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 ...
PT6553: 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...
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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 control- ling up to 4 general purpose output ports. The reset circuit provides on-chip voltage detection making it possible to prevent incorrect displays. Pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages.