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UM6845R - CRT Controller

Download the UM6845R datasheet PDF. This datasheet also covers the UM6845 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 UM6845R is a CRT Controller intended to provide capability for interfacing any 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.
  • Compatible with SY6845R.
  • Straight-binary addressing for Video D.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UM6845_UMC.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number UM6845R
Manufacturer UMC
File Size 547.98 KB
Description CRT Controller
Datasheet download datasheet UM6845R Datasheet

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Other Datasheets by UMC

Part Number Description
UM6845RA CRT Controller
UM6845RB CRT Controller
UM6845 CRT Controller
UM6845A CRT Controller
UM6845B CRT Controller

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
·@)UMC UM6845R/UM6845RA/UM6845RB ==::::====::::==::::::::::::::::CRT Conuoner 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 • Compatible with SY6845R • Straight-binary addressing for Video Display RAM General Description The UM6845R is a CRT Controller intended to provide capability for interfacing any microprocessor family to CRT or TV-type raster scan displays.