PT6553 Description
PT6553 is an LCD Driver IC providing key scan circuitry which can accept up to a maximum of 30 keys, thereby, reducing printed circuit board wiring. It can drive up to 126 segments and is capable of controlling up to 4 general purpose output ports. The reset circuit provides on-chip voltage detection making it possible to prevent incorrect displays.
PT6553 Key Features
- Up to 126 Segments Outputs
- Up to 4 General Purpose Output Ports
- Key Input Function (up to 30 Keys)
- 1/3 Duty
- 1/2 Bias and 1/3 Duty
- 1/3 Bias Drive Techniques
- Sleep Mode and all Segments OFF Function
- Direct Display of Display Data without using a Decoder
- On-Chip Voltage-Detection Type Reset Circuit
- RC Oscillation Circuit