87C52IBAA 데이터 시트보기 (PDF) - Philips Electronics

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87C52IBAA

CMOS single-chip 8-bit microcontrollers

Philips Electronics 

Philips Semiconductors

CMOS single-chip 8-bit microcontrollers

Product specification

80C32/87C52

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

ROM/

EPROM

B

REGISTER

ACC

TMP2

TMP1

STACK

POINTER

ALU

PSW

PCON SCON TMOD TCON

T2CON TH0 TL0 TH1

TL1 TH2 TL2 RCAP2H

RCAP2L SBUF IE

IP

INTERRUPT, SERIAL

PORT AND TIMER BLOCKS

PSEN

ALE

EA

RST

TIMING

AND

CONTROL

PD

OSCILLATOR

XTAL1

XTAL2

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

SU00064

1996 Aug 16

5

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