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The following document contains information on Cypress products.
FUJITSU SEMICONDUCTOR
FACT SHEET
NP706-00017-1v0-E
32-bit Microcontrollers
FM3 Family MB9A310K Series
MB9A310K series are highly integrated 32-bit microcontrollers dedicated for embedded controllers with high-performance
and low cost. MB9A310K series are based on the ARM Cortex-M3 Processor with on-chip Flash memory and SRAM, and has
peripheral functions such as Motor Control Timers, ADCs and Communication interfaces.
■ FEATURES
 32bit ARM Cortex-M3 Core
■PRODUCT LINEUP
Part number
MB9AF311K
Processor version:r2p1
 Clock











MB9AF312K
Parameter
Main Flash
64K
128K
Maximum clock frequency:40MHz
(Byte)
Base Timer:8 channels (Max.)
Work Flash
32K
32K
Watch counter:1 unit
(Byte)
Multi-function Timer:1 unit (Max.)
SRAM
16K
16K
(Byte)
16-bit free-run timer ×3channels
Input capture ×4channels
Output compare ×6channels
A/D activating compare ×3channels
Waveform generator ×3channels
16-bit PPG timer ×3channels
■ORDERING INFORMATION
QPRC:1 channel (Max.)
Dual Timer:1 unit
Part number
Package
Watchdog Timer:1 channel(SW) + 1 channel(HW)
MB9AF311KPMC
Plastic・LQFP(0.5mm pitch),48-pin
Multi-function Serial Interface:4 channels (Max.)
2
(FPT-48P-M49)
Selectable from UART/CSIO/LIN/I C
MB9AF312KPMC
Real-time clock:1 unit
MB9AF311KPMC1*
DMA Controller:4 channels
Plastic・LQFP(0.65mm pitch),52-pin
(FPT-52P-M02)
USB Interface : 1 channel
*
MB9AF312KPMC1
Function : USB2.0 Full-Speed supported
Host : USB2.0 Full-Speed/Low-Speed supported
MB9AF311KQN*
Plastic・QFN(0.5mm pitch),48-pin
External Interrupt Controller Unit
(LCC-48P-M73)
*
MB9AF312KQN
- Up to 6 external interrupt input pin
- Include one non-maskable interrupt(NMI)
* : Planning
12-bit A/D Converter:8 channels (2 units)

 Low Power Consumption Mode
6 low power consumption modes supported
SLEEP mode/TIMER mode/RTC mode/STOP mode
/Deep stand-by RTC mode/Deep stand-by STOP mode
 General Purpose I/O port:36 (Max.)
■PACKAGE EXAMPLE OF REFERENCE
 Debug
-Serial Wire JTAG Debug Port (SWJ-DP)
 Low Voltage Detector
 Clock Super Visor
 Power Supply
Wide range voltage : 2.7V to 5.5V
USB I/O voltage : 3.0V to 3.6V (when USB is used)
2.7V to 5.5V (when GPIO is used)
Plastic ・ LQFP, 48-pins
(FPT-48P-M49)
ARM and Cortex are trademarks of ARM Limited in the EU and other countries.
April 2012
1/2
Copyright©2012 FUJITSU SEMICONDUCTOR LIMITED All rights reserved
MB9A310K Series
■ BLOCK DIAGRAM
MB9AF311K, F312K
TRSTX,TCK,
TDI,TMS
TDO
SRAM0
8 Kbyte
SWJ-DP
ROM
Table
SRAM1
8 Kbyte
Multi-layer AHB (Max.40MHz)
Cortex-M3 Core I
@40MHz(Max.)
D
NVIC
Sys
AHB-APB Bridge:
APB0(Max.40MHz)
Dual-Timer
WatchDog Timer
(Software)
Clock Reset
Generator
INITX
WatchDog Timer
(Hardware)
Main Flash I/F
Security
Main Flash
64 Kbyte/
128 Kbyte
Work Flash I/F
Work Flash
32 Kbyte
USB2.0 PHY
(Host/
Func)
AVCC,
AVSS,
AVRH
AHB-AHB
Bridge
RST
CLK
Main
Osc
Sub.
Osc
PLL
CR
4MHz
CR
100KHz
12bit A/D Converter
USB Clock Ctrl
PLL
Unit 0
Power On
Reset
AN[07:00]
Unit 1
LVD Ctrl
ADTG_2
AIN0
BIN0
ZIN0
Base Timer
16-bit 8ch/
32-bit 4ch
QPRC
1ch
A/D Activation Compare
3ch
IC0x
FRCKx
16-bit Input Capture
4ch
16-bit Free-Run Timer
3ch
16-bit Output Compare
6ch
DTTIX0
RTO0[5:0]
Deep Standby Ctrl
AHB-APB Bridge : APB2 ( Max.40MHz)
TIOBx
LVD
Regulator
AHB-APB Bridge : APB1 (Max.40MHz)
TIOAx
UHCONX
DMAC
4ch
CSV
X0
X1
X0A
X1A
UDP0,UDM0
C
WKUP[3:0]
RTCCO,
SUBOUT
Real Time Clock
IRQ-Monitor
CRC
Accelerator
Watch Counter
External Interrupt
Controller
6-pin + NMI
INTx
NMIX
MODE-Ctrl
MD[1:0]
P0[F:0],
P1[F:0],
Waveform Generator
3ch
GPIO
PIN-Function-Ctrl
Px[x:0]
16-bit PPG
3ch
Multi Serial IF
4ch*
SCKx
SINx
SOTx
(with FIFO ch.0 – ch.1)
Multi Function Timer
■ STARTER KIT
A starter kit for FM3 family is on sale respectively from IAR Systems and KEIL.
 IAR Systems
With IAR Systems starter kit, a high performance board can be used for evaluation.
 KEIL
With KEIL starter kit, a simple board can be used for evaluation.
NP706-00017-1v0-E
April 2012
2/2
Copyright©2012 FUJITSU SEMICONDUCTOR LIMITED All rights reserved