P89V51RD2
Representative P89V51RD2 image (package may vary by manufacturer)
Overview
The P89V51RD2 is an 80C51 microcontroller with 64 kB Flash and 1024 bytes of data RAM. A key feature of the P89V51RD2 is its X2 mode option.
- Features s 80C51 Central Processing Unit s 5 V Operating voltage from 0 to 40 MHz s 64 kB of on-chip Flash program memory with ISP (In-System Programming) and IAP (In-Application Programming) s Supports 12-clock (default) or 6-clock mode selection via software or ISP s SPI (Serial Peripheral Interface) and enhanced UART s PCA (Programmable Counter Array) with PWM and Capture/Compare functions s Four 8-bit I/O ports with three high-current Port 1 pins (16 mA each) s Three 16-bit timers/counters s Programmable Watchdog timer (WDT) s Eight interrupt sources with four priority levels s Second DPTR register s Low EMI mode (ALE inhibit) s TTL- and CMOS-compatible logic levels Philips Semiconductors
