LC88FC2D0B 16-bit Microcontroller 256K-byte Flash ROM / 24Kbyte RAM / 100-pin www.onsemi.com Features 16-channel 12-bit resolution AD converter Infrared remote controller receiver circuit CRC operating circuit Internal Reset Function Performance 83.3ns (12.0MHz), VDD = 3.0 to 3.6V, Ta = 40 to +85C 100ns (10.0MHz), VDD = 2.7 to 3.6V, Ta = 40 to +85C PB5/SM1DA PB4/SM1CK PB3 PB2 PB1 PB0 P37/T7O P36/T6O P35/U3TX P34/U3RX P33/INT3 P32/INT2/RMIN P31/INT1 P30/INT0 P07/T0PWMH/U0BRG P06/T0PWML P05/P05INT P04/P04INT P03/P0INT P02/P0INT P01/P0INT P00/P0INT VSS3 VDD3 P40/INT6 TQFP 100,14x14 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 PB6/SM1DO P70/AN8 P71/AN9 P72/AN10 P73/AN11 P74/AN12 P75/AN13 P76/AN14 P77/AN15 VSS4 VDD4 PA0/SO4 PA1/SI4/SB4 PA2/SCK4 PA3/SCS4 PA4/SL0CK PA5/SL0DA PA6/SL0DO PA7 PC2/FILT P50/P5INT0 P51/P5INT1 P52/P5INT2 P53/P5INT3 P54/P5INT4 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 LC88FC2D0B LC88FC2H0B 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 P41/INT7 P42 P43/SO1 P44/SI1/SB1 P45/SCK1 P46/PWM0A P47/PWM0B P27 P26/T5O P25/T4O P24/SM0DO P23/SM0DA P22/SM0CK VDD2 VSS2 P21/INT5 P20/INT4 PD5 PD4 PD3 PD2 PD1 PD0 P17/U2TX P16/U2RX 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 P55/P5INT5 P56/P5INT6 P57/P5INT7 TEST RESB PC0/XT1 PC1/XT2 VSS1 PC3/CF1 PC4/CF2 VDD1 P60/AN0 P61/AN1 P62/AN2 P63/AN3 P64/AN4 P65/AN5 P66/AN6 P67/AN7 P10/SO0 P11/SI0/SB0 P12/SCK0 P13/U0TX P14/T3OL/U0RX P15/T3OH Function Descriptions Xstromy16 CPU - 4G-byte address space - General-purpose registers : 16 bits 16 registers Ports - I/O Ports 86 - Power supply pins 8 (VSS1 to VSS4, VDD1 to VDD4) Timer - 16-bit timers 8 - Base timer serving as a time-of-day clock Serial interfaces - Synchronous SIO interfaces 3 (with automatic transmission capability) - Single master I2C/synchronous SIO interface 2 - Slave I2C/synchronous SIO interface - Asynchronous SIO (UART) interfaces 3 Multifrequency 12-bit PWM modules 16-channel 12-bit resolution AD converter Watchdog timer Infrared remote controller receiver circuit CRC operating circuit Real time clock System clock frequency divider CF oscillator circuit, Crystal oscillator circuit, RC oscillator circuit 61-source 14-vector interrupt feature On-chip debugger function Top view Pin Assignment (Top view) Application Home audio, White goods * This product is licensed from Silicon Storage Technology, Inc. (USA). ORDERING INFORMATION See detailed ordering and shipping information on page 47 of this data sheet. © Semiconductor Components Industries, LLC, 2016 March 2016 - Rev. 0 1 Publication Order Number : LC88FC2D0B/D LC88FC2D0B Function Details Xstromy16 CPU ● 4G-byte address space ● General-purpose registers: 16 bits 16 registers Flash ROM ● Programming voltage level: 2.7 to 3.6V. ● Block-erasable in 2K byte units. ● Data written in 2-byte units. ● 262144 8 bits RAM ● 24576 8 bits Minimum instruction cycle time (tCYC) ● ● 83.3 ns (12 MHz), 100 ns (10 MHz), VDD = 3.0 to 3.6V VDD = 2.7 to 3.6V Ports ● Normal withstand voltage I/O ports Ports whose I/O direction can be designated in 1 bit units Oscillation/normal withstand voltage I/O ports Reset pins ● TEST pins ● Power pins ● ● : 86 (P0n P1n, P2n, P3n, P4n, P5n, P6n, P7n, PAn PB0 to PB6, PC2, PD0 to PD5) : 4 (PC0, PC1, PC3, PC4) : 1 (RESB) : 1 (TEST) : 8 (VSS1 to 4, VDD1 to 4) Timers ● Timer 0: 16-bit timer that supports PWM/toggle outputs <1> 5-bit prescaler <2> 8-bit PWM 2, 8-bit timer + 8-bit PWM mode selectable <3> Clock source selectable from system clock, OSC0, OSC1, and internal RC oscillator. ● Timer 1: 16-bit timer with capture registers <1> 5-bit prescaler <2> May be divided into 2 channels of 8-bit timer <3> Clock source selectable from system clock, OSC0, OSC1, and internal RC oscillator ● Timer 2: 16-bit timer with capture registers <1> 4-bit prescaler <2> May be divided into 2 channels of 8-bit timer <3> Clock source selectable from system clock, OSC0, OSC1, and external events ● Timer 3: 16-bit timer that shpports PWM/toggle outputs <1> 8-bit prescaler <2> 8-bit timer 2ch or 8-bit timer+8-bit PWM mode selectable <3> Clock source selectable from system clock, OSC0, OSC1, and external events ● Timer 4: 16-bit timer that supports toggle outputs <1> Clock source selectable from system clock and prescaler 0 ● Timer 5: 16-bit timer that supports toggle output <1> Clock source selectable from system clock and prescaler 0 ● Timer 6: 16-bit timer that supports toggle outputs <1> Clock source selectable from system clock and prescaler 1 ● Timer 7: 16-bit timer that supports toggle output <1> Clock source selectable from system clock and prescaler 1 *Prescaler 0 and 1 are consisted of 4bits and can choose their clock source from OSC0 or OSC1. ● Base timer <1> Clock may be selected from OSC0 (32.768 kHz crystal oscillator) and frequency-divided output of system clock. <2> Interrupts can be generated in 7 timing schemes. www.onsemi.com 2 LC88FC2D0B Real time clock <1> Calender with Jan. 1, 2000 to Dec.31, 2799 including automatic leapyear calculation function. <2> Consisted of Indipendent second-minuit-hour-day-month-yeare-century counters. Serial interfaces ● SIO0: 8-bit synchronous SIO <1> LSB first/MSB first mode selectable <2> Supports data communication with a data length of 8 bits or less (1 to 8 bits specifiable) <3> Built-in 8-bit baudrate generator (4 tCYC to 512 tCYC transfer clocks) <4> Continuous/automatic data transmission (9- to 32768-bit units specifiable) <5> Interval function (intervals specifiable in 0 to 64tSCK units) <6> Wakeup function ● SIO1: 8-bit synchronous SIO <1> LSB first/MSB first mode selectable <2> Supports data communication with a data length of 8 bits or less (1 to 8 bits specifiable) <3> Built-in 8-bit baudrate generator (4 tCYC to 512 tCYC transfer clocks) <4> Continuous/automatic data transmission (9- to 32768-bit units specifiable) <5> Interval function (intervals specifiable in 0 to 64tSCK units) <6> Wakeup function ● SIO4: 8-bit synchronous SIO <1> LSB first/MSB first mode selectable <2> Supports data communication with a data length of 8 bits or less (1 to 8 bits specifiable) <3> Built-in 8-bit baudrate generator (4 tCYC to 512 tCYC transfer clocks) <4> Continuous/automatic data transmission (9- to 32768-bit units specifiable) <5> Interval function (intervals specifiable in 0 to 64tSCK units) <6> Wakeup function 2 ● SMIIC0: Single master I C/8-bit synchronous SIO Mode 0: Single-master mode communication Mode 1: Synchronous 8-bit serial I/O (MSB first) 2 ● SMIIC1: Single master I C/8-bit synchronous SIO Mode 0: Single-master mode communication Mode 1: Synchronous 8-bit serial I/O (MSB first) 2 ● SLIIC0: Slave I C/8-bit synchronous SIO 2 Mode 0: I C slave mode communication Mode 1: Synchronous 8-bit serial I/O (MSB first) Note: usable only with the external clock source ● UART0 <1> Data length : 8 bits (LSB first) <2> Start bits : 1 bit <3> Stop bits : 1 bit <4> Parity bits : None/even parity/odd parity <5> Transfer rate : 4/8 cycle <6> Baudrate source clock: P07 input signal used as a 1 cycle signal (T0PWMH can be used as a clock source) or Timer4 cycle. <7> Full duplex communication Note: The “cycle” refers to one period of the baudrate clock source. ● UART2 <1> Data length : 8 bits (LSB first) <2> Start bits : 1 bit <3> Stop bits : 1/2 bit <4> Parity bits : None/even parity/odd parity <5> Transfer rate : 8 to 4096 cycle <6> Baudrate source clock: System clock/OSC0/OSC1/P26 input signal <7> Wakeup function <8> Full duplex communication Note: The “cycle” refers to one period of the baudrate clock source. www.onsemi.com 3 LC88FC2D0B ● UART3 <1> Data length : 8 bits (LSB first) <2> Start bits : 1 bit <3> Stop bits : 1/2 bit <4> Parity bits : None/even parity/odd parity <5> Transfer rate : 8 to 4096 cycle <6> Baudrate source clock: System clock/OSC0/OSC1/P36 input signal <7> Wakeup function <8> Full duplex communication Note: The “cycle” refers to one period of the baudrate clock source. AD converter <1> 12/8 bits resolution selectable <2> Analog input: 16 channels <3> Comparator mode PWM ● PWM0: Multifrequency 12-bit PWM 2 channels (PWM0A and PWM0B) <1> 2-channel pairs controlled independently of one another <2> Clock source selectable from system clock or OSC1 <3> 8-bit prescaler: TPWMR0= (prescaler value + 1) clock period <4> 8-bit fundamental wave PWM generator circuit + 4-bit additional pulse generator circuit <5> Fundamental wave PWM mode Fundamental wave period : 16 TPWMR0 to 256 TPWMR0 High pulse width : 0 to (Fundamental wave period - TPWMR0) <6> Fundamental wave + additional pulse mode Fundamental wave period : 16 TPWMR0 to 256 TPWMR0 Overall period : Fundamental wave period 16 High pulse width : 0 to (Fundamental wave period - TPWMR0) CRC operating circuit Watchdog timer <1> Driven by the base timer + internal watchdog timer dedicated counter <2> Interrupt or reset mode selectable Infrared Remote Controller Receiver Circuit 1) Noise rejection function (noise filter time constant: Approx. 120s when the 32.768kHz crystal oscillator is selected as the reference clock source) 2) Supports data encording systems such as PPM (Pulse Position Modulation) and Manchester encording 3) X’tal HOLD mode release function Internal Reset Function ●Power-on reset (POR) function 1) POR reset is generated only at power-on time. 2) The POR release level can be selected through option configuration. ●Low-voltage detection reset (LVD) function 1) LVD and POR functions are combined to generate resets when power is turned on and when power voltage falls below a certain level. 2) The use/disuse of the LVD function and the low voltage threshold level can be selected by option configuration. Interrupts (peripheral function)) ● 61 sources (33 modules), 14 vector addresses <1> Provides three levels (low (L), high (H), and highest (X)) of multiplex interrupt control. Any interrupt requests of the level equal to or lower than the current interrupt are not accepted. <2> When interrupt requests to two or more vector addresses occur at the same time, the interrupt of the highest level takes precedence over the other interrupts. For interrupts of the same level, the interrupt into the smallest vector address takes precedence. www.onsemi.com 4 LC88FC2D0B No. Vector Address Interrupt Module 1 08000H Watchdog timer (1) 2 08004H Base timer (2) 3 08008H Timer 0 (2) 4 0800CH INT0 (1) 5 08014H INT1 (1) 6 08018H INT2 (1)/timer 1 (2)/UART2 (4) 7 0801CH INT3 (1)/timer 2 (4)/SMIIC0 (1)/SLIIC1 (1) 8 08020H INT4 (1)/timer 3 (2)/Infared remote control receiver(4) 9 08024H INT5 (1)/timer 4 (1)/SIO1 (2) 10 0802CH PWM0 (1)/SMIIC1(1) 11 08030H ADC (1)/timer 5 (1)/SIO4(2) 12 08034H INT6 (1)/timer 6 (1)/UART 3 (4) 13 08038H INT7 (1)/SIO0 (2)/SIO0(2) 14 0803CH Port 0 (3)/Port 5 (8)/RTC (1)/CRC (1) 3 priority levels selectable Of interrupts of the same level, the one with the smallest vector address takes precedence. ● A number enclosed in parentheses denotes the number of sources. ● ● Subroutine stack: RAM area ● Subroutine calls that automatically save PSW, interrupt vector calls: 6 bytes ● Subroutine calls that do not automatically save PSW: 4 bytes Multiplication/division instructions ● 16 bits × 16 bits (4 tCYC execution time) ● 16 bits : 16 bits (18 to 19 tCYC execution time) ● 32 bits : 16 bits (18 to 19 tCYC execution time) Oscillator circuits ● RC oscillator circuit (internal) ● CF oscillator circuit ( built-in Rf circuit ) ● Crystal oscillator circuit ( built-in Rf circuit ) ● SLRC oscillator circuit (internal) ● VCO oscillator circuit : For system clock : For system clock( OSC1 ) : For low-speed system clock (OSC0) : For system clock (In the case of exception processing) : For timer3, 4, 5, 6, 7 clock System clock divider function ● Can run on low current. ● 1/1 to 1/128 of the system clock frequency can be set. Standby function ● HALT mode: Halts instruction execution while allowing the peripheral circuits to continue operation. <1> Oscillation is not stopped automatically. <2> Released by a system reset or occurrence of an interrupt. ● HOLD mode: Suspends instruction execution and the operation of the peripheral circuits. <1> OSC1, RC, and OSC0 oscillations automatically stop. <2> There are six ways of releasing the HOLD mode: (1) Setting the reset pin to the low level (2) Setting at least one of the INT0, INT1, INT2, INT4, INT5, INT6, and INT7 pins to the specified level (3) Having an interrupt source established at port 0 (4) Having an interrupt source established at port 5 (5) Having an interrupt established at SIO0, SIO1 or SIO4 (6) Having an interrupt established at UART2 or UART3 www.onsemi.com 5 LC88FC2D0B ● HOLDX mode: Suspends instruction execution and the operation of the peripheral circuits except those which run on OSC0. <1> OSC1 and RC oscillations automatically stop. <2> OSC0 maintains the state that is established when the HOLDX mode is entered. <3> There are nine ways of releasing the HOLDX mode. (1) Setting the reset pin to the low level (2) Setting at least one of the INT0, INT1, INT2, INT4, INT5, INT6,and INT7 pins to the specified level (3) Having an interrupt source established at port 0 (4) Having an interrupt source established at port 5 (5) Having an interrupt source established at the base timer circuit (6) Having an interrupt established at SIO0, SIO1 or SIO4 (7) Having an interrupt established at UART2 or UATR3 (8) Having an interrupt established at Infared remote control receiver. (9) Having an interrupt source established at the real time clock circuit On-chip debugger function ● Supports software debugging with the IC mounted on the target board. ● Supports source line debugging and tracing functions, and breakpoint setting and real time display. ● Single-wire communication Package form ● TQFP100, 14 14 : Pb-Free and Halogen Free type Development tools ● On-chip debugger: EOCUIF1 or EOCUIF2 + LC88FC2D0B Programming board Package TQFP100,14 14 Programming Board W88F52TQ Flash ROM Programmer Maker Flash Support Group Company (FSG) + ON Semiconductor ( Note 1 ) ON Semiconductor Model On-board Single / Gang programmer AF9101/AF9103(Main budy) ( FSG models ) SIB88 Type A (Interface driver ) (ON Semiconductor model) Single / Gang programmer SKK Type C (SanyoFWS) On-board Single programmer FWS-X16DI Type 2 Supported Version ( Note 2) Application Version After 1.08 Chip Data Version After 2.46 Application Version After 1.08 Chip Data Version After 2.45 Device LC88FC2H0 LC88FC2H0 LC88FC2H0 For information about AF-Series: Flash Support Group Company. (TOA ELECTRONICS, Inc.) TEL: +81-53-459-1050 E-mail: [email protected] Note1: On-board-programmer from FSG (AF9101/AF9103) and serial interface driver from our company (SIB88-TypeA) together can give a PC-less, standalone on-board-programming capabilities. Note2: It needs a special programming devices and applications depending on the use of programming environment. Please ask FSG or our company for the information. www.onsemi.com 6 LC88FC2D0B Package Dimensions unit : mm TQFP 100, 14x14 CASE 932AN-01 ISSUE O www.onsemi.com 7 LC88FC2D0B PB5/SM1DA PB4/SM1CK PB3 PB2 PB1 PB0 P37/T7O P36/T6O P35/U3TX P34/U3RX P33/INT3 P32/INT2/RMIN P31/INT1 P30/INT0 P07/T0PWMH/U0BRG P06/T0PWML P05/P05INT P04/P04INT P03/P0INT P02/P0INT P01/P0INT P00/P0INT VSS3 VDD3 P40/INT6 Pin Assignment 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 LC88FC2D0B 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 P41/INT7 P42 P43/SO1 P44/SI1/SB1 P45/SCK1 P46/PWM0A P47/PWM0B P27 P26/T5O P25/T4O P24/SM0DO P23/SM0DA P22/SM0CK VDD2 VSS2 P21/INT5 P20/INT4 PD5 PD4 PD3 PD2 PD1 PD0 P17/U2TX P16/U2RX 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 P55/P5INT5 P56/P5INT6 P57/P5INT7 TEST RESB PC0/XT1 PC1/XT2 VSS1 PC3/CF1 PC4/CF2 VDD1 P60/AN0 P61/AN1 P62/AN2 P63/AN3 P64/AN4 P65/AN5 P66/AN6 P67/AN7 P10/SO0 P11/SI0/SB0 P12/SCK0 P13/U0TX P14/T3OL/U0RX P15/T3OH PB6/SM1DO P70/AN8 P71/AN9 P72/AN10 P73/AN11 P74/AN12 P75/AN13 P76/AN14 P77/AN15 VSS4 VDD4 PA0/SO4 PA1/SI4/SB4 PA2SCK4 PA3/SCS4 PA4/SL0CK PA5/SL0DA PA6/SL0DO PA7 PC2/FILT P50/P5INT0 P51/P5INT1 P52/P5INT2 P53/P5INT3 P54/P5INT4 Top view TQFP100,14x14 (Pb-Free and Halogen Free type) www.onsemi.com 8 LC88FC2D0B System Block Diagram Base timer Watchdog timer FLASH ROM Xstromy16 CPU Timer 0 RAM Timer 1 On-chip debugger Timer 2 Port 0 PLL Timer 3 Port 1 Port 2 Timer 5 Port 3 CF RC X’tal Timer 6 Port 4 Low speed RC Timer 7 Port 5 SIO0 Port 6 SIO1 Port 7 SIO4 Port A SMIIC0 Port B SMIIC1 SLIIC0 UART0 Port C Port D INT0 to INT7 UART2 AD UART3 DA PWM0 Remote control receiver circuit RTC CRC www.onsemi.com 9 LVD/POR Clock generator VCO Timer 4 LC88FC2D0B Pin Description Pin Name I/O VSS1, VSS2, VSS3, VSS4 VDD1, VDD2, VDD3, VDD4 Port 0 – – power sources – +power sources I/O I/O P10 to P17 Port 2 P20 to P27 8-bit I/O port I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● HOLD release input (P00 to P03, P04, P05) ● Port 0 interrupt input (P00 to P03, P04, P05) ● Pin functions P06: Timer 0L output P07: Timer 0L output/UART0 clock input ● 8-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● Pin functions P10: SIO0 data output P11: SIO0 data input/pulse input/output P12: SIO0 clock input/output P13: UART0 transmit P14: Timer 3L output/UART0 receive P15: Timer 3H output P16: UART2 receive P17: UART2 transmit ● 8-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● Pin functions P20: INT4 input/HOLD release input/timer 3 event input/ timer 2L capture input/timer 2H capture input P21: INT5 input/HOLD release input/timer 3 event input/ timer 2L capture input/timer 2H capture input P22: SMIIC0 clock input/output P23: SMIIC0 bus input/output/data input P24: SMIIC0 data output (used in 3-wire SIO mode) P25: Timer 4 output P26: Timer 5 output Interrupt acknowledge type INT4, INT5: H level, L level, H edge, L edge, both edges ● ● P00 to P07 Port 1 Description I/O Continued on next page. www.onsemi.com 10 LC88FC2D0B Continued from preceding page. Pin Name Port 3 I/O I/O P30 to P37 Port 4 I/O P40 to P47 Port 5 I/O P50 to P57 Port 6 I/O P60 to P67 Port 7 P70 to P77 I/O Description 8-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● Pin functions P30: INT0 input/HOLD release/timer 2L capture input P31: INT1 input/HOLD release/timer 2H capture input P32: INT2 input/HOLD release/timer 2 event input/timer 2L capture input/ Infrared Remote Controller Receiver input P33: INT3 input/HOLD release/timer 2 event input/timer 2H capture input P34: UART3 receive P35: UART3 transmit P36: Timer 6 output P37: Timer 7 output Interrupt acknowledge type INT0 to INT3: H level, L level, H edge, L edge, both edges ● 8-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● Pin functions P40: INT6 input/HOLD release input P41: INT7 input/HOLD release input P43: SIO1 data output P44: SIO1 data input/bus input/output P45: SIO1 clock input/output P46: PWM0A output P47: PWM0Boutput Interrupt acknowledge type INT6, INT7: H level, L level, H edge, L edge, both edges ● 8-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● HOLD release input ● Port 0 interrupt input ● 8-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● Pin functions AN0 (P60) to AN7 (P67): AD converter input port ● 8-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● Pin functions AN8 (P70) to AN15 (P77): AD converter input port ● Continued on next page. www.onsemi.com 11 LC88FC2D0B Continued from preceding page. Pin Name I/O Description Port A I/O ● PA0 to PA7 Port B I/o PB0 to PB6 Port C I/O PC0 to PC4 Port D 8-bit I/O port I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● Multiplexed pin functions PA0: SIO4 data output PA1: SIO4 data input/pulse input/output PA2: SIO4 clock input/output PA3: SIO4 chip select input PA4: SLIIC0 clock input PA5: SLIIC0 bus input/output/data input PA6: SLIIC0 data output (used in 3-wire SIO mode) ● 7-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● Multiplexed pin functions PB4: SMIIC1 clock input/output PB5: SMIIC1 bus input/output/data input PB6: SMIIC1 data output (used in 3-wire SIO mode) ● 5-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units(PC2) ● Pin functions PC0: 32.768 kHz crystal oscillator input PC1: 32.768 kHz crystal oscillator output PC2: FILT of VCO PC3: Ceramic oscillator input PC4: Ceramic oscillator output/VCO output ● 6-bit I/O port ● I/O specifiable in 1-bit units ● Pull-up resistors can be turned on and off in 1 bit units ● TEST pin ● Used to communicate with on-chip debugger. ● Connects an external 100 kΩ pull-down resistor. ● I/O PD0 to PD5 TEST I/O RESB I/O Reset pin www.onsemi.com 12 LC88FC2D0B Port Output Types The table below lists the types of port outputs and the presence/absence of a pull-up resistor. Data can be read into any input port even if it is in the output mode. Port Name P00 to P07 Option Selected in Units of 1 bit P10 to P17 P20 to P27 P30 to P37 P40 to P47 P50 to P57 P60 to P67 P70 to P77 PA0 to PA7 PB0 to PB6 P60 to P67 P70 to p77 PD0 to PD5 PC2 PC0 PC1 PC3 PC4 Output Type Pull-up Resistor CMOS Programmable Able to program special functions’output type from CMOS output or Nch-opendrain CMOS N-channel open drain (32.768 kHz crystal oscillator input) Nch-open drain (32.768k kHz crystal oscillator output) CMOS (ceramic oscillator input) CMOS (ceramic oscillator output) None None None None * Make the following connection to minimize the noise input to the VDD1 pin and prolong the backup time. Be sure to electrically short the VSS1, VSS2, VSS3 and VSS4 pins. Example 1: When data is being backed up in the HOLD mode, the H level signals to the output ports are fed by the backup capacitors. LSI VDD1 Power supply For buckup VDD2 VDD3 VDD4 VSS1 VSS2 VSS3 VSS4 www.onsemi.com 13 LC88FC2D0B Example 2: When data is being backed up in the HOLD mode, the H level output at any ports is not sustained and is unpredictable. LSI VDD1 Power supply For buckup VDD2 VDD3 VDD4 VSS1 VSS2 VSS3 VSS4 www.onsemi.com 14 LC88FC2D0B ■ Absolute Maximum Ratings at Ta=25C, VSS1=VSS2=VSS3=VSS4=0V Parameter Symbol Maximum supply VDD max voltage Applicable Pin /Remarks VDD1, VDD2, VDD3, VDD4 Input voltage VI (1) Input/output voltage VIO (1) Conditions VDD1=VDD2=VDD3 = VDD4 RESB Specification VDD [V] min typ max 0.3 +4.6 0.3 VDD+0.3 unit V Ports 0, 1, 2 Ports 3, 4,5 0.3 Ports 6, 7 VDD+0.3 Ports A, B, C, D High level output current Peak output IOPH (1) current Ports 0, 1, 2, 3 P40 to P45 CMOS output selected Per applicable pin Ports 7, A, D 7.5 PB2 to PB6 IOPH (2) P46, P47 Per applicable pin PB0, PB1 IOPH (3) Port 5, 6 Per applicable pin PC0 to PC4 Average output IOMH (1) Ports 0, 1, 2, 3 current P40 to P45 (Note 1-1) Ports 5, 6, 7, A 12.5 4.5 CMOS output selected Per applicable pin 5 PB2 to PB6 Ports D IOMH (2) P46, P47 Per applicable pin PB0, PB1 IOMH (3) Port 5, 6 Per applicable pin PC0 to PC4 Total output IOAH (1) current Pprts 5 PC0 to PC4 IOAH (2) IOAH (3) Port 6 Port 5, 6 PC0 to PC4 IOAH (4) Ports 1,D1 P20 to P21 Note 1-1: IOAH (5) P22 to P27 IOAH (6) Ports 1, 2, D IOAH (7) Ports 4 IOAH (8) Ports 0, 3 IOAH (9) Ports 0, 3, 4 IOAH (10) Ports B, 7 IOAH (11) Ports A IOAH (12) Ports 7, A, B Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins 10 3 10 10 mA 20 20 20 40 20 20 40 20 20 40 Average output current refers to the average of output currents measured for a period of 100 ms. Continued on next page. www.onsemi.com 15 LC88FC2D0B Continued from preceding page. Low level output current Parameter Symbol Peak output IOPL (1) current Applicable Pin Conditions /Remarks Specification VDD [V] min typ max unit Per applicable pin Ports 0, 1, 3, 4 Ports 7, D P20, P21, P24 to P27 15 PA0 to PA4, PA6, PA7 PB0 to PB4, PB6, IOPL (2) Per applicable pin P22, P23 PA4, PA5 20 PB4, PB5 IOPL (3) Per applicable pin Ports 5, 6 7.5 PC0 to PC4 Average output IOML (1) current Per applicable pin Ports 0, 1, 3, 4 Ports 7, D (Note 1-1) P20, P21, P24 to P27 12.5 PA0 to PA4, PA6, PA7 PB0 to PB4, PB6, PB7 IOML (2) P22, P23 Per applicable pin PA4, PA5 15 PB4, PB5 IOML (3) Ports 5, 6 Per applicable pin 5 PC0 to PC4 Total output IOAL (1) current Ports 5 PC0 to PC2 IOAL (2) Port 6 PC3 to PC4 IOAL (3) Port 5, 6 PC0 to PC4 IOAL (4) Ports 1, D P20, P21 Allowable power IOAL (5) P22 to P27 IOAL (6) Ports 1, 2, D IOAL (7) Port 4 IOAL (8) Port 0, 3 IOAL (9) Port 0, 3, 4 IOAL (10) Port 7, B IOAL (11) Port A IOAL (12) Port 7, A, B Pd max dissipation TQFP100 Total of currents at applicable pins 10 Total of currents at applicable pins 10 Total of currents at applicable pins 20 Total of currents at applicable pins 35 Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins Total of currents at applicable pins mA 35 70 35 35 70 35 35 70 Ta=40 to +85C Package with thermal 460 resistance bord (Note mW 1-2) Operating ambient Topr 40 temperature Storage ambient +85 C Tstg 55 temperature +125 Note 1-1: Average output current refers to the average of output currents measured for a period of 100 ms. Note 1-2: SEMI standerds thermal resistance board ( size : 76.1 114.3 1.6 tmm, glass epoxy ) is used. Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. www.onsemi.com 16 LC88FC2D0B ■ Allowable Operating Conditions at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Parameter Symbol Applicable Pin/Remarks Operating supply VDD (1) VDD1= VDD2= VDD3 0.081stCYC66s voltage Specification VDD [V] 0.098stCYC66s (Note 2-1) Memory Conditions VHD min typ max 3.0 3.6 2.7 3.6 2.0 3.6 unit VDD1= VDD2= VDD3 RAM and register contents sustaining supply sustained in HOLD mode voltage High level input VIH (1) voltage Ports 0, 1, 2, 3, 4 2.7 to 3.6 Port 5, A, B VIH (2) VIH (3) Ports 6, 7, D,PC2 2.7 to 3.6 RESB PC0, PC1, PC3, PC4 VIH (4) P22, P23, PA4, PA5, PB4, PB5 I2C side Low level input VIL (1) voltage 0.3VDD +0.7 0.3VDD +0.7 VDD VDD 2.7 to 3.6 0.75VDD VDD 2.7 to 3.6 0.7VDD VDD 2.7 to 3.6 VSS 0.2VDD 2.7 to 3.6 VSS 0.2VDD 2.7 to 3.6 VSS 0.25VDD 2.7 to 3.6 VSS 0.3VDD 3.0 to 3.6 0.081 66 2.7 to 3.6 0.098 66 3.0 to 3.6 0.1 12 2.7 to 3.6 0.1 10 3.0 to 3.6 0.2 24 2.7 to 3.6 0.2 20 V When ports 1, 2, 3, 4, 5, A and port B, PnFSAn=0 Ports 0, 6, 7, D, PC2 VIL (2) When ports 1, 2, 3, 4, 5, A and port B, PnFSAn=1 VIL (3) CF1, RESB PC0, PC1,PC3, PC4 VIL (4) P22, P23, PA4, PA5, PB4, PB5 I2C side Instruction cycle tCYC time (Note 2-2) External system clock frequency FEXCF (1) CF1 CF2 pin open System clock frequency s division ratio = 1/1 External system clock DUTY505% CF2 pin open System clock frequency division ratio = 1/2 MHz Note 2-1: Relationship between tCYC and oscillation frequency is 1/FmCF when frequency division ratio is 1/1 and 2/FmCF when the ratio is 1/2. Continued on next page. www.onsemi.com 17 LC88FC2D0B Continued from preceding page. Parameter Oscillation Symbol FmCF (1) frequency range Applicable Pin /Remarks PC3 (CF1), PC4 (CF2) (Note 2-3) FmCF (2) PC3(CF1), PC4(CF2) FmRC FmSLRC FsX'tal FmVCO(1) FmVCO(2) FmVCO(5) XT1, XT2 Conditions 12 MHz ceramic oscillator mode See Fig. 1. 10 MHz ceramic oscillator mode See Fig. 1. Internal RC oscillation Internal low-speed RC oscillation 32.768 kHz crystal oscillator mode See Fig. 2. VCO oscillator When setting FRQSEL=0 See Fig. 9. VCO oscillator When setting FRQSEL=1 See Fig. 9. VCO oscillator Specification VDD [V] min typ 3.0 to 3.6 12 2.7 to 3.6 10 max unit MHz 2.7 to 3.6 0.5 1.0 2.0 2.7 to 3.6 18 30 45 kHz 2.7 to 3.6 32.768 2.7 to 3.6 12 28 2.7 to 3.6 38 70 2.7 to 3.6 MHz Note 2-3 Note 2-2: See Tables 1 and 2 for oscillator constant values. Note 2-3: VCO oscillation frequency = Ceramic oscillator frequency Setting point of SELREF Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. www.onsemi.com 18 LC88FC2D0B ■ Electrical Characteristics at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Parameter High level input Symbol IIH (1) current Applicable Pin /Remarks Ports 0, 1, 2 Ports 3, 4, 5 Ports 6, 7 Ports A, B,C, D RESB Low level input IIL (1) current Ports 0, 1, 2 Ports 3, 4, 5 Ports 6, 7 Ports A, B, C, D RESB High level output VOH (1) Ports 0, 1, 2, 3 voltage Conditions Output disabled Pull-up resistor off VIN=VDD (including output Tr. off leakage current) Output disabled Pull-up resistor off VIN=VSS (including output Tr. off leakage current) IOH=0.4mA Ports 5, 6 VOH (2) Ports A, D, PC2 P40 to P45 Specification VDD [V] min typ 2.7 to 3.6 max unit 1 A 2.7 to 3.6 1 3.0 to 3.6 VDD0.4 2.7 to 3.6 VDD0.4 IOH=0.2mA PB2 to PB6 Low level output VOH (3) P46, P47 IOH=1.6mA 3.0 to 3.6 VDD0.4 VOH (4) PB0, PB1 IOH=1.0mA 2.7 to 3.6 VDD0.4 VOH (5) PC0, PC1, IOH=1.0mA PC3, PC4, VOH (6) 3.0 to 3.6 VDD0.4 IOH=0.4mA 2.7 to 3.6 VDD0.4 VOL (1) Ports 0, 1, 3 , 4 IOL=1.6mA voltage Ports 5, 6, 7, D PC2 VOL (2) P20 to P21, P24 to P27 V 3.0 to 3.6 0.4 2.7 to 3.6 0.4 3.0 to 3.6 0.4 2.7 to 3.6 0.4 IOL=1.0mA PA0 to PA3 PA6 to PA7 PB0 to PB3, PB6 Pull-up resistor VOL (3) P22, P23, IOL=3.0mA VOL (4) PA4, PA5, PB4, PB5 IOL=1.3mA VOL (5) PC0, PC1, IOL=1.0mA PC3, PC4, VOL (6) 3.0 to 3.6 0.4 IOL=0.4mA 2.7 to 3.6 0.4 Rpu (1) VOH=0.9VDD Ports 0, 1, 2, 3 Ports 4, 5, 6, 7 Hysteresis voltage Rpu (2) Ports A, B, D, PC2 VHYS RESB When ports 1, 2, 3, 4, A, B 3.0 to 3.6 15 35 80 2.7 to 3.6 15 35 100 k 2.7 to 3.6 0.1VDD V 2.7 to 3.6 10 pF PnFSAn=1 Pin capacitance CP All pins Pins other than that under test VIN=VSS f=1 MHz Ta=25C Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. www.onsemi.com 19 LC88FC2D0B ■ Serial I/O Characteristics at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V 1-1. Serial I/O Characteristics (Wakeup Function Disabled) (Note 4-1-1) Symbol Period tSCK (1) Input clock Serial clock Parameter Low level Applicable Pin/Remarks SCK0 (P12) Conditions Specification VDD [V] See Fig. 6. pulse width tSCKH (1) Automatic communication tSCKHBSY mode See Fig. 6. Automatic communication tSCKHBSY (1b) Output clock Low level SCK0 (P12) 2.7 to 3.6 6 tCYC mode See Fig. 6. Mode other than automatic communication mode See Fig. 6. CMOS output selected See Fig. 6. 23 4 4 tSCKL (2) 1/2 pulse width High level tSCK tSCKH (2) 1/2 pulse width tSCKHA (2) Automatic communication tSCKHBSY mode CMOS output selected See Fig. 6. Automatic communication tSCKHBSY (2b) Serial input tsDI (1) SI0 (P11), SB0 (P11) Data hold time 2.7 to 3.6 mode CMOS output selected See Fig. 6. Mode other than automatic (2a) Data setup time unit 2 tSCKHA (1) tSCK (2) max 2 (1a) Period typ 4 tSCKL (1) pulse width High level min thDI (1) 4 communication mode See Fig. 6. Specified with respect to rising edge of SIOCLK See Fig. 6. 6 23 tCYC 4 0.03 2.7 to 3.6 0.03 Input clock Serial output Output delay tdD0 (1) time SO0 (P10), (Note 4-1-2) SB0 (P11) 1tCYC +0.05 Output clock tdDO (2) (Note 4-1-2) s 2.7 to 3.6 1tCYC +0.05 Note 4-1-1: These specifications are theoretical values. Add margin depending on its use. Note 4-1-2: Specified with respect to the falling edge of SIOCLK. Specified as the interval up to the time an output change begins in the open drain output mode. See Fig. 6. www.onsemi.com 20 LC88FC2D0B 1-2. SIO0 Serial Input/Output Characteristics (Wakeup Function Enabled) (Note 4-2-1) Symbol Period tSCK (3) Input clock Serial clock Parameter Low level Applicable Pin/Remarks Conditions Specification VDD [V] SCK0 (P12) See Fig. 6. pulse width tSCKL (3) Serial input Data hold time max unit 1 2.7 to 3.6 tSCKH (3) tCYC 1 tSCKHBSY 2 (3) Data setup time typ 2 pulse width High level min tsDI (2) SI0 (P11), Specified with respect to SB0 (P11) rising edge of SIOCLK See Fig. 6. thDI (2) 0.03 2.7 to 3.6 0.03 Input clock Serial output Output delay time tdD0 (3) SO0 (P10), s (Note 4-2-2) SB0 (P11) 2.7 to 3.6 1tCYC +0.05 Note 4-2-1: These specifications are theoretical values. Add margin depending on its use. Note 4-2-2: Specified with respect to the falling edge of SIOCLK. Specified as the interval up to the time an output change begins in the open drain output mode. See Fig. 6. www.onsemi.com 21 LC88FC2D0B 2-1. SIO1 Serial Input/Output Characteristics (Wakeup Function Disabled) (Note 4-3-1) Parameter Symbol Input clock Serial clock Period tSCK (4) Low level tSCKL (4) Applicable Pin/Remarks Conditions Specification VDD [V] SCK1 (P45) See Fig. 6. pulse width 2 mode See Fig. 6. 2.7 to 3.6 tSCKHBSY Automatic communication (4a) mode See Fig. 6. tSCKHBSY Mode other than automatic (4b) communication mode See Fig. 6. Output clock Low level tSCKL (5) 6 tCYC 23 4 SCK1 (P45) CMOS output selected See Fig. 6. 4 1/2 pulse width High level unit Automatic communication tSCKHA (4) tSCK (5) max 2 tSCKH (4) Period typ 4 pulse width High level min tSCK tSCKH (5) 1/2 pulse width Automatic communication tSCKHA (5) mode CMOS output selected 2.7 to 3.6 6 See Fig. 6. tSCKHBSY Automatic communication (5a) mode CMOS output selected 4 23 tCYC See Fig. 6. Serial input Data setup time Data hold time tSCKHBSY Mode other than automatic (5b) communication mode See Fig. 6. tsDI (3) SI1 (P44), Specified with respect to SB1 (P44) rising edge of SIOCLK See Fig. 6. thDI (3) 4 0.03 2.7 to 3.6 0.03 Input clock Serial output Output delay tdD0 (4) time SO1 (P43), (Note 4-3-2) SB1 (P44) 1tCYC +0.05 Output clock tdDO (5) (Note 4-3-2) s 2.7 to 3.6 1tCYC +0.05 Note 4-3-1: These specifications are theoretical values. Add margin depending on its use. Note 4-3-2: Specified with respect to the falling edge of SIOCLK. Specified as the interval up to the time an output change begins in the open drain output mode. See Fig. 6. www.onsemi.com 22 LC88FC2D0B 2-2. SIO1 Serial Input/Output Characteristics (Wakeup Function Enabled) (Note 4-4-1) Parameter Symbol Input clock Serial clock Period tSCK (6) Low level tSCKL (6) Applicable Pin/Remarks Conditions Specification VDD [V] SCK1 (P45) See Fig. 6. pulse width Serial input Data hold time max unit 1 2.7 to 3.6 tSCKH (6) tCYC 1 tSCKHBSY 2 (6) Data setup time typ 2 pulse width High level min tsDI (4) SI1 (P44), Specified with respect to SB1 (P44) rising edge of SIOCLK See Fig. 6. thDI (4) 0.03 2.7 to 3.6 0.03 Input clock Serial output Output delay time tdD0 (6) SO1 (P43), s (Note 4-4-2) SB1 (P44) 2.7 to 3.6 1tCYC +0.05 Note 4-4-1: These specifications are theoretical values. Add margin depending on its use. Note 4-4-2: Specified with respect to the falling edge of SIOCLK. Specified as the interval up to the time an output change begins in the open drain output mode. See Fig. 6. www.onsemi.com 23 LC88FC2D0B 3-1. SIO4 Serial Input/Output Characteristics (Wakeup Function Disabled) (Note 4-5-1) Parameter Symbol Input clock Serial clock Period tSCK (7) Low level tSCKL (7) Applicable Pin/Remarks Conditions Specification VDD [V] SCK4 (PA2) See Fig. 6. pulse width 2 mode See Fig. 6. 2.7 to 3.6 tSCKHBSY Automatic communication (7a) mode See Fig. 6. tSCKHBSY Mode other than automatic (7b) communication mode See Fig. 6. Output clock Low level tSCKL (8) 6 tCYC 23 4 SCK4 (PA2) CMOS output selected See Fig. 6. 4 1/2 pulse width High level unit Automatic communication tSCKHA (7) tSCK (8) max 2 tSCKH (7) Period typ 4 pulse width High level min tSCK tSCKH (8) 1/2 pulse width Automatic communication tSCKHA (8) mode CMOS output selected 2.7 to 3.6 6 See Fig. 6. tSCKHBSY Automatic communication (8a) mode CMOS output selected 4 23 tCYC See Fig. 6. Serial input Data setup time Data hold time tSCKHBSY Mode other than automatic (8b) communication mode See Fig. 6. tsDI (5) SI4 (PA1), Specified with respect to SB4 (PA1) rising edge of SIOCLK See Fig. 6. thDI (5) 4 0.03 2.7 to 3.6 0.03 Input clock Serial output Output delay tdD0 (7) time SO4 (PA0), (Note 4-5-2) SB14(PA1) 1tCYC +0.05 Output clock tdDO (8) (Note 4-5-2) s 2.7 to 3.6 1tCYC +0.05 Note 4-5-1: These specifications are theoretical values. Add margin depending on its use. Note 4-5-2: Specified with respect to the falling edge of SIOCLK. Specified as the interval up to the time an output change begins in the open drain output mode. See Fig. 6. www.onsemi.com 24 LC88FC2D0B 3-2. SIO4 Serial Input/Output Characteristics (Wakeup Function Enabled) (Note 4-6-1) Parameter Symbol Input clock Serial clock Period tSCK (9) Low level tSCKL (9) Applicable Pin/Remarks Conditions Specification VDD [V] SCK4 (P45) See Fig. 6. pulse width Serial input Data hold time max unit 1 2.7 to 3.6 tSCKH (9) tCYC 1 tSCKHBSY 2 (9) Data setup time typ 2 pulse width High level min tsDI (6) SI4 (P44), Specified with respect to SB4 (P44) rising edge of SIOCLK See Fig. 6. thDI (6) 0.03 2.7 to 3.6 0.03 Input clock Serial output Output delay time tdD0 (9) SO4 (P43), s (Note 4-6-2) SB4(P44) 2.7 to 3.6 1tCYC +0.05 Note 4-6-1: These specifications are theoretical values. Add margin depending on its use. Note 4-6-2: Specified with respect to the falling edge of SIOCLK. Specified as the interval up to the time an output change begins in the open drain output mode. See Fig. 6. www.onsemi.com 25 LC88FC2D0B 4-1. SMIIC0 Simple SIO Mode Input/Output Characteristics Parameter Input clock Serial clock Period Symbol tSCK (10) Applicable Pin/Remarks SM0CK Conditions Specification VDD [V] See Fig. 6. tSCKL (10) 2.7 to 3.6 pulse width High level Output clock Low level tSCK (11) SM0CK CMOS output selected (P22) See Fig. 6. tSCKL (11) 2 4 2.7 to 3.6 1/2 tSCK tSCKH (11) 1/2 pulse width Serial input Data setup time Data hold time thDI (7) Serial output tsDI (7) Output delay time tdD0 (10) unit 2 pulse width High level max tCYC tSCKH (10) pulse width Period typ 4 (P22) Low level min SM0DA Specified with respect to (P23), rising edge of SIOCLK See Fig. 6. 0.03 SM0DO Specified with respect to (P24), falling edge of SIOCLK SM0DA Specified as interval up to (P23) 0.03 2.7 to 3.6 time when output state starts s 2.7 to 3.6 changing. See Fig. 6. Note 4-7-1: These specifications are theoretical values. Add margin depending on its use. www.onsemi.com 26 1tCYC +0.05 LC88FC2D0B 4-2. SMIIC0 I2C Mode Input/Output Characteristics Parameter Symbol Input clock Clock Period tSCL Applicable Pin/Remarks SM0CK Conditions Specification VDD [V] See Fig. 8. tSCLL 2.7 to 3.6 pulse width High level Output clock SM0CK (P22) Low level Specified as interval up to 2.5 changing. tSCLLx 10 time when output state starts 1/2 2.7 to 3.6 pulse width High level tSCL tSCLHx 1/2 pulse width SM0CK and SM0DA tsp SM0CK (P22) See Fig. 8. SM0DA (P23) pins input spike unit 2 pulse width tSCLx max Tfilt tSCLH Period typ 5 (P22) Low level min 2.7 to 3.6 1 Tfilt suppression time Input tBUF SM0CK (P22) tBUFx Bus release time 2.5 SM0CK (P22) Standard clock mode SM0DA (P23) Specified as interval up to time when output state starts 2.7 to 3.6 changing. between start and Output stop See Fig. 8. SM0DA (P23) tHD;STA SM0CK (P22) SM0DA (P23) changing. When SMIIC register control bit, 2.0 I2CSHDS=0 Input See Fig. 8. Tfilt When SMIIC register control bit 2.5 I2CSHDS=1 Start/restart See Fig. 8. tHD;STAx time μs 1.6 time when output state starts condition hold 5.5 High-speed clock mode Specified as interval up to SM0CK (P22) Standard clock mode SM0DA (P23) Specified as interval up to 2.7 to 3.6 4.1 time when output state starts Output changing. High-speed clock mode μs Specified as interval up to 1.0 time when output state starts Input tSU;STA SM0CK (P22) changing. See Fig. 8. 1.0 SM0DA (P23) tSU;STAx Tfilt SM0CK (P22) Standard clock mode SM0DA (P23) Specified as interval up to time when output state starts setup time changing. Output Restart condition 5.5 2.7 to 3.6 μs High-speed clock mode Specified as interval up to time when output state starts changing. www.onsemi.com 27 Tfilt 1.6 LC88FC2D0B Parameter Symbol tSU;STO Input tSU;STOx Stop condition setup time Output tHD;DAT Input Data hold time Output Input Output tSU;DATx tF Input tF Output SM0CK and SM0DA pins fall time SM0CK (P22) SM0DA (P23) Conditions Specification VDD [V] max Unit Tfilt 4.9 s 1.1 0 Tfilt 1 1.5 See Fig. 8. 1 SM0CK (P22) Specified as interval up to time when output state starts SM0DA (P23) changing. SM0CK (P22) SM0DA (P23) typ 1.0 SM0CK (P22) Standard clock mode SM0DA (P23) Specified as interval up to 2.7 to 3.6 time when output state starts changing. High-speed clock mode Specified as interval up to time when output state starts changing. SM0CK (P22) See Fig. 8. SM0DA (P23) SM0CK (P22) SM0DA (P23) Min See Fig. 8. 2.7 to 3.6 tHD;DATx SM0CK (P22) Specified as interval up to time when output state starts SM0DA (P23) changing. tSU;DAT Data setup time Applicable Pin/Remarks 2.7 to 3.6 Tfilt 1tSCL1.5Tfilt See Fig. 8. 2.7 to 3.6 SM0CK (P22) When SMIIC register control bits SM0DA (P23) PSLW=1, P5V=1 SM0CK, SM0DA port output FAST mode Cb400pF 3 3.0 to 3.6 300 20+0.1Cb 250 ns 100 Note 4-8-1: These specifications are theoretical values. Add margin depending on its use. Note 4-8-2: The value of Tfilt is determined by the values of the register SMIC0BRG, bits 7 and 6 (BRP1, BRP0) and the system clock frequency. BRP1 BRP0 Tfilt 0 0 1 1 0 1 0 1 tCYC1 tCYC2 tCYC3 tCYC4 Set bits (BPR1, BPR0) so that the value of Tfilt falls between the following range: 250 ns ≥ Tfilt > 140 ns Note 4-8-3: Cb represents the total loads (in pF) connected to the bus pins. Cb 400 pF Note 4-8-4: The standard clock mode refers to a mode that is entered by configuring SMIC0BRG as follows: 250 ns ≥ Tfilt > 140 ns BRDQ (bit5) = 1 SCL frequency setting 100 kHz The high-speed clock mode refers to a mode that is entered by configuring SMIC0BRG as follows: 250 ns ≥ Tfilt > 140 ns BRDQ (bit5) = 0 SCL frequency setting 400 kHz www.onsemi.com 28 LC88FC2D0B 5-1. SMIIC1 Simple SIO Mode Input/Output Characteristics Parameter Input clock Serial clock Period Symbol tSCK (12) Applicable Pin/Remarks SM0CK Conditions Specification VDD [V] See Fig. 6. tSCKL (12) 2.7 to 3.6 pulse width High level Output clock Low level tSCK (13) SM0CK CMOS output selected (PB4) See Fig. 6. tSCKL (13) 2 4 2.7 to 3.6 1/2 tSCK tSCKH (13) 1/2 pulse width Serial input Data setup time Data hold time thDI (8) Serial output tsDI (8) Output delay time tdD0 (12) unit 2 pulse width High level max tCYC tSCKH (12) pulse width Period typ 4 (PB4) Low level min SM0DA Specified with respect to (PB5), rising edge of SIOCLK See Fig. 6. 0.03 SM0DO Specified with respect to (PB6), falling edge of SIOCLK SM0DA Specified as interval up to (PB5) 0.03 2.7 to 3.6 time when output state starts s 2.7 to 3.6 changing. See Fig. 6. Note 4-9-1: These specifications are theoretical values. Add margin depending on its use. www.onsemi.com 29 1tCYC +0.05 LC88FC2D0B 5-2. SMIIC1 I2C Mode Input/Output Characteristics Parameter Symbol Input clock Clock Period tSCL Applicable Pin/Remarks SM1CK Conditions Specification VDD [V] See Fig. 8. tSCLL 2.7 to 3.6 pulse width High level Output clock SM1CK (PB4) Low level Specified as interval up to 2.5 changing. tSCLLx 10 time when output state starts 1/2 2.7 to 3.6 pulse width High level tSCL tSCLHx 1/2 pulse width SM0CK and SM0DA tsp SM1CK (PB4) See Fig. 8. SM1DA (PB5) pins input spike unit 2 pulse width tSCLx max Tfilt tSCLH Period typ 5 (PB4) Low level min 2.7 to 3.6 1 Tfilt suppression time Input tBUF SM1CK (PB4) See Fig. 8. tBUFx Bus release time SM1CK (PB4) Standard clock mode SM1DA (PB5) Specified as interval up to time when output state starts 2.7 to 3.6 changing. between start and Output stop 2.5 SM1DA (PB5) tHD;STA changing. SM1CK (PB4) When SMIIC register SM1DA (PB5) control bit, 2.0 I2CSHDS=0 Input See Fig. 8. Tfilt When SMIIC register control bit 2.5 I2CSHDS=1 Start/restart tHD;STAx time μs 1.6 time when output state starts condition hold 5.5 High-speed clock mode Specified as interval up to See Fig. 8. SM1CK (PB4) Standard clock mode SM1DA (PB5) Specified as interval up to 2.7 to 3.6 4.1 time when output state starts Output changing. High-speed clock mode μs Specified as interval up to 1.0 time when output state starts Input tSU;STA changing. SM1CK (PB4) See Fig. 8. 1.0 SM1DA (PB5) tSU;STAx Tfilt Tfilt SM1CK (PB4) Standard clock mode SM1DA (PB5) Specified as interval up to time when output state starts setup time changing. Output Restart condition 5.5 2.7 to 3.6 μs High-speed clock mode Specified as interval up to time when output state starts changing. www.onsemi.com 30 1.6 LC88FC2D0B Parameter Symbol tSU;STO Input tSU;STOx Stop condition setup time Output tHD;DAT Input Data hold time Output Input Output tSU;DATx tF Input tF Output SM0CK and SM0DA pins fall time Conditions Specification VDD [V] SM1CK (PB4) See Fig. 8. SM1DA (PB5) Min typ max 1.0 SM1CK (PB4) Standard clock mode SM1DA (PB5) Specified as interval up to 2.7 to 3.6 time when output state starts changing. High-speed clock mode Specified as interval up to time when output state starts changing. SM1CK (PB4) See Fig. 8. SM1DA (PB5) 2.7 to 3.6 tHD;DATx SM1CK (PB4) Specified as interval up to time when output state starts SM1DA (PB5) changing. tSU;DAT Data setup time Applicable Pin/Remarks SM1CK (PB4) See Fig. 8. SM1DA (PB5) Unit Tfilt 4.9 s 1.1 0 Tfilt 1 1.5 1 SM1CK (PB4) Specified as interval up to SM1DA (PB5) time when output state starts changing. SM1CK (PB4) See Fig. 8. SM1DA (PB5) 2.7 to 3.6 Tfilt 1tSCL1.5Tfilt 2.7 to 3.6 SM1CK (PB4) When SMIIC register SM1DA (PB5) control bits PSLW=1, PHV=1 SM0CK, SM0DA port output FAST mode Cb 400pF 3 3 to 3.6 300 20+0.1Cb 250 ns 100 Note 4-10-1: These specifications are theoretical values. Add margin depending on its use. Note 4-10-2: The value of Tfilt is determined by the values of the register SMIC1BRG, bits 7 and 6 (BRP1, BRP0) and the system clock frequency. BRP1 BRP0 Tfilt 0 0 1 1 0 1 0 1 tCYC1 tCYC2 tCYC3 tCYC4 Set bits (BPR1, BPR0) so that the value of Tfilt falls between the following range: 250 ns ≥ Tfilt > 140 ns Note 4-10-3: Cb represents the total loads (in pF) connected to the bus pins. Cb 400 pF Note 4-10-4: The standard clock mode refers to a mode that is entered by configuring SMIC0BRG as follows: 250 ns ≥ Tfilt > 140 ns BRDQ (bit5) = 1 SCL frequency setting 100 kHz The high-speed clock mode refers to a mode that is entered by configuring SMIC1BRG as follows: 250 ns ≥ Tfilt > 140 ns BRDQ (bit5) = 0 SCL frequency setting 400 kHz www.onsemi.com 31 LC88FC2D0B 6-1. SLIIC0 Simple SIO Mode Input/Output Characteristics Parameter Input clock Serial clock Period Symbol tSCK (13) Applicable Pin/Remarks SL0CK Conditions Specification VDD [V] See Fig. 6. tSCKL (13) 2.7 to 3.6 pulse width High level tSCKH (13) Serial input Data hold time thDI (9) Serial output tsDI (9) Output delay time tdD0 (13) max unit tCYC 2 2 pulse width Data setup time typ 4 (PA4) Low level min SL0DA Specified with respect to (PA5), rising edge of SIOCLK See Fig. 6. 0.03 SL0DO Specified with respect to (PA6), falling edge of SIOCLK SL0DA Specified as interval up to (PA5) 0.03 2.7 to 3.6 time when output state starts s 2.7 to 3.6 changing. See Fig. 6. Note 4-11-1: These specifications are theoretical values. Add margin depending on its use. www.onsemi.com 32 1tCYC +0.05 LC88FC2D0B 6-2. SLIIC1 I2C Mode Input/Output Characteristics Parameter Symbol Input clock Clock Period tSCL Applicable Pin/Remarks SL0CK Conditions Specification VDD [V] See Fig. 8. tSCLL 2.7 to 3.6 pulse width High level tSCLH tsp SL0CK (PA4) Unit Tfilt 2.5 See Fig. 8. SL0DA (PA5) pins input spike max 2 pulse width SL0CK and SL0DA typ 5 (PA4) Low level Min 2.7 to 3.6 1 Tfilt suppression time between start and Input Bus release time tBUF SL0CK (PA4) See Fig. 8. SL0DA (PA5) 2.7 to 3.6 2.5 Tfilt stop tHD;STA SL0CK (PA4) SL0DA (PA5) See Fig. 8. Input time control bit, 2.0 I2CSHDS=0 Start/restart condition hold When SMIIC register When SMIIC register 2.7 to 3.6 control bit Tfilt 2.5 I2CSHDS=1 See Fig. 8. setup time tSU;STA Input Restart condition tSU;STO tHD;DAT Input Data hold time Output SL0CK (PA4) SL0DA (PA5) SL0CK (PA4) SL0DA (PA5) 2.7 to 3.6 1.0 Tfilt 2.7 to 3.6 1.0 Tfilt See Fig. 8. See Fig. 8. 0 tHD;DATx SL0CK (PA4) SL0DA (PA5) 2.7 to 3.6 Specified as interval up to time when output state starts changing. tSU;DAT SL0CK (PA4) SL0DA (PA5) See Fig. 8. SL0CK (PA4) SL0DA (PA5) Specified as interval up to time when output state starts changing. Input Output Data setup time See Fig. 8. Input Stop condition setup time SL0CK (PA4) SL0DA (PA5) tSU;DATx Tfilt 1 1.5 1 www.onsemi.com 33 2.7 to 3.6 Tfilt 1tSCL1.5Tfilt LC88FC2D0B 7. UART0 Operating Conditions at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Parameter Transfer rate Symbol UBR0 Applicable Pin/Remarks Conditions Specification VDD [V] min 2.7 to 3.6 4 typ max unit 8 tBGCYC U0RX (P13), U0TX (P14), U0BRG (P07) Note 4-9: tBGCYC denotes one cycle of the baudrate clock source. 8. UART2 Operating Conditions at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Parameter Transfer rate Symbol UBR2 Applicable Pin/Remarks Conditions Specification VDD [V] min 2.7 to 3.6 8 typ max unit 4096 tBGCYC U2RX (P16), U2TX (P17), Note 4-10: tBGCYC denotes one cycle of the baudrate clock source. 9. UART3 Operating Conditions at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Parameter Transfer rate Symbol UBR3 Applicable Pin/Remarks Conditions Specification VDD [V] min 2.7 to 3.6 8 typ max unit 4096 tBGCYC U3RX (P34), U3TX (P35), Note 4-10: tBGCYC denotes one cycle of the baudrate clock source. ■ Pulse Input Conditions at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Parameter Symbol Applicable Pin/Remarks Conditions High/low level tPIH (1) INT0 (P30), Interrupt source flag can be pulse width tPIL (1) INT1 (P31), set. Event inputs for timers 2 and INT2 (P32), INT3 (P33), 3 are enabled. INT4 (P20), Specification VDD [V] min typ max unit 2.7 to 3.6 2 tCYC 2.7 to 3.6 10 s INT5 (P21), INT6 (P40), INT7 (P41) tPIL (2) RESB Resetting is enabled. www.onsemi.com 34 LC88FC2D0B ■ AD Converter Characteristics at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V 1. 12-bit AD Conversion Mode Applicable Pin Parameter Symbol /Remarks Specification Conditions Resolution NAD Absolute accuracy ETAD Conversion time TCAD12 to AN15 (P77) Conversion time calculated Analog input AN0 (P60) to AN7 (P67), AN8 (P70) input current min 2.7 to 3.6 (Note 6-1) typ VAIN max 12 3.0 to 3.6 64 115 2.7 to 3.6 128 230 2.7 to 3.6 VSS VDD IAINH VAIN=VDD 2.7 to 3.6 IAINL VAIN=VSS 2.7 to 3.6 unit bit 16 2.7 to 3.6 voltage range Analog port VDD [V] 1 1 LSB s V A 52 - Conversion time calculation formula: TCAD12= ( AD division ratio +2) tCYC 2. 8-bit AD Conversion Mode Applicable Pin Parameter Resolution Symbol NAD Absolute accuracy ETAD Conversion time TCAD8 Analog input /Remarks Specification Conditions AN0 (P60) to AN7 (P67), input current min 2.7 to 3.6 typ max 8 2.7 to 3.6 to AN15 (P77) Conversion time calculated 3.0 to 3.6 39 71 2.7 to 3.6 79 140 2.7 to 3.6 VSS VDD VAIN IAINH VAIN=VDD 2.7 to 3.6 IAINL VAIN=VSS 2.7 to 3.6 1.5 1 1 unit bit (Note 6-1) AN8 (P70) voltage range Analog port VDD [V] LSB s V A 52 - Conversion time calculation formula: TCAD8= ( AD division ratio +2) tCYC Note 6-1: The quantization error (±1/2LSB) is excluded from the absolute accuracy. Note 6-2: The conversion time refers to the interval from the time a conversion starting instruction is issued till the time the complete digital value against the analog input value is loaded in the result register. The conversion time is twice the normal value when one of the following conditions occurs: - The first AD conversion is executed in the 12-bit AD conversion mode after a system reset. - The first AD conversion is executed after the AD conversion mode is switched from 8-bit to 12-bit AD conversion mode. www.onsemi.com 35 LC88FC2D0B ■ Consumption Current Characteristics at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V typ : 3.3V Applicable Parameter Symbol Pin/Remarks Specification Conditions VDD1 FmCF=12 MHz ceramic oscillator current =VDD2 =VDD3 mode FmX'tal=32.768 kHz crystal (Note 7-1) =VDD4 oscillation mode System clock set to 12 MHz Normal mode IDDOP (1) consumption VDD [V] min typ max 3.0 to 3.6 5.5 13.0 2.7 to 3.6 5.0 12.0 2.7 to 3.6 0.75 1.8 2.7 to 3.6 30 120 unit Internal RC oscillation stopped 1/1 frequency division mode IDDOP (2) FmCF=10 MHz ceramic oscillator mode FmX'tal=32.768 kHz crystal oscillator mode System clock set to 10 MHz mA Internal RC oscillation stopped 1/1 frequency division mode IDDOP (3) FmCF=0Hz (oscillation stopped) FmX'tal=32.768 kHz crystal oscillator mode System clock set to internal RC oscillation 1/1 frequency division mode IDDOP (4) FmCF=0Hz (oscillation stopped) FmX'tal=32.768 kHz crystal oscillator mode System clock set to 32.768 kHz A Internal RC oscillation stopped 1/1 frequency division mode Continued on next page. www.onsemi.com 36 LC88FC2D0B Continued from preceding page. Applicable Parameter HALT mode consumption Symbol IDDHALT (1) VDD1 =VDD2 current (Note =VDD3 =VDD4 7-1) Specification Pin/Remarks Conditions VDD [V] min typ max 3.0 to 3.6 1.7 3.5 2.7 to 3.6 1.5 3.2 2.7 to 3.6 0.2 0.8 2.7 to 3.6 8.5 65 unit HALT mode FmCF=12 MHz ceramic oscillator mode FmX'tal=32.768 kHz crystal oscillation mode System clock set to 12 MHz Internal RC oscillation stopped IDDHALT (2) 1/1 frequency division mode HALT mode FmCF=10 MHz ceramic oscillator mode FmX'tal=32.768 kHz crystal oscillator mode System clock set to 10 MHz mA Internal RC oscillation stopped 1/1 frequency division mode IDDHALT (3) HALT mode FmCF=0Hz (oscillation stopped) FmX'tal=32.768 kHz crystal oscillator mode System clock set to internal RC oscillation 1/1 frequency division mode IDDHALT (4) HALT mode FmCF=0Hz (oscillation stopped) FmX'tal=32.768 kHz crystal oscillator mode System clock set to 32.768 kHz A Internal RC oscillation stopped 1/1 frequency division mode Continued on next page. www.onsemi.com 37 LC88FC2D0B Continued from preceding page. Applicable Parameter HOLD mode Symbol Specification Pin/Remarks IDDHOLD (1) VDD1 Conditions consumption HOLD mode CF1=VDD or open current (external clock mode) IDDHOLD (2) HOLD mode CF1=VDD or open (external clock mode) LVD option selected HOLDX mode IDDHOLD (3) VDD [V] min typ max 2.7 to 3.6 0.2 45 2.7 to 3.6 1.2 48 2.7 to 3.6 4.6 60 2.7 to 3.6 5.6 63 HOLDX mode CF1=VDD or open consumption current (external clock mode) FmX'tal=32.768 kHz crystal oscillator unit A mode IDDHOLD (4) HOLDX mode CF1=VDD or open (external clock mode) FmX'tal=32.768 kHz crystal oscillator mode LVD option selected Note 7-1: The consumption current value includes none of the currents that flow into the output transistor and internal pull-up resistors. ■ F-ROM Programming Characteristics at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Applicable Parameter Onboard Symbol IDDFW (1) programming Pin/Remarks VDD1 Specification Conditions VDD [V] min typ max unit 2.7 to 3.6 10 mA 2.7 to 3.6 25 ms 2.7 to 3.6 45 μs Microcontroller erase current current is excluded. current Onboard tFW (1) 2K-byte erase operation programming time tFW (2) 2-byte programming operation www.onsemi.com 38 LC88FC2D0B ■ Power-on Reset (POR) Characteristics at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Specification Parameter Symbol Pin/Remarks Conditions Option selected voltage min typ max Select from option. 2.57V 2.47 2.57 2.72 voltage (Note 8-1) 2.87V 2.77 2.87 3.02 Detction voltage POUKS See Fig10. unknown state (Note 8-2) 0.7 0.95 Por release Power supply PORRL unit V Power supply rise time PORIS rise time 100 from 0V to 1.6V. ms Note8-1: The POR release level can be selected out of 2 levels only when the LVD reset function is disabled. Note8-2: POR is in an unknown state before transistors start operation. ■ Low Voltage Detection Reset (LVD) Characteristics at Ta=–40 to +85C, VSS1=VSS2=VSS3=VSS4=0V Specification Parameter Symbol Pin/Remarks Conditions Option selected voltage LVD reset LVDET voltage LVD hysteresis 2.81V max unit 2.71 2.81 2.96 V LVHYS 2.81V width Detection typ Select from option. (Note 9-2) See Fig. 11. (Note 9-2) min LVUKS voltage unknown 60 mV See Fig. 11. (Note 9-3) 0.7 0.95 V state Low voltage detection TLVDW LVDET-0.5V See Fig. 12. minimum width 0.2 mS (Replay sensitivity) Note9-1: LVD reset voltage specification values do not include hysteresis voltage. Note9-2: LVD reset voltage may exceed its specification values when port output state changes and/or when a large current flows through port. Note9-3: LVD is in an unknown state before transistors start operation. www.onsemi.com 39 LC88FC2D0B ■ Power Pin Treatment Conditions 1 (VDD1, VSS1) Connect capacitors that meet the following conditions between the VDD1 and VSS1 pins: - Connect among the VDD1 and VSS1 pins and the capacitors C1 and C2 with the shortest possible lead wires, of the same length (L1=L1', L2=L2') wherever possible. - Connect a large-capacity capacitor C1 and a small-capacity capacitor C2 in parallel. The capacitance of C2 should be approximately 0.1 F or larger. - The VDD1 and VSS1 traces must be thicker than the other traces. L2 L1 VSS1 C1 C2 VDD1 L1’ L2’ ■ Power Pin Treatment Conditions 2 (VDD(2, 3, 4), VSS(2, 3, 4)) Connect capacitors that meet the following condition between the VDD(2, 3, 4) and VSS(2, 3, 4) pins: - Connect among the VDD(2, 3, 4) and VSS(2, 3, 4) pins and the capacitor C3 with the shortest possible lead wires, of the same length (L3=L3') wherever possible. - The capacitance of C3 should be approximately 0.1 F or larger. - The VDD(2, 3, 4) and VSS(2, 3, 4) traces must be thicker than the other traces. L3 VSS (2,3, 4) C3 VDD (2,3, 4) L3’ www.onsemi.com 40 LC88FC2D0B ■ Characteristics of a Sample Main System Clock Oscillation Circuit Given below are the characteristics of a sample main system clock oscillation circuit that are measured using a Our Company -designated oscillation characteristics evaluation board and external components with circuit constant values with which the oscillator vendor confirmed normal and stable oscillation. ■ Table 1 Characteristics of a Sample Main System Clock Oscillator Circuit with a Ceramic Resonator Nominal Frequency Circuit Constant Vendor Name 12 MHz MURATA Resonator Operating Oscillation Voltage Stabilization Time C3 C4 Rf Rd2 Range Typ max [pF] [pF] [] [] [V] [ms] [ms] CSTCE12M0G52-R0 (10) (10) OPEN 330 2.2 to 3.6 0.02 0.2 CSTCE10M0G52-R0 (10) (10) OPEN 680 2.2 to 2.6 0.02 0.2 CSTLS10M0G53-B0 (15) (15) OPEN 680 2.2 to 3.6 0.02 0.2 10 MHz Remarks C1, C2 integrated type C1, C2 integrated type C1, C2 integrated type The oscillation stabilization time refers to the time interval that is required for the oscillation to get stabilized after VDD goes above the lower limit level of the operating voltage range (see Figure 4) ■ Characteristics of a Sample Subsystem Clock Oscillator Circuit Given below are the characteristics of a sample subsystem clock oscillation circuit that are measured using a Our Company -designated oscillation characteristics evaluation board and external components with circuit constant values with which the oscillator vendor confirmed normal and stable oscillation. ■ Table 2 Characteristics of a Sample Subsystem Clock Oscillator Circuit with a Crystal Resonator Nominal Frequency 32.768 kHz Circuit Constant Vendor Name Resonator EPSON TOYOCOM MC-306 Operating Voltage C3 C4 Rf2 Rd2 [pF] [pF] [] [] 10 10 Open 330K Range [V] 2.2 to 3.6 Oscillation Stabilization Time typ max [s] [s] 1.0 3.0 Remarks CL=7.0pF The oscillation stabilization time refers to the time interval that is required for the oscillation to get stabilized after the instruction for starting the subclock oscillator circuit is executed plus the time interval that is required for the oscillation to get stabilized after the HOLD mode is released (see Figure 4). Note: The traces to and from the components that are involved in oscillation should be kept as short as possible as the oscillation characteristics are affected by their trace pattern. www.onsemi.com 41 LC88FC2D0B CF1 CF2 Rf1 XT1 Rf2 Rd1 C1 XT2 C2 C3 Rd2 C4 CF X’tal Figure 1 CF oscillator circuit Figure 2 XT Oscillator Circuit 0.5VDD Figure 3 AC Timing Measurement Point www.onsemi.com 42 LC88FC2D0B VDD Operating VDD lower limit 0V Power Reset time RESB Internal RC oscillation tmsCF CF1, CF2 tmsX'tal XT1, XT2 Operating mode Reset Unpredictable Initialization instruction execution User instruction execution Reset Time and Oscillation Stabilization Time HOLD release No HOLD release signal HOLD release signal valid Interrupt operation Internal RC oscillation tmsCF CF1, CF2 tmsX'tal XT1, XT2 State HOLD HALT Instruction execution HOLD Release and Oscillation Stabilization Time Figure 4 Oscillation Stabilization Time Timing Charts www.onsemi.com 43 LC88FC2D0B VDD Note: Reset signal must be present when power supply rises. Determine the value of CRES and RRES so that the reset signal is present for 10 s after the supply voltage gets stabilized. RRES RES CRES Figure 5 Reset Circuit tSCKHBSY tSCKHBSY RUN: SIOCLK: DATAIN: DI0 DI1 DI6 DI7 DI8 DIx DATAOUT: DO0 DO1 DO6 DO7 DO8 DOx Data transfer period (SIO0 and SIO1 only) tSCK SIOCLK: tSCKL tSCKH tsDI thDI DATAIN: DATAOUT: Data transfer period (SIO0 and SIO1 only) SIOCLK: tSCKL tSCKHA thDI tsDI DATAIN: tdDO DATAOUT: * Remarks: DIx and DOx denote the last bits communicated; x=0 to 32768 Figure 6 Serial I/O Waveforms www.onsemi.com 44 LC88FC2D0B tPIL tPIH Figure 7 Pulse Input Timing Signal Waveform P SDA S Sr P tBUF tHD;STA tR tF tHD;STA tsp SCK tLOW tHIGH tHD;DAT tSU;DAT tSU;STA tSU;STO S: Start condition P: Stop condition Sir: Restart condition Figure 8 I2C Timing 1k PC2/FILT + 2.2F - Cfs VSS1 Cfs=OPEN Figure 9 Recommended FILT Circuit * Take at least 50ms to oscillation to stabilize after PLL is started. www.onsemi.com 45 LC88FC2D0B (a) POR release voltage (PORRL) (b) VDD Reset period Reset period 100μs or longer Unknown-state (POUKS) RES# Figure 10 Waveform observed when only POR is used (LVD not used) (RESET pin: Pull-up resistor RRES only) • The POR function generates a reset only when power is turned on starting at the VSS level. • No stable reset will be generated if power is turned on again when the power level does not go down to the VSS level as shown in (a). If such a case is anticipated, use the LVD function together with the POR function or implement an external reset circuit. • A reset is generated only when the power level goes down to the VSS level as shown in (b) and power is turned on again after this condition continues for 100μs or longer. LVD hysteresis width (LVHYS) LVD release voltage (LVDET+LVHYS) VDD LVD reset voltage (LVDET) Reset period Reset period Reset period Unknown-state (LVUKS) RES# Figure 11 Waveform observed when both POR and LVD functions are used (RESET pin: Pull-up resistor RRES only) • Resets are generated both when power is turned on and when the power level lowers. • A hysteresis width (LVHYS) is provided to prevent the repetitions of reset release and entry cycles near the detection level. www.onsemi.com 46 LC88FC2D0B VDD LVD release voltage LVD reset voltage LVDET-0.5V TLVDW VSS Figure 12 Low voltage detection minimum width (Example of momentary power loss / Voltage variation waveform) ORDERING INFORMATION Device LC88FC2D0BUTJ-2H Package TQFP 100, 14x14 (Pb-Free / Halogen Free) Shipping (Qty / Packing) 900 / Tray JEDEC ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC) or its subsidiaries in the United States and/or other countries. SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf . SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. 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SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. www.onsemi.com 47