PT6552 - PTC

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. This allows the end product front panel wiring to be simplified..

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
• Serial data controlled segment output port/general-purpose output port usage
• Serial data I/O supports CCB format communication with the system controller
• High generality since display data is displayed directly without decoder intervention
• Reset pin that can establish the initial state
• Available in 64 pin QFP and 64 pin LQFP package Tel: 886-.