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89V51RB2 Datasheet P89V51RB2

Manufacturer: NXP Semiconductors

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General Description

The P89V51RB2/RC2/RD2 are 80C51 microcontrollers with 16/32/64 kB flash and 1024 B of data RAM.

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Overview

P89V51RB2/RC2/RD2 8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller with 1 kB RAM Rev.

05 — 12 November 2009 Product data sheet 1.

Key Features

  • I 80C51 CPU I 5 V operating voltage from 0 MHz to 40 MHz I 16/32/64 kB of on-chip flash user code memory with ISP and IAP I Supports 12-clock (default) or 6-clock mode selection via software or ISP I SPI and enhanced UART I PCA with PWM and capture/compare functions I Four 8-bit I/O ports with three high-current port 1 pins (16 mA each) I Three 16-bit timers/counters I Programmable watchdog timer I Eight interrupt sources with four priority levels I Second DPTR register I Low EMI mode (ALE inhibi.

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