S83C654IFAA View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

S83C654IFAA

CMOS single-chip 8-bit microcontroller

Philips Electronics 

Philips Semiconductors

CMOS single-chip 8-bit microcontroller

BLOCK DIAGRAM

FREQUENCY

REFERENCE

XTAL2 XTAL1

OSCILLATOR

AND

TIMING

PROGRAM

MEMORY

(16K x 8

EPROM)

DATA

MEMORY

(256 x 8 RAM)

COUNTERS

T0

T1

TWO 16-BIT

TIMER/EVENT

COUNTERS

Product specification

87C654

CPU

I2C SERIAL I/O

SDA SHARED

WITH

SCL PORT 1

INTERNAL

INTERRUPTS

64K BYTE BUS

EXPANSION

CONTRTOL

PROGRAMMABLE I/O

PROG SERIAL PORT

FULL DUPLEX UART

SYNCHRONOUS SHIFT

INT0 INT1

EXTERNAL

INTERRUPTS

CONTROL

PARALLEL PORTS,

ADDRESS/DATA BUS

AND I/O PINS

SERIAL IN SERIAL OUT

SHARED WITH

PORT 3

SU00271

1996 Aug 16

6

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