½ Duty LCD Driver With On-Chip Key Input Function

Duty LCD Driver with On-Chip Key Input Function ,The PT6552 is duty dynamic LCD Display driver. In addition to being able to directly Drive LCD panels with up to 90 segments, it CAN also control up to 4 general purpose output ports. This product also includes a key scan circuit that allows it to accept input from keypads with up to 30 keys. This allows the end product front panel wiring to be simplified. By Princeton Technology Corp.