UM6845RA

·@)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...