P89V52X2 Datasheet, PDF(1/57 Page) NXP Semiconductors – 8-bit 80C51 low power 8 kB flash microcontroller with 256 B RAM, 192 B data EEPROM

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P89V52X2 Datasheet, PDF (1/57 Pages) NXP Semiconductors – 8-bit 80C51 low power 8 kB flash microcontroller with 256 B RAM, 192 B data EEPROM

P89V52X2

8-bit 80C51 low power 8 kB ï¬ash microcontroller with 256 B

RAM, 192 B data EEPROM

Rev. 03 â 4 May 2009

Product data sheet

1. General description

The P89V52X2 is an 80C51 microcontroller with 8 kB ï¬ash, 256 B of data RAM, and

192 B of data EEPROM. This device is designed to be a drop in and software compatible

replacement for the P87C52, P87C52X2, P89C52, and P89C52X2 devices.

2. Features

2.1 Principal features

I 0 MHz to 40 MHz operating frequency in 12Ã mode, 20 MHz in 6Ã mode

I 8 kB of on-chip ï¬ash user code memory

I 256 B of RAM

I Enhanced UART

I Three 16-bit timers/counters

I Four 8-bit I/O ports

I Supports 12-clock (default) or 6-clock mode selection via software or In-Circuit

Programming (ICP)

I DIP40, PLCC44, and LQFP44 packages

I Six interrupt sources with four priority levels

I Second DPTR register

2.2 Additional features

I Very low power

I Low EMI mode (ALE inhibit)

I Power-down mode with external interrupt wake-up

I Idle mode

I Extended temperature range

I Three security bits

I Programmable clock-out pin

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