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UM6845EB - CRT Controller

This page provides the datasheet information for the UM6845EB, a member of the UM6845E CRT Controller family.

Description

The UM6845E is a CRT Controller intended to provide capability for interfacing and 8 or 16 bit microprocessor family to CRT or TV-type raster scan displays.

Features

  • Single + 5 volt (± 5%) power supply.
  • Alphanumeric and limited graphics capabilities.
  • Fully programmable display (rows, columns, blanking, etc. ).
  • Interlaced or non-interlaced scan.
  • 50/60 Hz operation.
  • Fully programmable cursor.
  • External light pen capability.
  • Capable of addressing up to 16K character Video Display RAM.
  • No DMA required.
  • Pin-compatible with MC6845R.
  • Row/Column or straight-binary' ad.

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Datasheet preview – UM6845EB

Datasheet Details

Part number UM6845EB
Manufacturer UMC
File Size 709.17 KB
Description CRT Controller
Datasheet download datasheet UM6845EB Datasheet
Additional preview pages of the UM6845EB datasheet.

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Full PDF Text Transcription

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(l)UMC UM6845£/UM6845£A/UM6845£B CRT Controller Features • Single + 5 volt (± 5%) power supply • Alphanumeric and limited graphics capabilities • Fully programmable display (rows, columns, blanking, etc.). • Interlaced or non-interlaced scan • 50/60 Hz operation • Fully programmable cursor • External light pen capability • Capable of addressing up to 16K character Video Display RAM • No DMA required • Pin-compatible with MC6845R • Row/Column or straight-binary' addressing for Video Display RAM • Video Display RAM may be configured as part of microprocessor memory field or independently slaved to 6845 • Internal status register 3.
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