87C750 데이터 시트보기 (PDF) - Philips Electronics

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87C750

80C51 8-bit microcontroller family 1K/64 OTP ROM, low pin count

Philips Electronics 

Philips Semiconductors

80C51 8-bit microcontroller family

1K/64 OTP/ROM, low pin count

BLOCK DIAGRAM

VCC

VSS

RAM ADDR

REGISTER

RAM

P0.0–P0.2

PORT 0

DRIVERS

PORT 0

LATCH

Product specification

83C750/87C750

EPROM

B

REGISTER

ACC

TMP2

TMP1

STACK

POINTER

ALU

PSW

PCON

TCON

IE

TH0 TL0

RTH RTL

INTERRUPT AND

TIMER BLOCKS

RST

TIMING

AND

CONTROL

PD

OSCILLATOR

X1

X2

PORT 1

LATCH

PORT 1

DRIVERS

P1.0–P1.7

PORT 3

LATCH

PORT 3

DRIVERS

P3.0–P3.7

PROGRAM

ADDRESS

REGISTER

BUFFER

PC

INCRE-

MENTER

PROGRAM

COUNTER

DPTR

SU00312

1998 May 01

3

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