P89V51RB2FN

 

 

 

Features

 

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 inhibit)

TTL- and CMOS-compatible logic levels

 

 

 

 

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