83C576 查看數據表（PDF） - Philips Electronics

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83C576

80C51 8-bit microcontroller family 8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators, failure detect circuitry, watchdog timer

Philips Electronics 

Philips Semiconductors

80C51 8-bit microcontroller family

8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,

failure detect circuitry, watchdog timer

BLOCK DIAGRAM

VCC

VSS

LOW

VOLTAGE

DETECT

A

RAM ADDR

REGISTER

UPI

CONTROL

POWER

ON

DETECT

B

RAM

P0.0-P0.7

PORT 0

DRIVERS

PORT 0

LATCH

P2.0-P2.7

PORT 2

DRIVERS

PORT 2

LATCH

Product specification

83C576/87C576

ROM/

EPROM

B

REGISTER

ACC

TMP2

TMP1

STACK

POINTER

PSEN

ALE

EA

RST

WATCHDOG

TIMER

B

A

TIMING

AND

CONTROL

PD

OSCILLATOR

CLK AND OSC

FAILURE

DETECT

XTAL1

XTAL2

ALU

PSW

SFRs

TIMERS

PCA

PORT 1

LATCH

PORT 1

DRIVERS

10-BIT

ANALOG TO DIGITAL

CONVERTER

+AVCC

PORT 3

LATCH

PORT 3

DRIVERS

P3.0-P3.7

P1.0-P1.5

–AVSS

PROGRAM

ADDRESS

REGISTER

BUFFER

PC

INCRE-

MENTER

PROGRAM

COUNTER

DPTR

PWM

COMPARATOR

BLOCK

SU00255B

1998 Jun 04

3

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