PCF84C81A
Key Features
- Manufactured in silicon gate CMOS process
- 8-bit CPU, ROM, RAM, I/O in a 28-lead package
- I2C-bus interface with multi-master capability
- Over 100 instructions (based on MAB8048) all of 1 or 2 cycles
- 20 quasi-bidirectional I/O Port lines
- High sink current capability on the 8 lines of Port 1
- 8-bit programmable timer/event counter 1
- 3 single-level vectored interrupts: – external – 8-bit programmable timer/event counter 1 – I2C-bus
- Two test inputs, one of which also serves as the external interrupt input
- Stop and Idle modes
