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UM6845RA

UMC
Part Number UM6845RA
Manufacturer UMC
Description CRT Controller
Published May 18, 2006
Detailed Description ·@)UMC UM6845R/UM6845RA/UM6845RB ==::::====::::==::::::::::::::::CRT Conuoner Features • Single + 5 volt (±5%) power su...
Datasheet PDF File UM6845RA PDF File

UM6845RA
UM6845RA


Overview
·@)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.
A unique feature is the inclusion of several modes of operation, so that the system designer can configure the system with a wide assortment of techniques.
Pin Configuration GND RES LPEN CCO/MAO CC1/MA1 CC2/MA2 CC3/MA3 CC4/MA4 CC5/MA5 CC6/MA6 CC7/MA7 CRO/MA8 CR1/MA9 CR2/MA10 CR3/MA11 CR4/MA12 CR...


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