P87C552 Key Features
- 80C51 central processing unit
- 8k × 8 EPROM expandable externally to 64k bytes
- An additional 16-bit timer/counter coupled to four capture registers
- Two standard 16-bit timer/counters
- 256 × 8 RAM, expandable externally to 64k bytes
- Capable of producing eight synchronized, timed outputs
- A 10-bit ADC with eight multiplexed analog inputs
- Fast 8-bit ADC option
- Two 8-bit resolution, pulse width modulation outputs
- Five 8-bit I/O ports plus one 8-bit input port shared with analog