89C535 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

89C535

CMOS single-chip 8-bit microcontrollers with FLASH program memory

Philips Electronics 

Philips Semiconductors

CMOS single-chip 8-bit microcontrollers

with FLASH program memory

Preliminary specification

89C535/89C536/89C538

BLOCK DIAGRAM

VCC

VSS

RAM ADDR

REGISTER

RAM

P0.0–P0.7

PORT 0

DRIVERS

PORT 0

LATCH

P2.0–P2.7

PORT 2

DRIVERS

PORT 2

LATCH

ROF/EPROM

B

REGISTER

ACC

TMP2

TMP1

STACK

POINTER

8

PROGRAM

ADDRESS

REGISTER

ALU

PSW

PSEN

ALE/PROG

EAVPP

RST

TIMING

AND

CONTROL

PD

OSCILLATOR

XTAL1

XTAL2

PORT 1

LATCH

PORT 1

DRIVERS

P1.0–P1.7

SFRs

TIMERS

BUFFER

PC

INCRE-

MENTER

8

16

PROGRAM

COUNTER

PORT 3

LATCH

DPTR’S

MULTIPLE

PORT 3

DRIVERS

P3.0–P3.7

SU00854

1997 Jun 05

3

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