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UPD7225 - PROGRAMMABLE LCD CONTROLLER/DRIVER

Datasheet Summary

Features

  • Can directly drive LCD.
  • Programmable time-division multiplexing.
  • Static drive Divide-by-2, 3, or -4 time division multiplexing 7-segment Divide-by-4 Divide-by-3 Divide-by-2 time division 16 digits time division 10 2/3 digits time division 8 digits.
  • Number of digits displayed.
  • Static 4 digits.
  • 14-segment Divide-by-4 time division 8 digits.
  • Bias method Static, 1/2, 1/3.
  • Segment decoder output.

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Datasheet preview – UPD7225

Datasheet Details

Part number UPD7225
Manufacturer NEC
File Size 289.22 KB
Description PROGRAMMABLE LCD CONTROLLER/DRIVER
Datasheet download datasheet UPD7225 Datasheet
Additional preview pages of the UPD7225 datasheet.

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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD7225 PROGRAMMABLE LCD CONTROLLER/DRIVER The µPD7225 is a software-programmable LCD (Liquid Crystal Display) controller/driver. The µPD7225 can be serially interfaced with the CPU in a microcomputer and can directly drive 2, 3, or 4-time division LCD. The µPD7225 contains a segment decoder which can generate specific segment patterns. In addition, the µPD7225 can be used to control on/off (blinking) operation of a display. FEATURES • Can directly drive LCD • Programmable time-division multiplexing • • Static drive Divide-by-2, 3, or -4 time division multiplexing 7-segment Divide-by-4 Divide-by-3 Divide-by-2 time division ............... 16 digits time division ............... 10 2/3 digits time division ...............
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