MB91107 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB91107

32-bit RISC Microcontroller

Fujitsu 

s BLOCK DIAGRAM

MB91107/108

FR CPU

I-bus

Instruction Cache

1 KB

Bit Search Module

DMAC (8 ch)

DREQ0 DREQ1 DREQ2

DACK0 DACK1 DACK2

EOP0 EOP1 EOP2

(16 bit)

D-bus (32 bit)

32 bit

16 bit

Bus Converter

X0 X1

RST

HST

Clock Control Unit

(Watch Dog Timer)

INT0 ∼ INT7

NMI

Interrupt Control Unit

AN0 ∼ AN3

AVCC AVRH

AVSS AVRL

ATG

10 bit A/D

Converter (4 ch)

Reload Timer (3 ch)

R-bus (16 bit)

Port

Harvard

Princeton

Bus Converter

Bus Controller

D31 ∼ D16

A24 ∼ A00

RD

WR0 ∼ WR1

RDY

CLK

CS0 ∼ CS7

BRQ BGRNT

C-bus

RAM 128 KB (MB91107)

RAM 160 KB (MB91108)

DRAM Controller

RAS0 RAS1

CS0L CS1L

CS0H CS1H

DW0 DW1

(32 bit)

Port 0 ∼ Port B

UART (3 ch)

with

Baud Rate Timer

SI0 SI1 SI2

SO0 SO1 SO2

SC0 SC1 SC2

PWM Timer (4 ch)

OCPA0 ∼ OCPA3

TRG0 ∼ 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.

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