89V52RD2
Key Features
- 1 KByte Internal RAM
- Support External Address Range up to 64 KByte of Program and Data Memory
- Three High-Current Drive Ports (16 mA each)
- Three 16-bit Timers/Counters
- Full-Duplex, Enhanced UART - Framing Error Detection - Automatic Address Recognition
- Ten Interrupt Sources at 4 Priority Levels - Four External Interrupt Inputs
- Programmable Watchdog Timer (WDT)
- Programmable Counter Array (PCA)
- Four 8-bit I/O Ports (32 I/O Pins) and One 4-bit Port
- Second DPTR register
