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UM6845EA - CRT Controller

Download the UM6845EA datasheet PDF. This datasheet also covers the UM6845E variant, as both devices belong to the same crt controller family and are provided as variant models within a single manufacturer datasheet.

General 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.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UM6845E-UMC.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number UM6845EA
Manufacturer UMC
File Size 709.17 KB
Description CRT Controller
Datasheet download datasheet UM6845EA Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
(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.