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PT16557 - Duty LCD Display Drivers

Datasheet Summary

Description

The PT16557 is 1/3 duty and 1/4 duty LCD display drivers that can directly drive up to 164 segments and can control up to four general-purpose output ports.

These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring.

Features

  • Key input function for up to 30 keys (A key scan is performed only when a key is pressed. ).
  • 1/3 duty and 1/4 duty drive schemes can be controlled from serial data.
  • 1/2 bias and 1/3 bias drive schemes can be controlled from serial data.
  • Capable of driving up to 126 segments using 1/3 duty and up to 164 segments using 1/4 duty.
  • Sleep mode and all segments off functions that are controlled from serial data.
  • Switching between key scan output and segment output can.

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Datasheet preview – PT16557

Datasheet Details

Part number PT16557
Manufacturer PTC
File Size 680.66 KB
Description Duty LCD Display Drivers
Datasheet download datasheet PT16557 Datasheet
Additional preview pages of the PT16557 datasheet.

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Full PDF Text Transcription

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DESCRIPTION The PT16557 is 1/3 duty and 1/4 duty LCD display drivers that can directly drive up to 164 segments and can control up to four general-purpose output ports. These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring. FEATURES  Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)  1/3 duty and 1/4 duty drive schemes can be controlled from serial data.  1/2 bias and 1/3 bias drive schemes can be controlled from serial data.  Capable of driving up to 126 segments using 1/3 duty and up to 164 segments using 1/4 duty.  Sleep mode and all segments off functions that are controlled from serial data.
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