P89V52X2 Datasheet, PDF (1/56 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 flash microcontroller with 256 B
RAM, 192 B data EEPROM
Rev. 01 — 7 June 2007
Preliminary data sheet
1. General description
The P89V52X2 is an 80C51 microcontroller with 8 kB flash, 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
„ 0 MHz to 33 MHz operating frequency in 12× mode, 20 MHz in 6× mode
„ 8 kB of on-chip flash user code memory
„ 256 B of RAM
„ Enhanced UART
„ Three 16-bit timers/counters
„ Four 8-bit I/O ports
„ Supports 12-clock (default) or 6-clock mode selection via software or In-Circuit
Programming (ICP)
„ DIP40, PLCC44, and LQFP44 packages
„ Six interrupt sources with four priority levels
„ Second DPTR register
2.2 Additional features
„ Low EMI mode (ALE inhibit)
„ Power-down mode with external interrupt wake-up
„ Idle mode
„ Extended temperature range
„ Three security bits
„ Programmable clock-out pin