P80C32X2BDH Просмотр технического описания (PDF) - Philips Electronics

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P80C32X2BDH

80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz)

Philips Electronics 

Philips Semiconductors

80C51 8-bit microcontroller family

4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),

low power, high speed (30/33 MHz)

Product data

P80C3xX2; P80C5xX2;

P87C5xX2

BLOCK DIAGRAM 2 (CPU-ORIENTED)

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

8

PROGRAM

ADDRESS

REGISTER

ALU

PSW

PSEN

ALE/PROG

EA / VPP

RST

TIMING

AND

CONTROL

PD

OSCILLATOR

XTAL1

XTAL2

PORT 1

LATCH

PORT 1

DRIVERS

P1.0–P1.7

SFRs

TIMERS

BUFFER

PC

INCRE-

MENTER

8

16

PROGRAM

COUNTER

PORT 3

LATCH

DPTR’S

MULTIPLE

PORT 3

DRIVERS

P3.0–P3.71

NOTE:

1. P3.2 and P3.5 absent in the TSSOP38 package.

su01723

2003 Jan 24

7

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