PT6552 Key Features
- Up to 4 general purpose output ports
- Up to 90 segments outputs
- Up to 30 key inputs (Key scan is only performed
- ½ duty
- ½ bias (up to 90 segments)
- Serial data control sleep mode and the all
- Serial data controlled segment output
- Serial data I/O supports CCB format
- High generality since display data is displayed
- Reset pin that can establish the initial state