MB89T857P-SH 데이터 시트보기 (PDF) - Fujitsu

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MB89T857P-SH

8-bit Proprietary Microcontroller

Fujitsu 

s BLOCK DIAGRAM

X0

X1

RST

Oscillator

Clock controller

Reset circuit

(WDT)

P00/AD0

8

to P07/AD7

P10/A08

8

to P17/A15

MOD0

MOD1

P27/ALE

P26/RD

P25/WR

P24/CLK

P23/RDY

P22/HRQ

P21/HAK

P20/BUFC

CMOS I/O port

External bus

interface

CMOS output port

RAM

F2MC-8L

CPU

Other pins

VCC , VSS × 2

ROM

Part number

MB89865/855/T855*1

MB89857/867

RAM size

512 bytes

1 Kbyte

MB89W857/P867

1 Kbyte

ROM size

16 Kbytes

32 Kbytes

32 Kbytes

(EPROM)

*1: In the MB89T855, an external ROM can be used.

MB89860/850 Series

Time-base timer

8-bit PWM timer 2

P37/PTO2

8-bit PWM timer 1

P36/PTO1

8-bit serial I/O

UART

P35/SI2

P34/SO2

P33/SCK2

P32/SI1

P31/SO1

P30/SCK1

CMOS I/O port

CMOS I/O port

6

Timer unit

(Dead-time timer)

P47/TRGI

P46/Z

P45/Y

P44/X

P43/RTO3/W

P42/RTO2/V

P41/RTO1/U

P40/RTO0

4

External interrupt

Input port

8

10-bit A/D converter

P64/DTTI

3

P60/INT0

to P62/INT2

P63/INT3/ADST

AVR

AVCC

AVSS

8

P50/AN0

to P57/AN7

N-ch open-drain output port

N-ch open-drain I/O port

Port 7 and port 8

*2

7

P70 to P76

8

P80 to P87

*2: Not included in the MB89850 series.

15

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