P89V51RB2BA View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

P89V51RB2BA

8-bit 80C51 5 V low power 16/32/64 kB Flash microcontroller with 1 kB RAM

Philips Electronics 

Philips Semiconductors

4. Block diagram

P89V51RB2/RC2/RD2

8-bit microcontrollers with 80C51 core

CRYSTAL

OR

RESONATOR

16/32/64 kB

CODE FLASH

1 kB

DATA RAM

PORT 3

PORT 2

PORT 1

PORT 0

OSCILLATOR

Fig 1. P89V51RB2/RC2/RD2 block diagram.

HIGH PERFORMANCE

80C51 CPU

INTERNAL

BUS

UART

SPI

TIMER 0

TIMER 1

TIMER 2

PCA

PROGRAMMABLE

COUNTER ARRAY

WATCHDOG TIMER

002aaa506

9397 750 14341

Product data

Rev. 03 — 02 December 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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