P89C738ABB View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

P89C738ABB

8-bit Flash microcontrollers

Philips Electronics 

Philips Semiconductors

8-bit Flash microcontrollers

5 FUNCTIONAL DIAGRAM

Product specification

P89C738; P89C739

handbook, full pagewidth

XTAL1

XTAL2

RST

EA

PSEN

ALE

PORT 5

P89C738

P89C739

PORT 0

ADDRESS

AND

DATA BUS

PORT 1

T2

T2EX

PORT 2

ADDRESS

BUS

PORT 4

PORT 3

MGK191

VSS

VDD

RXD

TXD

INT0

INT1

T0

T1

WR

RD

secondary

functions

1998 Apr 07

Fig.2 Functional diagram.

5

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