PT6552 - 1/2 Duty LCD Driver
The PT6552 is ½ 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.
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PT6552 Features
* Up to 4 general purpose output ports
* Up to 90 segments outputs
* Up to 30 key inputs (Key scan is only performed when a key is pressed)
* ½ duty - ½ bias (up to 90 segments)
* Serial data control sleep mode and the all segments off function
* Seria
