P80C51HFH(1997) 查看數據表（PDF） - Philips Electronics

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P80C51HFH
(Rev.:1997)

Low voltage 8-bit microcontrollers with UART

Philips Electronics 

Philips Semiconductors

Low voltage 8-bit microcontrollers with

UART

6 FUNCTIONAL DIAGRAM

Product specification

P80CL31; P80CL51

handbook, full pagewidth

XTAL1

XTAL2

VSS

VDD

RST

port 0

EA

PSEN

ALE

P80CL31

P80CL51

port 1

address and

data bus

INT2/INT9

alternative

functions

RXD / data

TXD / clock

INT0

INT1

T0

T1

WR

RD

port 3

port 2

address bus

MLA557

1997 Apr 15

Fig.2 Functional diagram.

6

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