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P89V51RD2FA - 8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller

This page provides the datasheet information for the P89V51RD2FA, a member of the P89V51RD2FN 8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller family.

Datasheet Summary

Description

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

A key feature of the P89V51RB2/RC2/RD2 is its X2 mode option.

Features

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

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Datasheet preview – P89V51RD2FA

Datasheet Details

Part number P89V51RD2FA
Manufacturer NXP
File Size 1.46 MB
Description 8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller
Datasheet download datasheet P89V51RD2FA Datasheet
Additional preview pages of the P89V51RD2FA datasheet.

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Full PDF Text Transcription

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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. General description The P89V51RB2/RC2/RD2 are 80C51 microcontrollers with 16/32/64 kB flash and 1024 B of data RAM. A key feature of the P89V51RB2/RC2/RD2 is its X2 mode option. The design engineer can choose to run the application with the conventional 80C51 clock rate (12 clocks per machine cycle) or select the X2 mode (six clocks per machine cycle) to achieve twice the throughput at the same clock frequency. Another way to benefit from this feature is to keep the same performance by reducing the clock frequency by half, thus dramatically reducing the EMI. The flash program memory supports both parallel programming and in serial ISP.
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