MB89143 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB89143

8-bit Proprietary Microcontroller

Fujitsu 

MB89143A/144A

s BLOCK DIAGRAM (MB89143A/4A only)

X0

X1

P70/X0A

P71/X1A

P20 to P23 4

Main clock oscillator

(Max. 8 MHz)

Clock controller

Subclock oscillator

(32.768 kHz)

CMOS input port

CMOS output port

Time-base timer

P07/AN7

8

to P00/AN0

AVR

AVSS

P17/ADST

7

P10 to P16

CMOS I/O port 0

8-bit A/D converter

CMOS I/O port 1

RAM

(256 × 8 bits)

F2MC-8L

CPU

ROM

Note: The A/D converter is an 8-bit, 8-channel type.

Buzzer output

BZ

8

High-voltage port 6

P60 to P67

8

High-voltage port 5

P50 to P57

8

High-voltage port 4

P40 to P47

CMOS I/O port

8-bit serial interface

8/16-bit timer/

counter

External interrupt

N-ch open-drain port

Other pins

VCC, VSS, MODA, RST

P32/SCK

P33/SO

P34/SI

P35/EC

P30/INT0

P31/INT1

12

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