87C554
Description
This data sheet describes the 6 clock version of the 8xC554.
Key Features
- 83C554-16k bytes ROM
- 80C554-ROMless version
- Two standard 16-bit timer/counters
- 512 × 8 RAM, expandable externally to 64k bytes
- Capable of producing eight synchronized, timed outputs
- A 10-bit ADC with seven multiplexed analog inputs
- Fast 8-bit ADC option – 9 µS at 16 MHz
- Two 8-bit resolution, pulse width modulation outputs
- Five 8-bit I/O ports plus one 8-bit input port shared with analog inputs
- I2C-bus serial I/O port with byte oriented master and slave functions
