RENESAS R8C3NT

Datasheet
R8C/3NT Group
RENESAS MCU
1.
R01DS0047EJ0100
Rev.1.00
Jan 25, 2011
Overview
1.1
Features
The R8C/3NT Group of single-chip MCUs incorporates the R8C CPU core, employing sophisticated instructions
for a high level of efficiency. With 1 Mbyte of address space, and it is capable of executing instructions at high
speed. In addition, the CPU core boasts a multiplier for high-speed operation processing.
Power consumption is low, and the supported operating modes allow additional power control. These MCUs are
designed to maximize EMI/EMS performance.
Integration of many peripheral functions, including multifunction timer and serial interface, reduces the number of
system components.
A sensor control unit is also integrated, enabling detection of the floating capacitance of the electrostatic capacitive
touch electrode.
The R8C/3NT Group has data flash (1 KB × 4 blocks) with the background operation (BGO) function.
1.1.1
Applications
Electronic household appliances, office equipment, audio equipment, consumer equipment, etc.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 1 of 55
R8C/3NT Group
1.1.2
1. Overview
Specifications
Tables 1.1 and 1.2 outline the Specifications for R8C/3NT Group.
Table 1.1
Item
CPU
Specifications for R8C/3NT Group (1)
Function
Central processing
unit
Memory
ROM, RAM,
Data flash
Power Supply Voltage detection
Voltage
circuit
Detection
I/O Ports
Programmable I/O
ports
Clock
Clock generation
circuits
Interrupts
Watchdog Timer
DTC (Data Transfer Controller)
Timer
Timer RA
Timer RB
Timer RC
Timer RE
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Specification
R8C CPU core
• Number of fundamental instructions: 89
• Minimum instruction execution time:
50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V)
200 ns (f(XIN) = 5 MHz, VCC = 1.8 to 5.5 V)
• Multiplier: 16 bits × 16 bits → 32 bits
• Multiply-accumulate instruction: 16 bits × 16 bits + 32 bits → 32 bits
• Operation mode: Single-chip mode (address space: 1 Mbyte)
Refer to Table 1.3 Product List for R8C/3NT Group
• Power-on reset
• Voltage detection 3 (detection level of voltage detection 0 and voltage
detection 1 selectable)
• Input-only: 1 pin
• CMOS I/O ports: 43, selectable pull-up resistor
• High current drive ports: 43
• 4 circuits: XIN clock oscillation circuit,
XCIN clock oscillation circuit (32 kHz),
High-speed on-chip oscillator (with frequency adjustment function),
Low-speed on-chip oscillator
• Oscillation stop detection: XIN clock oscillation stop detection function
• Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16
• Low power consumption modes:
Standard operating mode (high-speed clock, low-speed clock, high-speed
on-chip oscillator, low-speed on-chip oscillator), wait mode, stop mode
Real-time clock (timer RE)
• Interrupt Vectors: 69
• External: 9 sources (INT × 5, key input × 4)
• Priority levels: 7 levels
• 14 bits × 1 (with prescaler)
• Reset start selectable
• Low-speed on-chip oscillator for watchdog timer selectable
• 1 channel
• Activation sources: 32
• Transfer modes: 2 (normal mode, repeat mode)
8 bits × 1 (with 8-bit prescaler)
Timer mode (period timer), pulse output mode (output level inverted every
period), event counter mode, pulse width measurement mode, pulse period
measurement mode
8 bits × 1 (with 8-bit prescaler)
Timer mode (period timer), programmable waveform generation mode (PWM
output), programmable one-shot generation mode, programmable wait oneshot generation mode
16 bits × 1 (with 4 capture/compare registers)
Timer mode (input capture function, output compare function), PWM mode
(output 3 pins), PWM2 mode (PWM output pin)
8 bits × 1
Real-time clock mode (count seconds, minutes, hours, days of week), output
compare mode
Page 2 of 55
R8C/3NT Group
Table 1.2
1. Overview
Specifications for R8C/3NT Group (2)
Item
Serial
Interface
Function
UART0, UART1
UART2
Synchronous Serial
Communication Unit (SSU)
Specification
Clock synchronous serial I/O/UART × 2 channel
Clock synchronous serial I/O, UART
I2C bus
Sensor Control Unit
A/D Converter
4 circuits (shared with SSU)
Flash Memory
Operating Frequency/Supply
Voltage
Current consumption
Operating Ambient Temperature
Package
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
4 circuits (shared with I2C bus)
System CH × 3, electrostatic capacitive touch detection × 5
10-bit resolution × 12 channels, includes sample and hold function, with sweep
mode
• Programming and erasure voltage: VCC = 2.7 to 5.5 V
• Programming and erasure endurance: 10,000 times (data flash)
1,000 times (program ROM)
• Program security: ROM code protect, ID code check
• Debug functions: On-chip debug, on-board flash rewrite function
• Background operation (BGO) function (data flash)
f(XIN) = 20 MHz (VCC = 2.7 to 5.5 V)
f(XIN) = 5 MHz (VCC = 1.8 to 5.5 V)
Typ. 7.0 mA (VCC = 5.0 V, f(XIN) = 20 MHz)
Typ. 3.5 mA (VCC = 3.0 V, f(XIN) = 10 MHz)
Typ. 4.0 µA (VCC = 3.0 V, wait mode (f(XCIN) = 32 kHz))
Typ. 2.0 µA (VCC = 3.0 V, stop mode)
−20 to 85°C (N version)
48-pin WPP
Package code: SWBG0048LA-A
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R8C/3NT Group
1.2
1. Overview
Product List
Table 1.3 lists Product List for R8C/3NT Group. Figure 1.1 shows a Part Number, Memory Size, and Package of
R8C/3NT Group.
Table 1.3
Product List for R8C/3NT Group
Part No.
R5F213N7TNBX
R5F213N8TNBX
R5F213NATNBX
R5F213NCTNBX
ROM Capacity
Program ROM
Data flash
48 Kbytes
1 Kbyte × 4
64 Kbytes
1 Kbyte × 4
96 Kbytes
1 Kbyte × 4
128 Kbytes
1 Kbyte × 4
Current of Jan 2011
RAM
Capacity
4 Kbytes
6 Kbytes
8 Kbytes
10 Kbytes
Package Type
SWBG0048LA-A
SWBG0048LA-A
SWBG0048LA-A
SWBG0048LA-A
Remarks
N version
Part No. R 5 F 21 3N C T N BX
Package type:
BX: WPP (Resin-coated bottom)
Classification
N: Operating ambient temperature −20°C to 85°C
ROM capacity
7: 48 KB
8: 64 KB
A: 96 KB
C: 128 KB
R8C/3NT Group
R8C/3x Series
Memory type
F: Flash memory
Renesas MCU
Renesas semiconductor
Figure 1.1
Part Number, Memory Size, and Package of R8C/3NT Group
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
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R8C/3NT Group
1.3
1. Overview
Block Diagram
Figure 1.2 shows a Block Diagram.
I/O ports
8
8
8
6
Port P0
Port P1
Port P2
Port P3
5
1
8
Port P6
Port P4
Peripheral functions
Timers
Timer RA (8 bits × 1)
Timer RB (8 bits × 1)
Timer RC (16 bits × 1)
Timer RE (8 bits × 1)
UART or
clock synchronous serial I/O
(8 bits × 3)
System clock generation
circuit
I2C bus or SSU
(8 bits × 4)
XIN-XOUT
High-speed on-chip oscillator
Low-speed on-chip oscillator
XCIN-XCOUT
Sensor control unit
Low-speed on-chip oscillator
for watchdog timer
Watchdog timer
(14 bits)
Voltage detection circuit
A/D converter
(10 bits × 12 channels)
DTC
Memory
R8C CPU core
R0H
R1H
R0L
R1L
R2
R3
SB
ISP
INTB
A0
A1
FB
ROM (1)
USP
RAM (2)
PC
FLG
Multiplier
Notes:
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
Figure 1.2
Block Diagram
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
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R8C/3NT Group
1.4
1. Overview
Pin Assignment
Figure 1.3 shows Pin Assignment. Table 1.4 outlines the Pin Name Information by Pin Number.
TOP VIEW (Top View of Board)
*Solder Balls on Bottom Side
A2
A3
A4
A5
A6
A7
A
A7
A6
A5
A4
A3
A2
B1
B2
B3
B4
B5
B6
B7
B
B7
B6
B5
B4
B3
B2
B1
C1
C2
C3
C4
C5
C6
C7
C
C7
C6
C5
C4
C3
C2
C1
D1
D2
D3
D4
D5
D6
D7
D
D7
D6
D5
D4
D3
D2
D1
E1
E2
E3
E4
E5
E6
E7
E
E7
E6
E5
E4
E3
E2
E1
F1
F2
F3
F4
F5
F6
F7
F
F7
F6
F5
F4
F3
F2
F1
G1
G2
G3
G4
G5
G6
G7
G
G7
G6
G5
G4
G3
G2
G1
1
2
3
4
5
6
7
7
6
5
4
3
2
1
Figure 1.3
Pin
Number
1
2
3
4
A
5
B
C
D
WPP Solder Ball Side
Pin Assignment
Pin Name
Pin
Number
5
D
6
7
1
2
Pin Name
6
—
VREF/P4_2
P4_4(/XCOUT)
VSS/AVSS
P4_6/XIN
VCC/AVCC
7
P3_5(/TRCIOD/CLK2)/SSCK_0/SCL_0
1
P6_3(/TXD1)/SSCK_3/SCL_3
2
P6_1/SCS_3
6
3
7
6
P3_0(/TRAO/INT3)
P4_3(/XCIN)
P4_7/XOUT
P3_7(/RXD2/TXD2)/TRAO/SSO_0/SDA_0
3
P1_2/KI2/AN10(/TRCIOB)
7
P3_4(/TRCIOC/RXD2/TXD2)/SSI_0
4
P1_7/INT1(/TRAIO)
1
P0_0/AN7(/TRCIOA/TRCTRG)/CHxC
5
P6_5/INT4(/CLK2/CLK1/TRCIOB)/SSI_2
2
P6_4(/RXD1)/SSO_3/SDA_3
6
P6_7(/INT3/TRCIOD)/SSO_2/SDA_2
3
P6_2(/CLK1)/SSI_3
7
4
MODE
1
P2_0(/INT1/TRCIOB)
P0_7/AN0(/TRCIOC)/CH4
5
RESET
2
P1_1/KI1/AN9(/TRCIOA/TRCTRG)
6
P3_3/INT3(/TRCCLK/CTS2/RTS2)/SCS_0
3
P1_3/KI3/AN11/TRBO(/TRCIOC)
7
4
P1_6(/CLK0)/INT2
4
5
E
3
P1_0/KI0/AN8(/TRCIOD)
4
P1_5(/RXD0/TRAIO/INT1)
P2_1(/TRCIOC)
P2_3/SSI_1
5
1
2
F
P2_6
P2_5/SSO_1/SDA_1
P2_4/SSCK_1/SCL_1
P0_3/AN4(/CLK1/TRCIOB)/CH0
P0_4/AN3/TREO(/TRCIOB)/CH1
P2_2(/TRCIOD)/SCS_1
P0_5/AN2(/TRCIOB)/CH2
P0_6/AN1(/TRCIOD)/CH3
1
P2_7/SCS_2
P0_2/AN5/RXD1(/TRCIOA/TRCTRG)/CHxA
5
P4_5/INT0(/RXD2)/ADTRG
2
P0_1/AN6(/TXD1/TRCIOA/TRCTRG)/CHxB
6
3
P6_0(/TREO/INT2)
P1_4(/TXD0/TRCCLK)
7
P6_6/INT2(/TXD2/TRCIOC)/SSCK_2/SCL_2
P3_1(/TRBO)
4
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
G
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R8C/3NT Group
Table 1.4
1. Overview
Pin Name Information by Pin Number
Pin Number
48-pin WPP
Pin Assignment
A
1
2
3
4
5
6
7
1
Control Pin
(XCOUT)
VSS/AVSS
XIN
VCC/AVCC
SSCK_0
SSCK_3
SCL_0
SCL_3
SCS_3
P3_3
INT3
P2_7
P0_2
P0_1
(TRAO)
TRAO
(TRCIOC)
(TRCIOA/TRCTRG)
(TRCCLK)
(RXD2/TXD2)
(RXD2/TXD2)
SSO_0
SSI_0
SDA_0
(RXD1)
(CLK1)
SSO_3
SSI_3
SDA_3
AN7
CHxC
RXD1
(TXD1)
(TREO)
(TRCCLK)
(TXD0)
3
P1_0
KI0
(TRCIOD)
4
P1_5
P2_1
P2_3
(INT1)
(TRAIO)
(TRCIOC)
1
2
(INT2)
(TRCIOA/TRCTRG)
(TRCIOA/TRCTRG)
P6_0
P1_4
P2_6
P2_5
P2_4
P0_3
P0_4
P2_2
P0_5
P0_6
(CTS2/RTS2)
AN5
AN6
CHxA
CHxB
AN4
AN3
CH0
CH1
SCS_0
SCS_2
4
5
6
7
1
2
7
G
(CLK2)
(TXD1)
MODE
5
6
F
(TRCIOD)
7
RESET
SCU
P4_6
6
5
A/D
VREF
(INT3)
(XCIN)
XOUT
3
E
P4_2
P4_4
P3_0
P4_3
P4_7
P3_7
P3_4
P0_0
P6_4
P6_2
4
5
6
7
1
2
3
4
1
2
D
I/O Pin Functions for Peripheral Modules
Serial
Timer
SSU I2C bus
Interface
P6_1
3
C
Interrupt
P3_5
P6_3
2
B
Port
SSO_1
SSCK_1
(TRCIOB)
TREO(/TRCIOB)
SDA_1
SCL_1
(CLK1)
AN8
(RXD0)
SSI_1
(TRCIOD)
(TRCIOB)
(TRCIOD)
SCS_1
AN2
AN1
3
P1_2
KI2
4
P1_7
INT1
(TRAIO)
5
P6_5
INT4
(TRCIOB)
6
P6_7
(INT3)
(TRCIOD)
7
P2_0
P0_7
(INT1)
1
(TRCIOB)
(TRCIOC)
AN0
2
P1_1
KI1
(TRCIOA/TRCTRG)
AN9
3
P1_3
KI3
TRBO(/TRCIOC)
AN11
(TRCIOB)
AN10
(CLK1/CLK2)
4
P1_6
(INT2)
(CLK0)
P4_5
INT0
(RXD2)
6
P6_6
P3_1
INT2
(TRCIOC)
(TRBO)
SSI_2
SSO_2
5
7
CH2
CH3
(TXD2)
SDA_2
CH4
ADTRG
SSCK_2
SCL_2
Note:
1. Can be assigned to the pin in parentheses by a program.
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Jan 25, 2011
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R8C/3NT Group
1.5
1. Overview
Pin Functions
Tables 1.5 and 1.6 list Pin Functions.
Table 1.5
Pin Functions (1)
Item
Pin Name
Power supply input VCC, VSS
Analog power
supply input
Reset input
AVCC, AVSS
I/O Type
Description
—
Apply 1.8 to 5.5 V to the VCC pin.
Apply 0 V to the VSS pin.
—
Power supply for the A/D converter.
Connect a capacitor between AVCC and AVSS.
I
Input “L” on this pin resets the MCU.
MODE
XIN clock input
XIN clock output
RESET
MODE
XIN
XOUT
XCIN clock input
XCIN clock output
XCIN
XCOUT
I
O
INT interrupt input
Key input interrupt
INT0 to INT4
I
KI0 to KI3
TRAIO
TRAO
TRBO
TRCCLK
TRCTRG
TRCIOA, TRCIOB,
TRCIOC, TRCIOD
TREO
CLK0, CLK1, CLK2
RXD0, RXD1, RXD2
TXD0, TXD1, TXD2
I
Timer RA
Timer RB
Timer RC
Timer RE
Serial interface
I
I
I/O
Connect this pin to VCC via a resistor.
These pins are provided for XIN clock generation circuit I/O.
Connect a ceramic resonator or a crystal oscillator between
the XIN and XOUT pins. (1)
To use an external clock, input it to the XOUT pin and leave
the XIN pin open.
These pins are provided for XCIN clock generation circuit I/O.
Connect a crystal oscillator between the XCIN and XCOUT
pins. (1)
To use an external clock, input it to the XCIN pin and leave
the XCOUT pin open.
INT interrupt input pins.
Key input interrupt input pins.
I/O
O
O
I
I
I/O
Timer RA I/O pin.
Timer RA output pin.
Timer RB output pin.
External clock input pin.
External trigger input pin.
Timer RC I/O pins.
CTS2
O
I/O
I
O
I
Divided clock output pin.
Transfer clock I/O pins.
Serial data input pins.
Serial data output pins.
Transmission control input pin.
RTS2
O
Reception control output pin.
I: Input
O: Output
I/O: Input and output
Note:
1. Refer to the oscillator manufacturer for oscillation characteristics.
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Jan 25, 2011
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R8C/3NT Group
Table 1.6
1. Overview
Pin Functions (2)
Item
Pin Name
SSU
SSI_i
I2C bus
Reference voltage
input
A/D converter
Sensor control unit
I/O port
Input port
SCS_i
SSCK_i
SSO_i
SCL_i
SDA_i
VREF
I/O Type
Description
I/O
Data I/O pin.
I/O
Chip-select signal I/O pin.
I/O
I/O
I/O
I/O
I
AN0 to AN11
ADTRG
CHxA, CHxB, CHxC
CH0 to CH4
P0_0 to P0_7,
P1_0 to P1_7,
P2_0 to P2_7,
P3_0 to P3_1,
P3_3 to P3_5, P3_7,
P4_3 to P4_7,
P6_0 to P6_7
P4_2
I
I
I/O
I
I/O
I
Clock I/O pin.
Data I/O pin.
Clock I/O pin
Data I/O pin
Reference voltage input pin to A/D converter.
Analog input pins to A/D converter.
AD external trigger input pin.
Control pins for electrostatic capacitive touch detection
Electrostatic capacitive touch detection pins
CMOS I/O ports. Each port has an I/O select direction
register, allowing each pin in the port to be directed for input
or output individually.
Any port set to input can be set to use a pull-up resistor or not
by a program.
Input-only port.
i = 0 to 3
I: Input
O: Output
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
I/O: Input and output
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R8C/3NT Group
2.
2. Central Processing Unit (CPU)
Central Processing Unit (CPU)
Figure 2.1 shows the CPU Registers. The CPU contains 13 registers. R0, R1, R2, R3, A0, A1, and FB configure a
register bank. There are two sets of register bank.
b31
b15
R2
R3
b8b7
b0
R0H (high-order of R0) R0L (low-order of R0)
R1H (high-order of R1) R1L (low-order of R1)
Data registers (1)
R2
R3
A0
A1
FB
b19
b15
Address registers (1)
Frame base register (1)
b0
Interrupt table register
INTBL
INTBH
The 4 high order bits of INTB are INTBH and
the 16 low order bits of INTB are INTBL.
b19
b0
Program counter
PC
b15
b0
USP
User stack pointer
ISP
Interrupt stack pointer
SB
Static base register
b15
b0
FLG
b15
b8
IPL
b7
Flag register
b0
U I O B S Z D C
Carry flag
Debug flag
Zero flag
Sign flag
Register bank select flag
Overflow flag
Interrupt enable flag
Stack pointer select flag
Reserved bit
Processor interrupt priority level
Reserved bit
Note:
1. These registers comprise a register bank. There are two register banks.
Figure 2.1
CPU Registers
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Jan 25, 2011
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R8C/3NT Group
2.1
2. Central Processing Unit (CPU)
Data Registers (R0, R1, R2, and R3)
R0 is a 16-bit register for transfer, arithmetic, and logic operations. The same applies to R1 to R3. R0 can be split
into high-order bits (R0H) and low-order bits (R0L) to be used separately as 8-bit data registers. R1H and R1L are
analogous to R0H and R0L. R2 can be combined with R0 and used as a 32-bit data register (R2R0). R3R1 is
analogous to R2R0.
2.2
Address Registers (A0 and A1)
A0 is a 16-bit register for address register indirect addressing and address register relative addressing. It is also
used for transfer, arithmetic, and logic operations. A1 is analogous to A0. A1 can be combined with A0 and as a 32bit address register (A1A0).
2.3
Frame Base Register (FB)
FB is a 16-bit register for FB relative addressing.
2.4
Interrupt Table Register (INTB)
INTB is a 20-bit register that indicates the starting address of an interrupt vector table.
2.5
Program Counter (PC)
PC is 20 bits wide and indicates the address of the next instruction to be executed.
2.6
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP)
The stack pointers (SP), USP and ISP, are each 16 bits wide. The U flag of FLG is used to switch between
USP and ISP.
2.7
Static Base Register (SB)
SB is a 16-bit register for SB relative addressing.
2.8
Flag Register (FLG)
FLG is an 11-bit register indicating the CPU state.
2.8.1
Carry Flag (C)
The C flag retains carry, borrow, or shift-out bits that have been generated by the arithmetic and logic unit.
2.8.2
Debug Flag (D)
The D flag is for debugging only. Set it to 0.
2.8.3
Zero Flag (Z)
The Z flag is set to 1 when an arithmetic operation results in 0; otherwise to 0.
2.8.4
Sign Flag (S)
The S flag is set to 1 when an arithmetic operation results in a negative value; otherwise to 0.
2.8.5
Register Bank Select Flag (B)
Register bank 0 is selected when the B flag is 0. Register bank 1 is selected when this flag is set to 1.
2.8.6
Overflow Flag (O)
The O flag is set to 1 when an operation results in an overflow; otherwise to 0.
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R8C/3NT Group
2.8.7
2. Central Processing Unit (CPU)
Interrupt Enable Flag (I)
The I flag enables maskable interrupts.
Interrupts are disabled when the I flag is set to 0, and are enabled when the I flag is set to 1. The I flag is set to 0
when an interrupt request is acknowledged.
2.8.8
Stack Pointer Select Flag (U)
ISP is selected when the U flag is set to 0; USP is selected when the U flag is set to 1.
The U flag is set to 0 when a hardware interrupt request is acknowledged or the INT instruction of software
interrupt numbers 0 to 31 is executed.
2.8.9
Processor Interrupt Priority Level (IPL)
IPL is 3 bits wide and assigns processor interrupt priority levels from level 0 to level 7.
If a requested interrupt has higher priority than IPL, the interrupt is enabled.
2.8.10
Reserved Bit
If necessary, set to 0. When read, the content is undefined.
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R8C/3NT Group
3.
3. Memory
Memory
3.1
R8C/3NT Group
Figure 3.1 is a Memory Map of R8C/3NT Group. The R8C/3NT Group has a 1-Mbyte address space from
addresses 00000h to FFFFFh. The internal ROM (program ROM) is allocated lower addresses, beginning with
address 0FFFFh. For example, a 64-Kbyte internal ROM area is allocated addresses 04000h to 13FFFh.
The fixed interrupt vector table is allocated addresses 0FFDCh to 0FFFFh. The starting address of each interrupt
routine is stored here.
The internal ROM (data flash) is allocated addresses 03000h to 03FFFh.
The internal RAM is allocated higher addresses, beginning with address 00400h. For example, a 6-Kbyte internal
RAM area is allocated addresses 00400h to 01BFFh. The internal RAM is used not only for data storage but also as
a stack area when a subroutine is called or when an interrupt request is acknowledged.
Special function registers (SFRs) are allocated addresses 00000h to 002FFh and 02C00h to 02FFFh (the SFR areas
for the DTC and other modules). Peripheral function control registers are allocated here. All unallocated spaces
within the SFRs are reserved and cannot be accessed by users.
00000h
SFR
(Refer to 4. Special Function
Registers (SFRs))
002FFh
00400h
Internal RAM
0FFD8h
0XXXXh
Reserved area
02C00h
02FFFh
03000h
SFR (2)
(Refer to 4. Special Function
Registers (SFRs))
0FFDCh
Internal ROM
(data flash) (1)
03FFFh
0YYYYh
Internal ROM
(program ROM)
0FFFFh
0FFFFh
Undefined instruction
Overflow
BRK instruction
Address match
Single step
Watchdog timer, oscillation stop detection, voltage monitor
Address break
(Reserved)
Reset
Internal ROM
(program ROM)
ZZZZZh
FFFFFh
Notes:
1. The data flash indicates block A (1 Kbyte), block B (1 Kbyte), block C (1 Kbyte), and block D (1 Kbyte).
2. The SFR areas for the DTC and other modules are allocated to addresses 02C00h to 02FFFh.
3. The blank areas are reserved and cannot be accessed by users.
Part Number
Address ZZZZZh
Size
04000h
–
4 Kbytes
013FFh
04000h
13FFFh
6 Kbytes
01BFFh
96 Kbytes
04000h
1BFFFh
8 Kbytes
023FFh
128 Kbytes
04000h
23FFFh
10 Kbytes
02BFFh
Address 0YYYYh
R5F213N7TNBX
48 Kbytes
R5F213N8TNBX
64 Kbytes
R5F213NATNBX
R5F213NCTNBX
Figure 3.1
Internal RAM
Internal ROM
Size
Address 0XXXXh
Memory Map of R8C/3NT Group
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 13 of 55
R8C/3NT Group
4.
4. Special Function Registers (SFRs)
Special Function Registers (SFRs)
An SFR (special function register) is a control register for a peripheral function. Tables 4.1 to 4.14 list the special
function registers. Table 4.15 lists the ID Code Areas and Option Function Select Area.
Table 4.1
Address
0000h
0001h
0002h
0003h
0004h
0005h
0006h
0007h
0008h
0009h
000Ah
000Bh
000Ch
000Dh
000Eh
000Fh
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h
0018h
0019h
001Ah
001Bh
001Ch
001Dh
001Eh
001Fh
0020h
0021h
0022h
0023h
0024h
0025h
0026h
0027h
0028h
0029h
002Ah
002Bh
002Ch
002Dh
002Eh
002Fh
0030h
0031h
0032h
0033h
0034h
0035h
0036h
0037h
0038h
0039h
SFR Information (1) (1)
Register
Symbol
After Reset
Processor Mode Register 0
Processor Mode Register 1
System Clock Control Register 0
System Clock Control Register 1
Module Standby Control Register
System Clock Control Register 3
Protect Register
Reset Source Determination Register
Oscillation Stop Detection Register
Watchdog Timer Reset Register
Watchdog Timer Start Register
Watchdog Timer Control Register
PM0
PM1
CM0
CM1
MSTCR
CM3
PRCR
RSTFR
OCD
WDTR
WDTS
WDTC
00h
00h
00101000b
00100000b
00h
00h
00h
0XXXXXXXb (2)
00000100b
XXh
XXh
00111111b
High-Speed On-Chip Oscillator Control Register 7
FRA7
When shipping
Count Source Protection Mode Register
CSPR
00h
10000000b (3)
High-Speed On-Chip Oscillator Control Register 0
High-Speed On-Chip Oscillator Control Register 1
High-Speed On-Chip Oscillator Control Register 2
On-Chip Reference Voltage Control Register
FRA0
FRA1
FRA2
OCVREFCR
00h
When shipping
00h
00h
Clock Prescaler Reset Flag
High-Speed On-Chip Oscillator Control Register 4
High-Speed On-Chip Oscillator Control Register 5
High-Speed On-Chip Oscillator Control Register 6
CPSRF
FRA4
FRA5
FRA6
00h
When shipping
When shipping
When shipping
High-Speed On-Chip Oscillator Control Register 3
Voltage Monitor Circuit Control Register
Voltage Monitor Circuit Edge Select Register
FRA3
CMPA
VCAC
When shipping
00h
00h
Voltage Detect Register 1
Voltage Detect Register 2
VCA1
VCA2
00001000b
00h (4)
00100000b (5)
Voltage Detection 1 Level Select Register
VD1LS
00000111b
Voltage Monitor 0 Circuit Control Register
VW0C
Voltage Monitor 1 Circuit Control Register
VW1C
1100X010b (4)
1100X011b (5)
10001010b
X: Undefined
Notes:
1. The blank areas are reserved and cannot be accessed by users.
2. The CWR bit in the RSTFR register is set to 0 after power-on and voltage monitor 0 reset. Hardware reset, software reset, or watchdog timer
reset does not affect this bit.
3. The CSPROINI bit in the OFS register is set to 0.
4. The LVDAS bit in the OFS register is set to 1.
5. The LVDAS bit in the OFS register is set to 0.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 14 of 55
R8C/3NT Group
Table 4.2
Address
003Ah
003Bh
003Ch
003Dh
003Eh
003Fh
0040h
0041h
0042h
0043h
0044h
0045h
0046h
0047h
0048h
0049h
004Ah
004Bh
004Ch
004Dh
004Eh
004Fh
0050h
0051h
0052h
0053h
0054h
0055h
0056h
0057h
0058h
0059h
005Ah
005Bh
005Ch
005Dh
005Eh
005Fh
0060h
0061h
0062h
0063h
0064h
0065h
0066h
0067h
0068h
0069h
006Ah
006Bh
006Ch
006Dh
006Eh
006Fh
0070h
0071h
0072h
0073h
0074h
0075h
0076h
0077h
0078h
0079h
007Ah
007Bh
007Ch
007Dh
007Eh
007Fh
4. Special Function Registers (SFRs)
SFR Information (2) (1)
Register
Voltage Monitor 2 Circuit Control Register
VW2C
Symbol
After Reset
10000010b
Flash Memory Ready Interrupt Control Register
FMRDYIC
XXXXX000b
INT4 Interrupt Control Register
Timer RC Interrupt Control Register
INT4IC
TRCIC
XX00X000b
XXXXX000b
Timer RE Interrupt Control Register
UART2 Transmit Interrupt Control Register
UART2 Receive Interrupt Control Register
Key Input Interrupt Control Register
A/D Conversion Interrupt Control Register
SSU0 Interrupt Control Register/IIC0 bus Interrupt Control Register (2)
TREIC
S2TIC
S2RIC
KUPIC
ADIC
SSU0IC/IIC0IC
XXXXX000b
XXXXX000b
XXXXX000b
XXXXX000b
XXXXX000b
XXXXX000b
UART0 Transmit Interrupt Control Register
UART0 Receive Interrupt Control Register
UART1 Transmit Interrupt Control Register
UART1 Receive Interrupt Control Register
INT2 Interrupt Control Register
Timer RA Interrupt Control Register
S0TIC
S0RIC
S1TIC
S1RIC
INT2IC
TRAIC
XXXXX000b
XXXXX000b
XXXXX000b
XXXXX000b
XX00X000b
XXXXX000b
Timer RB Interrupt Control Register
INT1 Interrupt Control Register
INT3 Interrupt Control Register
TRBIC
INT1IC
INT3IC
XXXXX000b
XX00X000b
XX00X000b
INT0 Interrupt Control Register
INT0IC
XX00X000b
Sensor Control Unit Interrupt Control Register
SCUIC
XXXXX000b
Voltage Monitor 1 Interrupt Control Register
Voltage Monitor 2 Interrupt Control Register
VCMP1IC
VCMP2IC
XXXXX000b
XXXXX000b
SSU1 Interrupt Control Register/IIC1 bus Interrupt Control Register (2)
SSU2 Interrupt Control Register/IIC2 bus Interrupt Control Register (2)
SSU3 Interrupt Control Register/IIC3 bus Interrupt Control Register (2)
SSU1IC/IIC1IC
SSU2IC/IIC2IC
SSU3IC/IIC3IC
XXXXX000b
XXXXX000b
XXXXX000b
X: Undefined
Notes:
1. The blank areas are reserved and cannot be accessed by users.
2. Selectable by IIC0SEL, IIC1SEL, IIC2SEL, and IIC3SEL bits in the SSUIICSR register.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 15 of 55
R8C/3NT Group
Table 4.3
Address
0080h
0081h
0082h
0083h
0084h
0085h
0086h
0087h
0088h
0089h
008Ah
008Bh
008Ch
008Dh
008Eh
008Fh
0090h
0091h
0092h
0093h
0094h
0095h
0096h
0097h
0098h
0099h
009Ah
009Bh
009Ch
009Dh
009Eh
009Fh
00A0h
00A1h
00A2h
00A3h
00A4h
00A5h
00A6h
00A7h
00A8h
00A9h
00AAh
00ABh
00ACh
00ADh
00AEh
00AFh
00B0h
00B1h
00B2h
00B3h
00B4h
00B5h
00B6h
00B7h
00B8h
00B9h
00BAh
00BBh
00BCh
00BDh
00BEh
00BFh
4. Special Function Registers (SFRs)
SFR Information (3) (1)
DTC Activation Control Register
Register
Symbol
DTCTL
00h
After Reset
DTC Activation Enable Register 0
DTC Activation Enable Register 1
DTC Activation Enable Register 2
DTC Activation Enable Register 3
DTC Activation Enable Register 4
DTC Activation Enable Register 5
DTC Activation Enable Register 6
DTCEN0
DTCEN1
DTCEN2
DTCEN3
DTCEN4
DTCEN5
DTCEN6
00h
00h
00h
00h
00h
00h
00h
UART0 Transmit/Receive Mode Register
UART0 Bit Rate Register
UART0 Transmit Buffer Register
U0MR
U0BRG
U0TB
UART0 Transmit/Receive Control Register 0
UART0 Transmit/Receive Control Register 1
UART0 Receive Buffer Register
U0C0
U0C1
U0RB
UART2 Transmit/Receive Mode Register
UART2 Bit Rate Register
UART2 Transmit Buffer Register
U2MR
U2BRG
U2TB
UART2 Transmit/Receive Control Register 0
UART2 Transmit/Receive Control Register 1
UART2 Receive Buffer Register
U2C0
U2C1
U2RB
UART2 Digital Filter Function Select Register
URXDF
00h
XXh
XXh
XXh
00001000b
00000010b
XXh
XXh
00h
XXh
XXh
XXh
00001000b
00000010b
XXh
XXh
00h
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 16 of 55
R8C/3NT Group
Table 4.4
Address
00C0h
00C1h
00C2h
00C3h
00C4h
00C5h
00C6h
00C7h
00C8h
00C9h
00CAh
00CBh
00CCh
00CDh
00CEh
00CFh
00D0h
00D1h
00D2h
00D3h
00D4h
00D5h
00D6h
00D7h
00D8h
00D9h
00DAh
00DBh
00DCh
00DDh
00DEh
00DFh
00E0h
00E1h
00E2h
00E3h
00E4h
00E5h
00E6h
00E7h
00E8h
00E9h
00EAh
00EBh
00ECh
00EDh
00EEh
00EFh
00F0h
00F1h
00F2h
00F3h
00F4h
00F5h
00F6h
00F7h
00F8h
00F9h
00FAh
00FBh
00FCh
00FDh
00FEh
00FFh
4. Special Function Registers (SFRs)
SFR Information (4) (1)
Register
Symbol
After Reset
XXh
000000XXb
XXh
000000XXb
XXh
000000XXb
XXh
000000XXb
XXh
000000XXb
XXh
000000XXb
XXh
000000XXb
XXh
000000XXb
A/D Register 0
AD0
A/D Register 1
AD1
A/D Register 2
AD2
A/D Register 3
AD3
A/D Register 4
AD4
A/D Register 5
AD5
A/D Register 6
AD6
A/D Register 7
AD7
A/D Mode Register
A/D Input Select Register
A/D Control Register 0
A/D Control Register 1
ADMOD
ADINSEL
ADCON0
ADCON1
00h
11000000b
00h
00h
Port P0 Register
Port P1 Register
Port P0 Direction Register
Port P1 Direction Register
Port P2 Register
Port P3 Register
Port P2 Direction Register
Port P3 Direction Register
Port P4 Register
P0
P1
PD0
PD1
P2
P3
PD2
PD3
P4
XXh
XXh
00h
00h
XXh
XXh
00h
00h
XXh
Port P4 Direction Register
PD4
00h
Port P6 Register
P6
XXh
Port P6 Direction Register
PD6
00h
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 17 of 55
R8C/3NT Group
Table 4.5
Address
0100h
0101h
0102h
0103h
0104h
0105h
0106h
0107h
0108h
0109h
010Ah
010Bh
010Ch
010Dh
010Eh
010Fh
0110h
0111h
0112h
0113h
0114h
0115h
0116h
0117h
0118h
0119h
011Ah
011Bh
011Ch
011Dh
011Eh
011Fh
0120h
0121h
0122h
0123h
0124h
0125h
0126h
0127h
0128h
0129h
012Ah
012Bh
012Ch
012Dh
012Eh
012Fh
0130h
0131h
0132h
0133h
0134h
0135h
0136h
0137h
0138h
0139h
013Ah
013Bh
013Ch
013Dh
013Eh
013Fh
4. Special Function Registers (SFRs)
SFR Information (5) (1)
Timer RA Control Register
Timer RA I/O Control Register
Timer RA Mode Register
Timer RA Prescaler Register
Timer RA Register
Register
Symbol
TRACR
TRAIOC
TRAMR
TRAPRE
TRA
00h
00h
00h
FFh
FFh
After Reset
Timer RB Control Register
Timer RB One-Shot Control Register
Timer RB I/O Control Register
Timer RB Mode Register
Timer RB Prescaler Register
Timer RB Secondary Register
Timer RB Primary Register
TRBCR
TRBOCR
TRBIOC
TRBMR
TRBPRE
TRBSC
TRBPR
00h
00h
00h
00h
FFh
FFh
FFh
Timer RE Second Data Register / Counter Data Register
Timer RE Minute Data Register / Compare Data Register
Timer RE Hour Data Register
Timer RE Day of Week Data Register
Timer RE Control Register 1
Timer RE Control Register 2
Timer RE Count Source Select Register
TRESEC
TREMIN
TREHR
TREWK
TRECR1
TRECR2
TRECSR
00h
00h
00h
00h
00h
00h
00001000b
Timer RC Mode Register
Timer RC Control Register 1
Timer RC Interrupt Enable Register
Timer RC Status Register
Timer RC I/O Control Register 0
Timer RC I/O Control Register 1
Timer RC Counter
TRCMR
TRCCR1
TRCIER
TRCSR
TRCIOR0
TRCIOR1
TRC
Timer RC General Register A
TRCGRA
Timer RC General Register B
TRCGRB
Timer RC General Register C
TRCGRC
Timer RC General Register D
TRCGRD
Timer RC Control Register 2
Timer RC Digital Filter Function Select Register
Timer RC Output Master Enable Register
Timer RC Trigger Control Register
TRCCR2
TRCDF
TRCOER
TRCADCR
01001000b
00h
01110000b
01110000b
10001000b
10001000b
00h
00h
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
00011000b
00h
01111111b
00h
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 18 of 55
R8C/3NT Group
Table 4.6
Address
0140h
0141h
0142h
0143h
0144h
0145h
0146h
0147h
0148h
0149h
014Ah
014Bh
014Ch
014Dh
014Eh
014Fh
0150h
0151h
0152h
0153h
0154h
0155h
0156h
0157h
0158h
0159h
015Ah
015Bh
015Ch
015Dh
015Eh
015Fh
0160h
0161h
0162h
0163h
0164h
0165h
0166h
0167h
0168h
0169h
016Ah
016Bh
016Ch
016Dh
016Eh
016Fh
0170h
0171h
0172h
0173h
0174h
0175h
0176h
0177h
0178h
0179h
017Ah
017Bh
017Ch
017Dh
017Eh
017Fh
4. Special Function Registers (SFRs)
SFR Information (6) (1)
Register
Symbol
UART1 Transmit/Receive Mode Register
UART1 Bit Rate Register
UART1 Transmit Buffer Register
U1MR
U1BRG
U1TB
UART1 Transmit/Receive Control Register 0
UART1 Transmit/Receive Control Register 1
UART1 Receive Buffer Register
U1C0
U1C1
U1RB
After Reset
00h
XXh
XXh
XXh
00001000b
00000010b
XXh
XXh
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 19 of 55
R8C/3NT Group
Table 4.7
Address
0180h
0181h
0182h
0183h
0184h
0185h
0186h
0187h
0188h
0189h
018Ah
018Bh
018Ch
018Dh
018Eh
018Fh
0190h
0191h
0192h
0193h
0194h
0195h
0196h
0197h
0198h
0199h
019Ah
019Bh
019Ch
019Dh
019Eh
019Fh
01A0h
01A1h
01A2h
01A3h
01A4h
01A5h
01A6h
01A7h
01A8h
01A9h
01AAh
01ABh
01ACh
01ADh
01AEh
01AFh
01B0h
01B1h
01B2h
01B3h
01B4h
01B5h
01B6h
01B7h
01B8h
01B9h
01BAh
01BBh
01BCh
01BDh
01BEh
01BFh
4. Special Function Registers (SFRs)
SFR Information (7) (1)
Timer RA Pin Select Register
Timer RB/RC Pin Select Register
Timer RC Pin Select Register 0
Timer RC Pin Select Register 1
Register
Symbol
TRASR
TRBRCSR
TRCPSR0
TRCPSR1
00h
00h
00h
00h
After Reset
Timer Pin Select Register
TIMSR
00h
UART0 Pin Select Register
UART1 Pin Select Register
UART2 Pin Select Register 0
UART2 Pin Select Register 1
SSU/IIC Pin Select Register
Low-Voltage Signal Mode Control Register 1
INT Interrupt Input Pin Select Register
I/O Function Pin Select Register
Low-Voltage Signal Mode Control Register
I/O Function Pin Select Register 1
I/O Function Pin Select Register 2
SS0 Bit Counter Register
SS0 Transmit Data Register L / IIC_0 bus Transmit Data Register (2)
SS0 Transmit Data Register H (2)
SS0 Receive Data Register L / IIC_0 bus Receive Data Register (2)
SS0 Receive Data Register H (2)
SS0 Control Register H / IIC_0 bus Control Register 1 (2)
SS0 Control Register L / IIC_0 bus Control Register 2 (2)
SS0 Mode Register / IIC_0 bus Mode Register (2)
SS0 Enable Register / IIC_0 bus Interrupt Enable Register (2)
SS0 Status Register / IIC_0 bus Status Register (2)
SS0 Mode Register 2 / Slave Address Register (2)
U0SR
U1SR
U2SR0
U2SR1
SSUIICSR
LVMR1
INTSR
PINSR
LVMR
PINSR1
PINSR2
SS0BR
SS0TDR / IC0DRT
SS0TDRH
SS0RDR / IC0DRR
SS0RDRH
SS0CRH / IC0CR1
SS0CRL / IC0CR2
SS0MR / IC0MR
SS0ER / IC0IER
SS0SR / IC0SR
SS0MR2 / SAR
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
F8h
FFh
FFh
FFh
FFh
00h
01111101b
00010000b / 00011000b
00h
00h / 0000X000b
00h
Flash Memory Status Register
FST
10000X00b
Flash Memory Control Register 0
Flash Memory Control Register 1
Flash Memory Control Register 2
FMR0
FMR1
FMR2
00h
00h
00h
X: Undefined
Notes:
1. The blank areas are reserved and cannot be accessed by users.
2. Selectable by the IIC0SEL bit in the SSUIICSR register.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 20 of 55
R8C/3NT Group
Table 4.8
Address
01C0h
01C1h
01C2h
01C3h
01C4h
01C5h
01C6h
01C7h
01C8h
01C9h
01CAh
01CBh
01CCh
01CDh
01CEh
01CFh
01D0h
01D1h
01D2h
01D3h
01D4h
01D5h
01D6h
01D7h
01D8h
01D9h
01DAh
01DBh
01DCh
01DDh
01DEh
01DFh
01E0h
01E1h
01E2h
01E3h
01E4h
01E5h
01E6h
01E7h
01E8h
01E9h
01EAh
01EBh
01ECh
01EDh
01EEh
01EFh
01F0h
01F1h
01F2h
01F3h
01F4h
01F5h
01F6h
01F7h
01F8h
01F9h
01FAh
01FBh
01FCh
01FDh
01FEh
01FFh
4. Special Function Registers (SFRs)
SFR Information (8) (1)
Address Match Interrupt Register 0
Register
Symbol
RMAD0
Address Match Interrupt Enable Register 0
Address Match Interrupt Register 1
AIER0
RMAD1
Address Match Interrupt Enable Register 1
AIER1
After Reset
XXh
XXh
0000XXXXb
00h
XXh
XXh
0000XXXXb
00h
Pull-Up Control Register 0
Pull-Up Control Register 1
PUR0
PUR1
00h
00h
Port P1 Drive Capacity Control Register
Port P2 Drive Capacity Control Register
Drive Capacity Control Register 0
Drive Capacity Control Register 1
P1DRR
P2DRR
DRR0
DRR1
00h
00h
00h
00h
Input Threshold Control Register 0
Input Threshold Control Register 1
VLT0
VLT1
00h
00h
External Input Enable Register 0
External Input Enable Register 1
INT Input Filter Select Register 0
INT Input Filter Select Register 1
Key Input Enable Register 0
INTEN
INTEN1
INTF
INTF1
KIEN
00h
00h
00h
00h
00h
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 21 of 55
R8C/3NT Group
Table 4.9
Address
0200h
0201h
0202h
0203h
0204h
0205h
0206h
0207h
0208h
0209h
020Ah
020Bh
020Ch
020Dh
020Eh
020Fh
0210h
0211h
0212h
0213h
0214h
0215h
0216h
0217h
0218h
0219h
021Ah
021Bh
021Ch
021Dh
021Eh
021Fh
0220h
0221h
0222h
0223h
0224h
0225h
0226h
0227h
0228h
0229h
022Ah
022Bh
022Ch
022Dh
022Eh
022Fh
0230h
0231h
0232h
0233h
0234h
0235h
0236h
0237h
0238h
0239h
023Ah
023Bh
023Ch
023Dh
023Eh
023Fh
4. Special Function Registers (SFRs)
SFR Information (9) (1)
Register
Symbol
After Reset
SS1 Bit Counter Register
SS1 Transmit Data Register L / IIC_1 bus Transmit Data Register (2)
SS1 Transmit Data Register H (2)
SS1 Receive Data Register L / IIC_1 bus Receive Data Register (2)
SS1 Receive Data Register H (2)
SS1 Control Register H / IIC_1 bus Control Register 1 (2)
SS1 Control Register L / IIC_1 bus Control Register 2 (2)
SS1 Mode Register / IIC1 bus Mode Register (2)
SS1 Enable Register / IIC_1 bus Interrupt Enable Register (2)
SS1 Status Register / IIC_1 bus Status Register (2)
SS1 Mode Register 2 / Slave Address Register (2)
SS1BR
SS1TDR/IC1DRT
SS1TDRH
SS1RDR/IC1DRR
SS1RDRH
SS1CRH/IC1CR1
SS1CRL/IC1CR2
SS1MR/IC1MR
SS1ER/IC1IER
SS1SR/IC1SR
SS1MR2/SAR1
F8h
FFh
FFh
FFh
FFh
00h
01111101b
00010000b/00011000b
00h
00h/0000X000b
00h
SS2 Bit Counter Register
SS2 Transmit Data Register L / IIC_2 bus Transmit Data Register (3)
SS2 Transmit Data Register H (3)
SS2 Receive Data Register L / IIC_2 bus Receive Data Register (3)
SS2 Receive Data Register H (3)
SS2 Control Register H / IIC_2 bus Control Register 1 (3)
SS2 Control Register L / IIC_2 bus Control Register 2 (3)
SS2 Mode Register / IIC_2 bus Mode Register (3)
SS2 Enable Register / IIC_2 bus Interrupt Enable Register (3)
SS2 Status Register / IIC_2 bus Status Register (3)
SS2 Mode Register 2 / Slave Address Register (3)
SS2BR
SS2TDR/IC2DRT
SS2TDRH
SS2RDR/IC2DRR
SS2RDRH
SS2CRH/IC2CR1
SS2CRL/IC2CR2
SS2MR/IC2MR
SS2ER/IC2IER
SS2SR/IC2SR
SS2MR2/SAR2
F8h
FFh
FFh
FFh
FFh
00h
01111101b
00010000b/00011000b
00h
00h/0000X000b
00h
X: Undefined
Notes:
1. The blank areas are reserved and cannot be accessed by users.
2. Selectable by the IIC1SEL bit in the SSUIICSR register.
3. Selectable by the IIC2SEL bit in the SSUIICSR register.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 22 of 55
R8C/3NT Group
Table 4.10
Address
0240h
0241h
0242h
0243h
0244h
0245h
0246h
0247h
0248h
0249h
024Ah
024Bh
024Ch
024Dh
024Eh
024Fh
0250h
0251h
0252h
0253h
0254h
0255h
0256h
0257h
0258h
0259h
025Ah
025Bh
025Ch
025Dh
025Eh
025Fh
0260h
0261h
0262h
0263h
0264h
0265h
0266h
0267h
0268h
0269h
026Ah
026Bh
026Ch
026Dh
026Eh
026Fh
0270h
0271h
0272h
0273h
0274h
0275h
0276h
0277h
0278h
0279h
027Ah
027Bh
027Ch
027Dh
027Eh
027Fh
4. Special Function Registers (SFRs)
SFR Information (10) (1)
Register
SS3 Bit Counter Register
SS3 Transmit Data Register L / IIC_3 bus Transmit Data Register (2)
SS3 Transmit Data Register H (2)
SS3 Receive Data Register L / IIC_3 bus Receive Data Register (2)
SS3 Receive Data Register H (2)
SS3 Control Register H / IIC_3 bus Control Register 1 (2)
SS3 Control Register L / IIC_3 bus Control Register 2 (2)
SS3 Mode Register / IIC_3 bus Mode Register (2)
SS3 Enable Register / IIC_3 bus Interrupt Enable Register (2)
SS3 Status Register / IIC_3 bus Status Register (2)
SS3 Mode Register 2 / Slave Address Register (2)
Symbol
SS3BR
SS3TDR/IC3DRT
SS3TDRH
SS3RDR/IC3DRR
SS3RDRH
SS3CRH/IC3CR1
SS3CRL/IC3CR2
SS3MR/IC3MR
SS3ER/IC3IER
SS3SR/IC3SR
SS3MR2/SAR3
After Reset
F8h
FFh
FFh
FFh
FFh
00h
01111101b
00010000b/00011000b
00h
00h/0000X000b
00h
X: Undefined
Notes:
1. The blank areas are reserved and cannot be accessed by users.
2. Selectable by the IIC3SEL bit in the SSUIICSR register.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 23 of 55
R8C/3NT Group
Table 4.11
Address
02C0h
02C1h
02C2h
02C3h
02C4h
02C5h
02C6h
02C7h
02C8h
02C9h
02CAh
02CBh
02CCh
02CDh
02CEh
02CFh
02D0h
02D1h
02D2h
02D3h
02D4h
02D5h
02D6h
02D7h
02D8h
02D9h
02DAh
02DBh
02DCh
02DDh
02DEh
02DFh
:
2C00h
2C01h
2C02h
2C03h
2C04h
2C05h
2C06h
2C07h
2C08h
2C09h
2C0Ah
:
:
2C3Ah
2C3Bh
2C3Ch
2C3Dh
2C3Eh
2C3Fh
2C40h
2C41h
2C42h
2C43h
2C44h
2C45h
2C46h
2C47h
2C48h
2C49h
2C4Ah
2C4Bh
2C4Ch
2C4Dh
2C4Eh
2C4Fh
4. Special Function Registers (SFRs)
SFR Information (9) (1)
Register
SCU Control Register 0
SCU Mode Register
SCU Timing Control Register 0
SCU Timing Control Register 1
SCU Timing Control Register 2
SCU Timing Control Register 3
SCU Channel Control Register
SCU Channel Control Counter
SCU Flag Register
SCU Status Counter
SCU Secondary Counter Set Register
SCU Secondary Counter
Symbol
SCUCR0
SCUMR
SCTCR0
SCTCR1
SCTCR2
SCTCR3
SCHCR
SCUCHC
SCUFR
SCUSTC
SCSCSR
SCUSCC
After Reset
00h
00h
00000011b
00000001b
00010000b
00h
00h
00h
00h
00h
00000111b
00000111b
SCU Destination Address Register
SCUDAR
SCU Data Buffer Register
SCUDBR
SCU Primary Counter
SCUPRC
00h
00001100b
00h
00h
00h
00h
Touch Sensor Input Enable Register 0
TSIER0
00h
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
XXh
XXh
XXh
XXh
XXh
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Transfer Vector Area
DTC Control Data 0
DTCD0
DTC Control Data 1
DTCD1
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 24 of 55
R8C/3NT Group
Table 4.12
Address
2C50h
2C51h
2C52h
2C53h
2C54h
2C55h
2C56h
2C57h
2C58h
2C59h
2C5Ah
2C5Bh
2C5Ch
2C5Dh
2C5Eh
2C5Fh
2C60h
2C61h
2C62h
2C63h
2C64h
2C65h
2C66h
2C67h
2C68h
2C69h
2C6Ah
2C6Bh
2C6Ch
2C6Dh
2C6Eh
2C6Fh
2C70h
2C71h
2C72h
2C73h
2C74h
2C75h
2C76h
2C77h
2C78h
2C79h
2C7Ah
2C7Bh
2C7Ch
2C7Dh
2C7Eh
2C7Fh
2C80h
2C81h
2C82h
2C83h
2C84h
2C85h
2C86h
2C87h
2C88h
2C89h
2C8Ah
2C8Bh
2C8Ch
2C8Dh
2C8Eh
2C8Fh
4. Special Function Registers (SFRs)
SFR Information (10) (1)
DTC Control Data 2
Register
Symbol
DTCD2
DTC Control Data 3
DTCD3
DTC Control Data 4
DTCD4
DTC Control Data 5
DTCD5
DTC Control Data 6
DTCD6
DTC Control Data 7
DTCD7
DTC Control Data 8
DTCD8
DTC Control Data 9
DTCD9
After Reset
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 25 of 55
R8C/3NT Group
Table 4.13
Address
2C90h
2C91h
2C92h
2C93h
2C94h
2C95h
2C96h
2C97h
2C98h
2C99h
2C9Ah
2C9Bh
2C9Ch
2C9Dh
2C9Eh
2C9Fh
2CA0h
2CA1h
2CA2h
2CA3h
2CA4h
2CA5h
2CA6h
2CA7h
2CA8h
2CA9h
2CAAh
2CABh
2CACh
2CADh
2CAEh
2CAFh
2CB0h
2CB1h
2CB2h
2CB3h
2CB4h
2CB5h
2CB6h
2CB7h
2CB8h
2CB9h
2CBAh
2CBBh
2CBCh
2CBDh
2CBEh
2CBFh
2CC0h
2CC1h
2CC2h
2CC3h
2CC4h
2CC5h
2CC6h
2CC7h
2CC8h
2CC9h
2CCAh
2CCBh
2CCCh
2CCDh
2CCEh
2CCFh
4. Special Function Registers (SFRs)
SFR Information (11) (1)
DTC Control Data 10
Register
Symbol
DTCD10
DTC Control Data 11
DTCD11
DTC Control Data 12
DTCD12
DTC Control Data 13
DTCD13
DTC Control Data 14
DTCD14
DTC Control Data 15
DTCD15
DTC Control Data 16
DTCD16
DTC Control Data 17
DTCD17
After Reset
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 26 of 55
R8C/3NT Group
Table 4.14
Address
2CD0h
2CD1h
2CD2h
2CD3h
2CD4h
2CD5h
2CD6h
2CD7h
2CD8h
2CD9h
2CDAh
2CDBh
2CDCh
2CDDh
2CDEh
2CDFh
2CE0h
2CE1h
2CE2h
2CE3h
2CE4h
2CE5h
2CE6h
2CE7h
2CE8h
2CE9h
2CEAh
2CEBh
2CECh
2CEDh
2CEEh
2CEFh
2CF0h
2CF1h
2CF2h
2CF3h
2CF4h
2CF5h
2CF6h
2CF7h
2CF8h
2CF9h
2CFAh
2CFBh
2CFCh
2CFDh
2CFEh
2CFFh
2D00h
:
2FFFh
4. Special Function Registers (SFRs)
SFR Information (12) (1)
DTC Control Data 18
Register
Symbol
DTCD18
DTC Control Data 19
DTCD19
DTC Control Data 20
DTCD20
DTC Control Data 21
DTCD21
DTC Control Data 22
DTCD22
DTC Control Data 23
DTCD23
After Reset
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
XXh
X: Undefined
Note:
1. The blank areas are reserved and cannot be accessed by users.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 27 of 55
R8C/3NT Group
4. Special Function Registers (SFRs)
Table 4.15
ID Code Areas and Option Function Select Area
Address
:
FFDBh
:
FFDFh
:
FFE3h
:
FFEBh
:
FFEFh
:
FFF3h
:
FFF7h
:
FFFBh
:
FFFFh
Area Name
Option Function Select Register 2
Symbol
OFS2
After Reset
(Note 1)
ID1
(Note 2)
ID2
(Note 2)
ID3
(Note 2)
ID4
(Note 2)
ID5
(Note 2)
ID6
(Note 2)
ID7
(Note 2)
Option Function Select Register
OFS
(Note 1)
Notes:
1. The option function select area is allocated in the flash memory, not in the SFRs. Set appropriate values as ROM data by a program.
Do not write additions to the option function select area. If the block including the option function select area is erased, the option function select
area is set to FFh.
When blank products are shipped, the option function select area is set to FFh. It is set to the written value after written by the user.
When factory-programming products are shipped, the value of the option function select area is the value programmed by the user.
2. The ID code areas are allocated in the flash memory, not in the SFRs. Set appropriate values as ROM data by a program.
Do not write additions to the ID code areas. If the block including the ID code areas is erased, the ID code areas are set to FFh.
When blank products are shipped, the ID code areas are set to FFh. They are set to the written value after written by the user.
When factory-programming products are shipped, the value of the ID code areas is the value programmed by the user.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 28 of 55
R8C/3NT Group
5.
5. Electrical Characteristics
Electrical Characteristics
Table 5.1
Symbol
VCC/AVCC
VI
VO
Pd
Topr
Tstg
Absolute Maximum Ratings
Parameter
Supply voltage
Input voltage
Output voltage
Power dissipation
Operating ambient temperature
Storage temperature
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Condition
−20°C ≤ Topr ≤ 85°C
Rated Value
−0.3 to 6.5
−0.3 to VCC + 0.3
−0.3 to VCC + 0.3
500
−20 to 85 (N version)
−65 to 150
Unit
V
V
V
mW
°C
°C
Page 29 of 55
R8C/3NT Group
Table 5.2
5. Electrical Characteristics
Recommended Operating Conditions (1)
Symbol
Parameter
Conditions
VCC/AVCC Supply voltage
VSS/AVSS Supply voltage
Input “H” voltage Other than CMOS input
VIH
CMOS Input level Input level selection:
input
switching 0.35 VCC
function
(I/O port)
Input level selection:
0.5 VCC
4.0 V ≤ VCC ≤ 5.5 V
2.7 V ≤ VCC < 4.0 V
1.8 V ≤ VCC < 2.7 V
4.0 V ≤ VCC ≤ 5.5 V
2.7 V ≤ VCC < 4.0 V
1.8 V ≤ VCC < 2.7 V
Input level selection: 4.0 V ≤ VCC ≤ 5.5 V
0.7 VCC
2.7 V ≤ VCC < 4.0 V
1.8 V ≤ VCC < 2.7 V
External clock input (XOUT)
Input “L” voltage Other than CMOS input
VIL
CMOS Input level Input level selection: 4.0 V ≤ VCC ≤ 5.5 V
input
switching 0.35 VCC
2.7 V ≤ VCC < 4.0 V
function
1.8 V ≤ VCC < 2.7 V
(I/O port)
Input level selection: 4.0 V ≤ VCC ≤ 5.5 V
0.5 VCC
2.7 V ≤ VCC < 4.0 V
1.8 V ≤ VCC < 2.7 V
Input level selection: 4.0 V ≤ VCC ≤ 5.5 V
0.7 VCC
2.7 V ≤ VCC < 4.0 V
1.8 V ≤ VCC < 2.7 V
External clock input (XOUT)
Peak sum output “H”
Sum of all pins IOH(peak)
IOH(sum)
current
Average sum output “H” Sum of all pins IOH(avg)
IOH(sum)
current
Peak output “H” current
Drive capacity Low
IOH(peak)
Drive capacity High
Average output “H”
Drive capacity Low
IOH(avg)
current
Drive capacity High
Peak sum output “L”
Sum of all pins IOL(peak)
IOL(sum)
current
Average sum output “L”
Sum of all pins IOL(avg)
IOL(sum)
current
Peak output “L” current
Drive capacity Low
IOL(peak)
Drive capacity High
Average output “L”
Drive capacity Low
IOL(avg)
current
Drive capacity High
XIN clock input oscillation frequency
2.7 V ≤ VCC ≤ 5.5 V
f(XIN)
1.8 V ≤ VCC < 2.7 V
XCIN clock input oscillation frequency
1.8 V ≤ VCC ≤ 5.5 V
f(XCIN)
2.7 V ≤ VCC ≤ 5.5 V
fOCO40M When used as the count source for timer RC (3)
fOCO-F
fOCO-F frequency
—
System clock frequency
f(BCLK)
CPU clock frequency
Min.
1.8
—
0.8 VCC
0.5 VCC
0.55 VCC
0.65 VCC
0.65 VCC
0.7 VCC
0.8 VCC
0.85 VCC
0.85 VCC
0.85 VCC
1.2
0
0
0
0
0
0
0
0
0
0
0
—
Standard
Typ.
—
0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Max.
5.5
—
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
0.2 VCC
0.2 VCC
0.2 VCC
0.2 VCC
0.4 VCC
0.3 VCC
0.2 VCC
0.55 VCC
0.45 VCC
0.35 VCC
0.4
−160
—
—
−80
mA
—
—
—
—
—
—
—
—
—
—
−10
160
mA
mA
mA
mA
mA
—
—
80
mA
—
—
—
—
—
—
—
32
—
—
—
—
—
—
32.768
—
10
40
5
20
20
5
50
40
mA
mA
mA
mA
MHz
MHz
kHz
MHz
—
—
—
—
—
—
—
—
—
—
—
—
20
5
20
5
20
5
MHz
MHz
MHz
MHz
MHz
MHz
2.7 V ≤ VCC ≤ 5.5 V
1.8 V ≤ VCC < 2.7 V
2.7 V ≤ VCC ≤ 5.5 V
1.8 V ≤ VCC < 2.7 V
2.7 V ≤ VCC ≤ 5.5 V
1.8 V ≤ VCC < 2.7 V
−40
−5
−20
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mA
Notes:
1. VCC = 1.8 to 5.5 V and Topr = −20 to 85 °C (N version), unless otherwise specified.
2. The average output current indicates the average value of current measured during 100 ms.
3. fOCO40M can be used as the count source for timer RC in the range of VCC = 2.7 to 5.5 V.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 30 of 55
R8C/3NT Group
5. Electrical Characteristics
P0
P1
P2
P3
P4
P6
Figure 5.1
10 pF
Ports P0 to P4, P6 Timing Measurement Circuit
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 31 of 55
R8C/3NT Group
Table 5.3
Symbol
—
—
5. Electrical Characteristics
A/D Converter Characteristics
Parameter
Resolution
Absolute accuracy
Conditions
10-bit mode
Vref = AVCC
Vref = AVCC = 5.0 V
LSB
—
—
±5
LSB
—
—
±5
LSB
—
—
±2
LSB
—
—
±2
LSB
—
—
±2
LSB
—
—
±2
LSB
4.0 V ≤ Vref = AVCC ≤ 5.5 V (2)
2
—
20
MHz
3.2 V ≤ Vref = AVCC ≤ 5.5 V (2)
2
—
16
MHz
2.7 V ≤ Vref = AVCC ≤ 5.5 V (2)
2
—
10
MHz
2.2 V ≤ Vref = AVCC ≤ 5.5 V
2
—
5
MHz
Vref = AVCC = 5.0 V, φAD = 20 MHz
Vref = AVCC = 5.0 V, φAD = 20 MHz
φAD = 20 MHz
2.2
2.2
0.8
3
—
—
—
—
—
—
kΩ
µs
µs
µs
VCC = 5.0 V, XIN = f1 = φAD = 20 MHz
—
2.2
0
45
—
—
—
AVCC
Vref
µA
1.19
1.34
1.49
V
Vref = AVCC = 5.0 V
Vref = AVCC = 3.3 V
Vref = AVCC = 3.0 V
Vref = AVCC = 2.2 V
—
tCONV
tSAMP
IVref
Vref
VIA
OCVREF
Tolerance level impedance
Conversion time
10-bit mode
8-bit mode
Sampling time
Vref current
Reference voltage
Analog input voltage (3)
On-chip reference voltage
Bit
LSB
±5
Vref = AVCC = 2.2 V
A/D conversion clock
Unit
—
Vref = AVCC = 3.0 V
φAD
Standard
Typ.
Max.
—
10
—
±3
—
Vref = AVCC = 3.3 V
8-bit mode
AN0 to AN7 input,
AN8 to AN11 input
AN0 to AN7 input,
AN8 to AN11 input
AN0 to AN7 input,
AN8 to AN11 input
AN0 to AN7 input,
AN8 to AN11 input
Min.
—
—
2 MHz ≤ φAD ≤ 4 MHz
AN0 to AN7 input,
AN8 to AN11 input
AN0 to AN7 input,
AN8 to AN11 input
AN0 to AN7 input,
AN8 to AN11 input
AN0 to AN7 input,
AN8 to AN11 input
(2)
V
V
Notes:
1. VCC/AVCC = Vref = 2.2 to 5.5 V, VSS = 0 V, and Topr = −20 to 85 °C (N version), unless otherwise specified.
2. The A/D conversion result will be undefined in wait mode, stop mode, when the flash memory stops, and in low-currentconsumption mode. Do not perform A/D conversion in these states or transition to these states during A/D conversion.
3. When the analog input voltage is over the reference voltage, the A/D conversion result will be 3FFh in 10-bit mode and FFh in
8-bit mode.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 32 of 55
R8C/3NT Group
Table 5.4
Symbol
—
—
—
td(SR-SUS)
—
—
td(CMDRST
-READY)
—
—
—
—
5. Electrical Characteristics
Flash Memory (Program ROM) Electrical Characteristics
Parameter
Conditions
Program/erase endurance (2)
Byte program time
Block erase time
Time delay from suspend request until
suspend
Interval from erase start/restart until
following suspend request
Time from suspend until erase restart
1,000 (3)
—
—
—
Time from when command is forcibly
stopped until reading is enabled
Program, erase voltage
Read voltage
Program, erase temperature
Data hold time (7)
Min.
Ambient temperature = 55 °C
Standard
Typ.
—
80
0.3
—
0
—
—
—
−
−
2.7
1.8
0
20
—
—
—
—
Max.
—
TBD
TBD
5 + CPU clock
× 3 cycles
—
30 + CPU clock
× 1 cycle
30 + CPU clock
× 1 cycle
5.5
5.5
60
—
Unit
times
µs
s
ms
µs
µs
µs
V
V
°C
year
Notes:
1. VCC = 2.7 to 5.5 V and Topr = 0 to 60 °C, unless otherwise specified.
2. Definition of programming/erasure endurance
The programming and erasure endurance is defined on a per-block basis.
If the programming and erasure endurance is n (n = 1,000), each block can be erased n times. For example, if 1,024 1-byte
writes are performed to different addresses in block A, a 1 Kbyte block, and then the block is erased, the
programming/erasure endurance still stands at one. However, the same address must not be programmed more than once
per erase operation (overwriting prohibited).
3. Endurance to guarantee all electrical characteristics after program and erase. (1 to Min. value can be guaranteed.)
4. In a system that executes multiple programming operations, the actual erasure count can be reduced by writing to sequential
addresses in turn so that as much of the block as possible is used up before performing an erase operation. For example,
when programming groups of 16 bytes, the effective number of rewrites can be minimized by programming up to 128 groups
before erasing them all in one operation. It is also advisable to retain data on the erasure endurance of each block and limit
the number of erase operations to a certain number.
5. If an error occurs during block erase, attempt to execute the clear status register command, then execute the block erase
command at least three times until the erase error does not occur.
6. Customers desiring program/erase failure rate information should contact their Renesas technical support representative.
7. The data hold time includes time that the power supply is off or the clock is not supplied.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 33 of 55
R8C/3NT Group
Table 5.5
Symbol
—
—
—
—
—
td(SR-SUS)
—
—
td(CMDRST
-READY)
—
—
—
—
5. Electrical Characteristics
Flash Memory (Data flash Block A to Block D) Electrical Characteristics
Parameter
Conditions
Program/erase endurance (2)
Byte program time
(program/erase endurance ≤ 1,000 times)
Byte program time
(program/erase endurance > 1,000 times)
Block erase time
(program/erase endurance ≤ 1,000 times)
Block erase time
(program/erase endurance > 1,000 times)
Time delay from suspend request until
suspend
Interval from erase start/restart until
following suspend request
Time from suspend until erase restart
Max.
—
times
160
TBD
µs
—
300
TBD
µs
—
0.2
1
s
—
0.3
1
s
—
—
ms
0
—
5 + CPU clock
× 3 cycles
—
—
—
µs
−
−
2.7
1.8
−20
20
—
—
—
—
30 + CPU clock
× 1 cycle
30 + CPU clock
× 1 cycle
5.5
5.5
85
—
10,000 (3)
—
Time from when command is forcibly
stopped until reading is enabled
Program, erase voltage
Read voltage
Program, erase temperature
Data hold time (7)
Standard
Typ.
—
Min.
Ambient temperature = 55 °C
Unit
µs
µs
V
V
°C
year
Notes:
1. VCC = 2.7 to 5.5 V and Topr = −20 to 85 °C (N version), unless otherwise specified.
2. Definition of programming/erasure endurance
The programming and erasure endurance is defined on a per-block basis.
If the programming and erasure endurance is n (n = 10,000), each block can be erased n times. For example, if 1,024 1-byte
writes are performed to different addresses in block A, a 1 Kbyte block, and then the block is erased, the
programming/erasure endurance still stands at one. However, the same address must not be programmed more than once
per erase operation (overwriting prohibited).
3. Endurance to guarantee all electrical characteristics after program and erase. (1 to Min. value can be guaranteed.)
4. In a system that executes multiple programming operations, the actual erasure count can be reduced by writing to sequential
addresses in turn so that as much of the block as possible is used up before performing an erase operation. For example,
when programming groups of 16 bytes, the effective number of rewrites can be minimized by programming up to 128 groups
before erasing them all in one operation. In addition, averaging the erasure endurance between blocks A to D can further
reduce the actual erasure endurance. It is also advisable to retain data on the erasure endurance of each block and limit the
number of erase operations to a certain number.
5. If an error occurs during block erase, attempt to execute the clear status register command, then execute the block erase
command at least three times until the erase error does not occur.
6. Customers desiring program/erase failure rate information should contact their Renesas technical support representative.
7. The data hold time includes time that the power supply is off or the clock is not supplied.
Suspend request
(FMR21 bit)
FST7 bit
FST6 bit
Fixed time
Clock-dependent
time
Access restart
td(SR-SUS)
FST6, FST7: Bit in FST register
FMR21: Bit in FMR2 register
Figure 5.2
Time delay until Suspend
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 34 of 55
R8C/3NT Group
Table 5.6
5. Electrical Characteristics
Voltage Detection 0 Circuit Electrical Characteristics
Voltage detection level Vdet0_0 (2)
Min.
TBD
Standard
Typ.
1.90
Max.
TBD
Voltage detection level Vdet0_1 (2)
TBD
2.35
TBD
V
Voltage detection level Vdet0_2 (2)
TBD
2.85
TBD
V
(2)
TBD
3.80
TBD
V
—
6
TBD
µs
—
—
1.5
—
—
TBD
µA
Symbol
Vdet0
Parameter
Voltage detection level Vdet0_3
Condition
—
Voltage detection 0 circuit response time
—
td(E-A)
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts (3)
(4)
At the falling of VCC from
5.0 V to (Vdet0_0 − 0.1) V
VCA25 = 1, VCC = 5.0 V
Unit
V
µs
Notes:
1. The measurement condition is VCC = 1.8 to 5.5 V and Topr = −20 to 85 °C (N version).
2. Select the voltage detection level with bits VDSEL0 and VDSEL1 in the OFS register.
3. Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VCA25 bit in the VCA2
register to 0.
4. Time until the voltage monitor 0 reset is generated after the voltage passes Vdet0.
Table 5.7
Voltage Detection 1 Circuit Electrical Characteristics
Symbol
Vdet1
—
Parameter
Condition
Standard
Typ.
2.20
Max.
TBD
Unit
Voltage detection level Vdet1_0 (2)
At the falling of VCC
Min.
TBD
Voltage detection level Vdet1_1 (2)
At the falling of VCC
TBD
2.35
TBD
V
Voltage detection level Vdet1_2 (2)
At the falling of VCC
TBD
2.50
TBD
V
Voltage detection level Vdet1_3
(2)
At the falling of VCC
TBD
2.65
TBD
V
Voltage detection level Vdet1_4
(2)
At the falling of VCC
TBD
2.80
TBD
V
Voltage detection level Vdet1_5 (2)
At the falling of VCC
TBD
2.95
TBD
V
Voltage detection level Vdet1_6 (2)
At the falling of VCC
TBD
3.10
TBD
V
Voltage detection level Vdet1_7
(2)
At the falling of VCC
TBD
3.25
TBD
V
Voltage detection level Vdet1_8
(2)
At the falling of VCC
TBD
3.40
TBD
V
Voltage detection level Vdet1_9 (2)
At the falling of VCC
TBD
3.55
TBD
V
Voltage detection level Vdet1_A (2)
At the falling of VCC
TBD
3.70
TBD
V
Voltage detection level Vdet1_B
(2)
At the falling of VCC
TBD
3.85
TBD
V
Voltage detection level Vdet1_C
(2)
At the falling of VCC
TBD
4.00
TBD
V
Voltage detection level Vdet1_D (2)
At the falling of VCC
TBD
4.15
TBD
V
Voltage detection level Vdet1_E (2)
At the falling of VCC
TBD
4.30
TBD
V
Voltage detection level Vdet1_F (2)
Hysteresis width at the rising of VCC in voltage
detection 1 circuit
At the falling of VCC
TBD
4.45
TBD
V
—
0.07
—
V
—
0.10
—
V
—
60
TBD
µs
—
—
1.7
—
—
TBD
µA
—
Voltage detection 1 circuit response time (3)
—
td(E-A)
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts (4)
Vdet1_0 to Vdet1_5
selected
Vdet1_6 to Vdet1_F
selected
At the falling of VCC from
5.0 V to (Vdet1_0 − 0.1) V
VCA26 = 1, VCC = 5.0 V
V
µs
Notes:
1. The measurement condition is VCC = 1.8 to 5.5 V and Topr = −20 to 85 °C (N version).
2. Select the voltage detection level with bits VD1S0 to VD1S3 in the VD1LS register.
3. Time until the voltage monitor 1 interrupt request is generated after the voltage passes Vdet1.
4. Necessary time until the voltage detection circuit operates when setting to 1 again after setting the VCA26 bit in the VCA2
register to 0.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 35 of 55
R8C/3NT Group
Table 5.8
5. Electrical Characteristics
Voltage Detection 2 Circuit Electrical Characteristics
Symbol
Parameter
Condition
Vdet2
—
Voltage detection level Vdet2_0
Hysteresis width at the rising of VCC in voltage
detection 2 circuit
At the falling of VCC
—
Voltage detection 2 circuit response time (2)
—
td(E-A)
Voltage detection circuit self power consumption
Waiting time until voltage detection circuit operation
starts (3)
At the falling of VCC from
5.0 V to (Vdet2_0 − 0.1) V
VCA27 = 1, VCC = 5.0 V
Min.
TBD
—
Standard
Typ.
4.00
0.10
Max.
TBD
—
—
20
150
µs
—
—
1.7
—
—
100
µA
Unit
V
V
µs
Notes:
1. The measurement condition is VCC = 1.8 to 5.5 V and Topr = −20 to 85 °C (N version).
2. Time until the voltage monitor 2 interrupt request is generated after the voltage passes Vdet2.
3. Necessary time until the voltage detection circuit operates after setting to 1 again after setting the VCA27 bit in the VCA2
register to 0.
Power-on Reset Circuit (2)
Table 5.9
Symbol
Parameter
Condition
External power VCC rise gradient
trth
(1)
Min.
0
Standard
Typ.
Max.
—
50,000
Unit
mV/msec
Notes:
1. The measurement condition is Topr = −20 to 85 °C (N version), unless otherwise specified.
2. To use the power-on reset function, enable voltage monitor 0 reset by setting the LVDAS bit in the OFS register to 0.
Vdet0 (1)
Vdet0 (1)
trth
trth
External
Power VCC
0.5 V
tw(por) (2)
Voltage detection 0
circuit response time
Internal
reset signal
1
× 32
fOCO-S
1
× 32
fOCO-S
Notes:
1. Vdet0 indicates the voltage detection level of the voltage detection 0 circuit. Refer to 6. Voltage Detection
Circuit for details.
2. tw(por) indicates the duration the external power VCC must be held below the valid voltage (0.5 V) to enable
a power-on reset. When turning on the power after it falls with voltage monitor 0 reset disabled, maintain
tw(por) for 1 ms or more.
Figure 5.3
Power-on Reset Circuit Electrical Characteristics
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 36 of 55
R8C/3NT Group
Table 5.10
5. Electrical Characteristics
High-speed On-Chip Oscillator Circuit Electrical Characteristics
Symbol
—
—
—
Parameter
High-speed on-chip oscillator frequency after
reset
High-speed on-chip oscillator frequency when the
FRA4 register correction value is written into the
FRA1 register and the FRA5 register correction
value into the FRA3 register (2)
High-speed on-chip oscillator frequency when the
FRA6 register correction value is written into the
FRA1 register and the FRA7 register correction
value into the FRA3 register
Oscillation stability time
Self power consumption at oscillation
VCC = 5.0 V, Topr = 25 °C
Min.
—
Standard
Typ.
40
Max.
—
MHz
VCC = 5.0 V, Topr = 25 °C
—
36.864
—
MHz
VCC = 5.0 V, Topr = 25 °C
—
32
—
MHz
VCC = 5.0 V, Topr = 25 °C
VCC = 5.0 V, Topr = 25 °C
—
—
TBD
400
—
—
ms
µA
Condition
Unit
Notes:
1. VCC = 5.0 V and Topr = 25 °C, unless otherwise specified.
2. This enables the setting errors of bit rates such as 9600 bps and 38400 bps to be 0% when the serial interface is used in
UART mode.
Table 5.11
Low-speed On-Chip Oscillator Circuit Electrical Characteristics
Symbol
fOCO-S
—
—
Parameter
Low-speed on-chip oscillator frequency
Oscillation stability time
Self power consumption at oscillation
Condition
VCC = 5.0 V, Topr = 25 °C
VCC = 5.0 V, Topr = 25 °C
Min.
60
—
—
Standard
Typ.
125
30
2
Min.
—
Standard
Typ.
Max.
—
2,000
Max.
250
TBD
—
Unit
kHz
µs
µA
Note:
1. VCC = 1.8 to 5.5 V and Topr = −20 to 85 °C (N version), unless otherwise specified.
Table 5.12
Power Supply Circuit Timing Characteristics
Symbol
td(P-R)
Parameter
Condition
Time for internal power supply stabilization during
power-on (2)
Unit
µs
Notes:
1. The measurement condition is VCC = 1.8 to 5.5 V and Topr = 25 °C.
2. Waiting time until the internal power supply generation circuit stabilizes during power-on.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 37 of 55
R8C/3NT Group
Table 5.13
Symbol
5. Electrical Characteristics
Timing Requirements of Synchronous Serial Communication Unit (SSU)
Parameter
Conditions
tSUCYC
SSCK_i clock cycle time
tHI
tLO
tRISE
SSCK_i clock “H” width
SSCK_i clock “L” width
SSCK_i clock rising Master
time
Slave
tFALL
tSU
tH
tLEAD
tLAG
tOD
tSA
tOR
SSCK_i clock falling
time
Master
Slave
SSO_i, SSI_i data input setup
time
During low-voltage signal mode
VCC = 3.0 V,
Minimum input voltage = 1.65 V,
external pull-up resistor = 510 Ω (3)
Min.
4
Standard
Typ.
—
Max.
—
0.4
0.4
—
—
—
—
0.6
0.6
1
—
—
—
—
1
1
—
100
—
—
1
—
tCYC (2)
µs
ns
Unit
tCYC (2)
tSUCYC
tSUCYC
tCYC (2)
µs
SSO_i, SSI_i data input hold
time
Slave
SCS_i setup time
1
—
—
tCYC (2)
1tCYC + 50
—
—
ns
Slave
1tCYC + 50
—
—
ns
—
—
1
tCYC (2)
—
—
—
—
—
—
—
—
1.5tCYC + 100
1.5tCYC + 200
1.5tCYC + 100
1.5tCYC + 200
ns
ns
ns
ns
SCS_i hold time
SSO_i, SSI_i data output delay
time
SSI_i slave access time
2.7 V ≤ VCC ≤ 5.5 V
1.8 V ≤ VCC < 2.7 V
SSI_i slave out open time
2.7 V ≤ VCC ≤ 5.5 V
1.8 V ≤ VCC < 2.7 V
i = 0 to 3
Notes:
1. VCC = 1.8 to 5.5 V, VSS = 0 V, and Topr = −20 to 85 °C (N version), unless otherwise specified.
2. 1tCYC = 1/f1(s)
f1 ≤ 10 MHz is required when the noise filter is used in low-voltage signal mode.
3. These indicate the measurement conditions in low-voltage signal mode.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 38 of 55
R8C/3NT Group
5. Electrical Characteristics
4-Wire Bus Communication Mode, Master, CPHS = 1
VIH or VOH
SCS_i (output)
VIL or VOL
tHI
tFALL
tRISE
SSCK_i (output)
(CPOS = 1)
tLO
tHI
SSCK_i (output)
(CPOS = 0)
tLO
tSUCYC
SSO_i (output)
tOD
SSI_i (input)
tSU
tH
4-Wire Bus Communication Mode, Master, CPHS = 0
VIH or VOH
SCS_i (output)
VIL or VOL
tHI
tFALL
tRISE
SSCK_i (output)
(CPOS = 1)
tLO
tHI
SSCK_i (output)
(CPOS = 0)
tLO
tSUCYC
SSO_i (output)
tOD
SSI_i (input)
tSU
tH
CPHS, CPOS: Bits in SSiMR register
i = 0 to 3
Figure 5.4
I/O Timing of Synchronous Serial Communication Unit (SSU) (Master)
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 39 of 55
R8C/3NT Group
5. Electrical Characteristics
4-Wire Bus Communication Mode, Slave, CPHS = 1
VIH or VOH
SCS_i (input)
VIL or VOL
tLEAD
tHI
tFALL
tRISE
tLAG
SSCK_i (input)
(CPOS = 1)
tLO
tHI
SSCK_i (input)
(CPOS = 0)
tLO
tSUCYC
SSO_i (input)
tSU
tH
SSI_i (output)
tSA
tOD
tOR
4-Wire Bus Communication Mode, Slave, CPHS = 0
VIH or VOH
SCS_i (input)
VIL or VOL
tLEAD
tHI
tFALL
tRISE
tLAG
SSCK_i (input)
(CPOS = 1)
tLO
tHI
SSCK_i (input)
(CPOS = 0)
tLO
tSUCYC
SSO_i (input)
tSU
tH
SSI_i (output)
tSA
tOD
tOR
CPHS, CPOS: Bits in SSiMR register
i = 0 to 3
Figure 5.5
I/O Timing of Synchronous Serial Communication Unit (SSU) (Slave)
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 40 of 55
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5. Electrical Characteristics
tHI
VIH or VOH
SSCK_i
VIL or VOL
tLO
tSUCYC
SSO_i (output)
tOD
SSI_i (input)
tSU
tH
i = 0 to 3
Figure 5.6
I/O Timing of Synchronous Serial Communication Unit (SSU) (Clock Synchronous
Communication Mode)
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 41 of 55
R8C/3NT Group
Table 5.14
5. Electrical Characteristics
Timing Requirements of I2C bus Interface
Symbol
Parameter
Standard
Condition
Min.
Typ.
Max.
Unit
tSCL
SCL_i input cycle time
12tCYC + 600 (2)
—
—
ns
tSCLH
SCL_i input “H” width
3tCYC + 300 (2)
—
—
ns
tSCLL
SCL_i input “L” width
5tCYC + 500
—
—
ns
tsf
SCL_i, SDA_i input fall time
—
—
300
ns
tSP
SCL_i, SDA_i input spike pulse rejection
time
—
—
1tCYC (2)
ns
tBUF
SDA_i input bus-free time
5tCYC (2)
—
—
ns
tSTAH
Start condition input hold time
3tCYC (2)
—
—
ns
tSTAS
Retransmit start condition input setup time
3tCYC (2)
—
—
ns
tSTOP
Stop condition input setup time
3tCYC (2)
—
—
ns
tSDAS
Data input setup time
1tCYC + 40 (2)
—
—
ns
tSDAH
Data input hold time
10
—
—
ns
(2)
i = 0 to 3
Notes:
1. VCC = 1.8 to 5.5 V, VSS = 0 V, and Topr = −20 to 85 °C (N version), unless otherwise specified.
2. 1tCYC = 1/f1(s)
VIH
SDA_i
VIL
tBUF
tSTAH
tSCLH
tSTAS
tSP
tSTOP
SCL_i
P (2)
S (1)
tSf
Sr (3)
tSCLL
tSr
tSCL
P (2)
tSDAS
tSDAH
Notes:
1. Start condition
2. Stop condition
3. Retransmit start condition
i = 0 to 3
Figure 5.7
I/O Timing of I2C bus Interface
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 42 of 55
R8C/3NT Group
Table 5.15
5. Electrical Characteristics
Electrical Characteristics (1) [4.2 V ≤ VCC ≤ 5.5 V]
Symbol
VOH
Parameter
Output “H” Other than XOUT
voltage
Condition
Drive capacity High
Drive capacity Low
VOL
Output “L”
voltage
XOUT
Other than XOUT
VCC = 5 V
Drive capacity High
Drive capacity Low
VT+-VT-
IIH
IIL
RPULLUP
RfXIN
RfXCIN
VRAM
XOUT
Hysteresis INT0, INT1, INT2, INT3,
INT4,
KI0, KI1, KI2, KI3,
TRAIO, TRCIOA,
TRCIOB, TRCIOC,
TRCIOD, TRCTRG,
TRCCLK, ADTRG,
RXD0, RXD1, RXD2,
CLK0, CLK1, CLK2,
CTS2, SSCK_i, SCS_i,
SSI_i, SCL_i, SDA_i,
SSO_i (i = 0 to 3)
RESET
Input “H” current
Input “L” current
Pull-up resistance
Feedback XIN
resistance
Feedback XCIN
resistance
RAM hold voltage
VCC = 5 V
VCC = 5.0 V
VI = 5 V, VCC = 5.0 V
VI = 0 V, VCC = 5.0 V
VI = 0 V, VCC = 5.0 V
During stop mode
VCC = 5 V
IOH = −20 mA
Maximum number of
I/Os = 4
VCC = 5 V
IOH = −5 mA
Maximum number of
I/Os = 16
IOH = −200 µA
VCC = 5 V
IOL = 20 mA
Maximum number of
I/Os = 4
VCC = 5 V
IOL = 5 mA
Maximum number of
I/Os = 16
IOL = 200 µA
Standard
Min.
Typ. Max.
VCC – 2.0 —
VCC
Unit
V
VCC – 2.0
—
VCC
V
1.0
—
—
—
VCC
2.0
V
V
—
—
2.0
V
—
0.1
—
1.2
0.5
—
V
V
0.1
1.2
—
V
—
—
25
—
—
—
50
0.3
5.0
−5.0
100
—
µA
µA
kΩ
MΩ
—
8
—
MΩ
1.8
—
—
V
Note:
1. 4.2 V ≤ VCC ≤ 5.5 V, Topr = −20 to 85 °C (N version), and f(XIN) = 20 MHz, unless otherwise specified.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 43 of 55
R8C/3NT Group
Table 5.16
Symbol
ICC
5. Electrical Characteristics
Electrical Characteristics (2) [3.3 V ≤ VCC ≤ 5.5 V]
(Topr = −20 to 85 °C (N version), unless otherwise specified.)
Parameter
Condition
Power supply current High-speed
(VCC = 3.3 to 5.5 V) clock mode
Single-chip mode,
output pins are open,
other pins are VSS
High-speed
on-chip
oscillator mode
Low-speed
on-chip
oscillator mode
Low-speed
clock mode
Wait mode
Stop mode
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
XIN = 20 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
No division
XIN = 16 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
No division
XIN = 10 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
No division
XIN = 20 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
XIN = 16 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
XIN = 10 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
XIN clock off
High-speed on-chip oscillator on fOCO-F = 20 MHz
Low-speed on-chip oscillator on = 125 kHz
No division
XIN clock off
High-speed on-chip oscillator on fOCO-F = 20 MHz
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
XIN clock off
High-speed on-chip oscillator on fOCO-F = 4 MHz
Low-speed on-chip oscillator on = 125 kHz
Divide-by-16, MSTIIC = MSTTRD = MSTTRC = 1
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8, FMR27 = 1, VCA20 = 0
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz
No division
FMR27 = 1, VCA20 = 0
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz
No division
Program operation on RAM
Flash memory off, FMSTP = 1, VCA20 = 0
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock operation
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz (peripheral clock off)
While a WAIT instruction is executed
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
XIN clock off, Topr = 25 °C
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0
XIN clock off, Topr = 85 °C
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0
Min.
—
Standard
Typ. Max.
6.5
1.5
Unit
mA
—
5.3
12.5
mA
—
3.6
—
mA
—
3.0
—
mA
—
2.2
—
mA
—
1.5
—
mA
—
7.0
15
mA
—
3.0
—
mA
—
1
—
mA
—
90
400
µA
—
85
400
µA
—
47
—
µA
—
15
100
µA
—
4
90
µA
—
3.5
—
µA
—
2.0
5.0
µA
—
15
—
µA
Page 44 of 55
R8C/3NT Group
5. Electrical Characteristics
Timing Requirements
Table 5.17
(Unless Otherwise Specified: VCC = 5 V, VSS = 0 V, Topr = 25 °C)
External Clock Input (XOUT, XCIN)
Symbol
tc(XOUT)
tWH(XOUT)
tWL(XOUT)
tc(XCIN)
tWH(XCIN)
tWL(XCIN)
Standard
Min.
Max.
50
—
24
—
24
—
41
—
7
—
7
—
Parameter
XOUT input cycle time
XOUT input “H” width
XOUT input “L” width
XCIN input cycle time
XCIN input “H” width
XCIN input “L” width
tC(XOUT), tC(XCIN)
tWH(XOUT),
tWH(XCIN)
Unit
ns
ns
ns
µs
µs
µs
VCC = 5 V
External clock input
tWL(XOUT), tWL(XCIN)
Figure 5.8
Table 5.18
External Clock Input Timing Diagram when VCC = 5 V
TRAIO Input
Symbol
Standard
Min.
Max.
100
—
40
—
40
—
Parameter
TRAIO input cycle time
tc(TRAIO)
tWH(TRAIO) TRAIO input “H” width
tWL(TRAIO) TRAIO input “L” width
tC(TRAIO)
Unit
ns
ns
ns
VCC = 5 V
tWH(TRAIO)
TRAIO input
tWL(TRAIO)
Figure 5.9
TRAIO Input Timing Diagram when VCC = 5 V
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 45 of 55
R8C/3NT Group
Table 5.19
5. Electrical Characteristics
Serial Interface
Symbol
tc(CK)
tW(CKH)
tW(CKL)
td(C-Q)
th(C-Q)
tsu(D-C)
th(C-D)
th(C-Q)
tsu(D-C)
th(C-D)
Parameter
Standard
Condition
CLKi input cycle time
CLKi input “H” width
CLKi input “L” width
TXDi output delay time
TXDi hold time
RXDi input setup time
RXDi input hold time
TXDi output delay time
RXDi input setup time
RXDi input hold time
Min.
200
100
100
—
0
10
90
—
90
90
When an external clock is selected
When an internal clock is selected
Max.
—
—
—
90
—
—
—
10
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
i = 0 to 2
tC(CK)
VCC = 5 V
tW(CKH)
CLKi
tW(CKL)
th(C-Q)
TXDi
td(C-Q)
tsu(D-C)
th(C-D)
RXDi
i = 0 to 2
Figure 5.10
Table 5.20
Serial Interface Timing Diagram when VCC = 5 V
External Interrupt INTi (i = 0 to 4) Input, Key Input Interrupt KIi (i = 0 to 3)
tW(INH)
INTi input “H” width, KIi input “H” width
Standard
Min.
Max.
(1)
—
250
tW(INL)
INTi input “L” width, KIi input “L” width
250 (2)
Symbol
Parameter
—
Unit
ns
ns
Notes:
1. When selecting the digital filter by the INTi input filter select bit, use an INTi input HIGH width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
2. When selecting the digital filter by the INTi input filter select bit, use an INTi input LOW width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
VCC = 5 V
INTi input
(i = 0 to 4)
tW(INL)
KIi input
(i = 0 to 3)
Figure 5.11
tW(INH)
Input Timing Diagram for External Interrupt INTi and Key Input Interrupt KIi
when VCC = 5 V
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 46 of 55
R8C/3NT Group
Table 5.21
5. Electrical Characteristics
Electrical Characteristics (3) [2.7 V ≤ VCC < 4.2 V]
Symbol
VOH
VOL
Parameter
Output “H” voltage Other than XOUT
Output “L” voltage
VT+-VT-
Hysteresis
IIH
IIL
RPULLUP
RfXIN
Input “H” current
Input “L” current
Pull-up resistance
Feedback
resistance
Feedback
resistance
RAM hold voltage
RfXCIN
VRAM
Condition
Drive capacity High VCC = 3 V
IOH = −5 mA
Maximum number
of I/Os = 4
Drive capacity Low VCC = 3 V
IOH = −1 mA
Maximum number
of I/Os = 16
XOUT
IOH = −200 µA
Other than XOUT
Drive capacity High VCC = 3 V
IOL = 5 mA
Maximum number
of I/Os = 4
Drive capacity Low VCC = 3 V
IOL = 1 mA
Maximum number
of I/Os = 16
XOUT
IOL = 200 µA
INT0, INT1, INT2, INT3, VCC = 3.0 V
INT4,
KI0, KI1, KI2, KI3,
TRAIO, TRCIOA,
TRCIOB, TRCIOC,
TRCIOD, TRCTRG,
TRCCLK, ADTRG,
RXD0, RXD1, RXD2,
CLK0, CLK1, CLK2,
CTS2, SSCK_i, SCS_i,
SSI_i, SCL_i, SDA_i,
SSO_i (i = 0 to 3)
VCC = 3.0 V
RESET
Standard
Min.
VCC – 0.7
Typ. Max.
—
VCC
Unit
V
VCC – 0.7
—
VCC
V
1.0
—
—
—
VCC
0.7
V
V
—
—
0.7
V
—
0.1
—
0.4
0.5
—
V
V
0.1
0.5
—
V
—
—
84
0.3
4.0
−4.0
168
—
µA
XIN
—
—
42
—
µA
kΩ
MΩ
XCIN
—
8
—
MΩ
1.8
—
—
V
VI = 3 V, VCC = 3.0 V
VI = 0 V, VCC = 3.0 V
VI = 0 V, VCC = 3.0 V
During stop mode
Note:
1. 2.7 V ≤ VCC < 4.2 V, Topr = −20 to 85 °C (N version), and f(XIN) = 10 MHz, unless otherwise specified.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 47 of 55
R8C/3NT Group
Table 5.22
Symbol
ICC
5. Electrical Characteristics
Electrical Characteristics (4) [2.7 V ≤ VCC ≤ 3.3 V]
(Topr = −20 to 85 °C (N version), unless otherwise specified.)
Parameter
Condition
Power supply current High-speed
(VCC = 2.7 to 3.3 V) clock mode
Single-chip mode,
output pins are open,
other pins are VSS
High-speed
on-chip
oscillator mode
Low-speed
on-chip
oscillator mode
Low-speed
clock mode
Wait mode
Stop mode
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
XIN = 10 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
No division
XIN = 10 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
XIN clock off
High-speed on-chip oscillator on fOCO-F = 20 MHz
Low-speed on-chip oscillator on = 125 kHz
No division
XIN clock off
High-speed on-chip oscillator on fOCO-F = 20 MHz
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
XIN clock off
High-speed on-chip oscillator on fOCO-F = 10 MHz
Low-speed on-chip oscillator on = 125 kHz
No division
XIN clock off
High-speed on-chip oscillator on fOCO-F = 10 MHz
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
XIN clock off
High-speed on-chip oscillator on fOCO-F = 4 MHz
Low-speed on-chip oscillator on = 125 kHz
Divide-by-16, MSTIIC = MSTTRD = MSTTRC = 1
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8, FMR27 = 1, VCA20 = 0
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz
No division
FMR27 = 1, VCA20 = 0
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz
No division
Program operation on RAM
Flash memory off, FMSTP = 1, VCA20 = 0
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock operation
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz (peripheral clock off)
While a WAIT instruction is executed
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
XIN clock off, Topr = 25 °C
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0
XIN clock off, Topr = 85 °C
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0
Min.
—
Standard
Typ. Max.
3.5
10
Unit
mA
—
1.5
7.5
mA
—
7.0
15
mA
—
3.0
—
mA
—
4.0
—
mA
—
1.5
—
mA
—
1
—
mA
—
90
390
µA
—
80
400
µA
—
40
—
µA
—
15
90
µA
—
4
80
µA
—
3.5
—
µA
—
2.0
5.0
µA
—
15
—
µA
Page 48 of 55
R8C/3NT Group
5. Electrical Characteristics
Timing requirements
Table 5.23
(Unless Otherwise Specified: VCC = 3 V, VSS = 0 V, Topr = 25 °C)
External Clock Input (XOUT, XCIN)
Symbol
tc(XOUT)
tWH(XOUT)
tWL(XOUT)
tc(XCIN)
tWH(XCIN)
tWL(XCIN)
Standard
Parameter
Min.
50
24
24
14
7
7
XOUT input cycle time
XOUT input “H” width
XOUT input “L” width
XCIN input cycle time
XCIN input “H” width
XCIN input “L” width
tC(XOUT), tC(XCIN)
tWH(XOUT),
tWH(XCIN)
Max.
—
—
—
—
—
—
Unit
ns
ns
ns
µs
µs
µs
VCC = 3 V
External clock input
tWL(XOUT), tWL(XCIN)
Figure 5.12
Table 5.24
External Clock Input Timing Diagram when VCC = 3 V
TRAIO Input
Symbol
Standard
Min.
Max.
300
—
120
—
120
—
Parameter
TRAIO input cycle time
tc(TRAIO)
tWH(TRAIO) TRAIO input “H” width
tWL(TRAIO) TRAIO input “L” width
tC(TRAIO)
Unit
ns
ns
ns
VCC = 3 V
tWH(TRAIO)
TRAIO input
tWL(TRAIO)
Figure 5.13
TRAIO Input Timing Diagram when VCC = 3 V
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 49 of 55
R8C/3NT Group
Table 5.25
5. Electrical Characteristics
Serial Interface
Symbol
tc(CK)
tW(CKH)
tW(CKL)
td(C-Q)
th(C-Q)
tsu(D-C)
th(C-D)
th(C-Q)
tsu(D-C)
th(C-D)
Parameter
Standard
Condition
CLKi input cycle time
CLKi input “H” width
CLKi Input “L” width
TXDi output delay time
TXDi hold time
RXDi input setup time
RXDi input hold time
TXDi output delay time
RXDi input setup time
RXDi input hold time
Min.
300
150
150
—
0
30
90
—
120
90
When an external clock is selected
When an internal clock is selected
Max.
—
—
—
120
—
—
—
30
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
i = 0 to 2
tC(CK)
VCC = 3 V
tW(CKH)
CLKi
tW(CKL)
th(C-Q)
TXDi
td(C-Q)
tsu(D-C)
th(C-D)
RXDi
i = 0 to 2
Figure 5.14
Table 5.26
Serial Interface Timing Diagram when VCC = 3 V
External Interrupt INTi (i = 0 to 4) Input, Key Input Interrupt KIi (i = 0 to 3)
tW(INH)
INTi input “H” width, KIi input “H” width
Standard
Min.
Max.
(1)
—
380
tW(INL)
INTi input “L” width, KIi input “L” width
380 (2)
Symbol
Parameter
—
Unit
ns
ns
Notes:
1. When selecting the digital filter by the INTi input filter select bit, use an INTi input HIGH width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
2. When selecting the digital filter by the INTi input filter select bit, use an INTi input LOW width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
VCC = 3 V
INTi input
(i = 0 to 4)
tW(INL)
KIi input
(i = 0 to 3)
Figure 5.15
tW(INH)
Input Timing Diagram for External Interrupt INTi and Key Input Interrupt KIi
when VCC = 3 V
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 50 of 55
R8C/3NT Group
Table 5.27
5. Electrical Characteristics
Electrical Characteristics (5) [1.8 V ≤ VCC < 2.7 V]
Symbol
VOH
VOL
Parameter
Output “H” voltage
Output “L” voltage
Other than XOUT
Hysteresis
IIH
IIL
RPULLUP
RfXIN
Input “H” current
Input “L” current
Pull-up resistance
Feedback
resistance
Feedback
resistance
RAM hold voltage
Drive capacity High VCC = 1.8 V
IOH = −2 mA
Maximum number
of I/Os = 4
Drive capacity Low VCC = 1.8 V
IOH = −1 mA
Maximum number
of I/Os = 16
IOH = −200 µA
Drive capacity High VCC = 1.8 V
IOL = 2 mA
Maximum number
of I/Os = 4
Drive capacity Low VCC = 1.8 V
IOL = 1 mA
Maximum number
of I/Os = 16
IOL = 200 µA
VCC = 2.2 V
VRAM
Typ. Max.
—
VCC
Unit
V
—
VCC
V
1.0
—
—
—
VCC
0.5
V
V
—
—
0.5
V
—
0.05
—
0.20
0.5
—
V
V
0.05
0.20
—
V
—
—
140
0.3
4.0
−4.0
300
—
µA
XIN
—
—
70
—
µA
kΩ
MΩ
XCIN
—
8
—
MΩ
1.8
—
—
V
XOUT
Other than XOUT
NT0, INT1, INT2, INT3,
INT4,
KI0, KI1, KI2, KI3,
TRAIO, TRCIOA,
TRCIOB, TRCIOC,
TRCIOD, TRCTRG,
TRCCLK, ADTRG,
RXD0, RXD1, RXD2,
CLK0, CLK1, CLK2,
CTS2, SSCK_i, SCS_i,
SSI_i, SCL_i, SDA_i,
SSO_i (i = 0 to 3)
RESET
RfXCIN
Standard
Min.
VCC – 0.5
VCC – 0.5
XOUT
VT+-VT-
Condition
VI = 2.2 V, VCC = 2.2 V
VI = 0 V, VCC = 2.2 V
VI = 0 V, VCC = 2.2 V
During stop mode
Note:
1. 1.8 V ≤ VCC < 2.7 V, Topr = −20 to 85 °C (N version), and f(XIN) = 5 MHz, unless otherwise specified.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 51 of 55
R8C/3NT Group
Table 5.28
Symbol
ICC
5. Electrical Characteristics
Electrical Characteristics (6) [1.8 V ≤ VCC < 2.7 V]
(Topr = −20 to 85 °C (N version), unless otherwise specified.)
Parameter
Condition
Standard
Unit
Min.
—
Typ.
2.2
Max.
—
—
0.8
—
mA
XIN clock off
High-speed
High-speed on-chip oscillator on fOCO-F = 5 MHz
on-chip
oscillator mode Low-speed on-chip oscillator on = 125 kHz
—
2.5
10
mA
XIN clock off
High-speed on-chip oscillator on fOCO-F = 5 MHz
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
—
1.7
—
mA
XIN clock off
High-speed on-chip oscillator on fOCO-F = 4 MHz
Low-speed on-chip oscillator on = 125 kHz
Divide-by-16, MSTIIC = MSTTRD = MSTTRC = 1
—
1
—
mA
XIN clock off
Low-speed
High-speed on-chip oscillator off
on-chip
oscillator mode Low-speed on-chip oscillator on = 125 kHz
—
90
300
µA
Low-speed
clock mode
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz
No division
FMR27 = 1, VCA20 = 0
—
80
350
µA
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz
No division
Program operation on RAM
Flash memory off, FMSTP = 1, VCA20 = 0
—
40
—
µA
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock operation
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
—
15
90
µA
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
While a WAIT instruction is executed
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
—
4
80
µA
XIN clock off
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
XCIN clock oscillator on = 32 kHz (peripheral clock off)
While a WAIT instruction is executed
VCA27 = VCA26 = VCA25 = 0, VCA20 = 1
—
3.5
—
µA
XIN clock off, Topr = 25 °C
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0
—
2.0
5
µA
XIN clock off, Topr = 85 °C
High-speed on-chip oscillator off
Low-speed on-chip oscillator off
CM10 = 1
Peripheral clock off
VCA27 = VCA26 = VCA25 = 0
—
15
—
µA
Power supply current High-speed
(VCC = 1.8 to 2.7 V) clock mode
Single-chip mode,
output pins are open,
other pins are VSS
XIN = 5 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
No division
XIN = 5 MHz (square wave)
High-speed on-chip oscillator off
Low-speed on-chip oscillator on = 125 kHz
Divide-by-8
mA
No division
Divide-by-8, FMR27 = 1, VCA20 = 0
Wait mode
Stop mode
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 52 of 55
R8C/3NT Group
5. Electrical Characteristics
Timing requirements
Table 5.29
(Unless Otherwise Specified: VCC = 2.2 V, VSS = 0 V, Topr = 25 °C)
External Clock Input (XOUT, XCIN)
Symbol
tc(XOUT)
tWH(XOUT)
tWL(XOUT)
tc(XCIN)
tWH(XCIN)
tWL(XCIN)
Standard
Parameter
Min.
200
90
90
14
7
7
XOUT input cycle time
XOUT input “H” width
XOUT input “L” width
XCIN input cycle time
XCIN input “H” width
XCIN input “L” width
tC(XOUT), tC(XCIN)
tWH(XOUT),
tWH(XCIN)
Max.
—
—
—
—
—
—
Unit
ns
ns
ns
µs
µs
µs
VCC = 2.2 V
External clock input
tWL(XOUT), tWL(XCIN)
Figure 5.16
Table 5.30
External Clock Input Timing Diagram when VCC = 2.2 V
TRAIO Input
Symbol
Standard
Min.
Max.
500
—
200
—
200
—
Parameter
TRAIO input cycle time
tc(TRAIO)
tWH(TRAIO) TRAIO input “H” width
tWL(TRAIO) TRAIO input “L” width
tC(TRAIO)
Unit
ns
ns
ns
VCC = 2.2 V
tWH(TRAIO)
TRAIO input
tWL(TRAIO)
Figure 5.17
TRAIO Input Timing Diagram when VCC = 2.2 V
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 53 of 55
R8C/3NT Group
Table 5.31
5. Electrical Characteristics
Serial Interface
Symbol
Parameter
Standard
Condition
Min.
Max.
Unit
tc(CK)
CLKi input cycle time
800
—
ns
tW(CKH)
CLKi input “H” width
400
—
ns
tW(CKL)
CLKi Input “L” width
400
—
ns
td(C-Q)
TXDi output delay time
—
200
ns
th(C-Q)
TXDi hold time
tsu(D-C)
RXDi input setup time
th(C-D)
RXDi input hold time
th(C-Q)
TXDi output delay time
tsu(D-C)
RXDi input setup time
150
—
ns
th(C-D)
RXDi input hold time
90
—
ns
When an external clock is selected
When an internal clock is selected
0
—
ns
150
—
ns
90
—
ns
—
200
ns
i = 0 to 2
tC(CK)
VCC = 2.2 V
tW(CKH)
CLKi
tW(CKL)
th(C-Q)
TXDi
td(C-Q)
tsu(D-C)
th(C-D)
RXDi
i = 0 to 2
Figure 5.18
Table 5.32
Serial Interface Timing Diagram when VCC = 2.2 V
External Interrupt INTi (i = 0 to 4) Input, Key Input Interrupt KIi (i = 0 to 3)
Symbol
tW(INH)
tW(INL)
Standard
Parameter
Unit
Min.
Max.
INTi input “H” width, KIi input “H” width
1,000 (1)
—
ns
INTi input “L” width, KIi input “L” width
1,000 (2)
—
ns
Notes:
1. When selecting the digital filter by the INTi input filter select bit, use an INTi input HIGH width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
2. When selecting the digital filter by the INTi input filter select bit, use an INTi input LOW width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
VCC = 2.2 V
INTi input
(i = 0 to 4)
tW(INL)
KIi input
(i = 0 to 3)
Figure 5.19
tW(INH)
Input Timing Diagram for External Interrupt INTi and Key Input Interrupt KIi
when VCC = 2.2 V
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 54 of 55
R8C/3NT Group
Package Dimensions
Package Dimensions
Underfill is applied to this package. Evaluate its strength under the environment that actual product modules are used.
A
A
B
C
D
E
F
G
B
7 6 5 4 3 2 1
4×
0.03
48-φ0.28±0.03
φ0.05 M S AB
S
SEATING PLANE
C area
0.06 S
C area
Notes
1. Pin pitches are specified by the pin center positions.
2. Datum A and B indicate the center of the ball grid.
R01DS0047EJ0100 Rev.1.00
Jan 25, 2011
Page 55 of 55
REVISION HISTORY
Rev.
Date
0.01
1.00
May 17, 2010
Jan 25, 2011
R8C/3NT Group Datasheet
Page
Description
Summary
—
All
1
2
3
4
15
20
22
23
29 to 54
55
First Edition issued
“PRELIMINARY” and “Under development” deleted
1.1 “A sensor control unit is ... capacitive touch electrode.” added
Table 1.1 revised
Table 1.2 revised
Table 1.3 revised
Table 4.2 revised
Table 4.7 revised
Table 4.9 revised
Table 4.10 revised
5. Electrical Characteristics added
Package Dimensions “Preliminary” deleted
All trademarks and registered trademarks are the property of their respective owners.
C-1
General Precautions in the Handling of MPU/MCU Products
The following usage notes are applicable to all MPU/MCU products from Renesas. For detailed usage notes
on the products covered by this manual, refer to the relevant sections of the manual. If the descriptions under
General Precautions in the Handling of MPU/MCU Products and in the body of the manual differ from each
other, the description in the body of the manual takes precedence.
1. Handling of Unused Pins
Handle unused pins in accord with the directions given under Handling of Unused Pins in the
manual.
 The input pins of CMOS products are generally in the high-impedance state. In operation
with an unused pin in the open-circuit state, extra electromagnetic noise is induced in the
vicinity of LSI, an associated shoot-through current flows internally, and malfunctions occur
due to the false recognition of the pin state as an input signal become possible. Unused
pins should be handled as described under Handling of Unused Pins in the manual.
2. Processing at Power-on
The state of the product is undefined at the moment when power is supplied.
 The states of internal circuits in the LSI are indeterminate and the states of register
settings and pins are undefined at the moment when power is supplied.
In a finished product where the reset signal is applied to the external reset pin, the states
of pins are not guaranteed from the moment when power is supplied until the reset
process is completed.
In a similar way, the states of pins in a product that is reset by an on-chip power-on reset
function are not guaranteed from the moment when power is supplied until the power
reaches the level at which resetting has been specified.
3. Prohibition of Access to Reserved Addresses
Access to reserved addresses is prohibited.
 The reserved addresses are provided for the possible future expansion of functions. Do
not access these addresses; the correct operation of LSI is not guaranteed if they are
accessed.
4. Clock Signals
After applying a reset, only release the reset line after the operating clock signal has become
stable. When switching the clock signal during program execution, wait until the target clock
signal has stabilized.
 When the clock signal is generated with an external resonator (or from an external
oscillator) during a reset, ensure that the reset line is only released after full stabilization of
the clock signal. Moreover, when switching to a clock signal produced with an external
resonator (or by an external oscillator) while program execution is in progress, wait until
the target clock signal is stable.
5. Differences between Products
Before changing from one product to another, i.e. to one with a different part number, confirm
that the change will not lead to problems.
 The characteristics of MPU/MCU in the same group but having different part numbers may
differ because of the differences in internal memory capacity and layout pattern. When
changing to products of different part numbers, implement a system-evaluation test for
each of the products.
Notice
1.
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(Note 1)
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