MB91F109 データシートの表示（PDF） - Fujitsu

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MB91F109

32-bit RISC Microcontroller

Fujitsu 

MB91F109

s BLOCK DIAGRAM

FR CPU

RAM (2 Kbytes)

DREQ0 to

DREQ2

DACK0 to

DACK2

EOP0 to

EOP2

Bit search module

3

3 DMA controller (DMAC)

3

(8 ch.)

Bus converter (32 bits↔16bits)

X0

X1

RST

Clock control unit

(Watchdog timer)

Bus converter

(Harvard↔Princeton)

Bus controller

16 D16 to D31

25 A00 to A24

2

RD

WR0, WR1

RDY

6

CLK

CS0 to CS5

BRQ

BGRNT

INT0 to INT3 4

NMI

4

AN0 to AN3

AVCC

AVSS

AVRH

AVRL

ATG

Interrupt control unit

10-bit A/D converter

(4 ch.)

DRAM interface

Flash memory

254k

RAS0

RAS1

CS0L

CS0H

CS1L

CS1H

DW0

DW1

16-bit reload timer (3 ch.)

RAM 2 Kbytes

PE0 to PE7

PF0 to PF7

8

8

Port E,

Port F

Other pins

MD0 to MD2, VCC, VSS

Port 2 to port B

UART (3 ch.)

(Baud rate timer)

8

P20 to P27

8

P30 to P37

8

P40 to P47

8

P50 to P57

8

P60 to P67

P70

6

PA80 to P85

7

PA0 to PA6

8

PB0 to PB7

3

SI0 to SI2

3 SO0 to SO2

3 SC0 to SC2

PWM timer (4 ch.)

4

OCPA0 to OCPA3

4 TRG0 to TRG3

Note : Pins are display for functions (Actually some pins are multiplexer).

When using REALOS, time control should be done by using external interrupt or inner timer.

19

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