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UM6845E

Part Number	UM6845E
Manufacturer	UMC
Description	CRT Controller
Published	Jan 28, 2017
Detailed Description	(l)UMC UM6845£/UM6845£A/UM6845£B CRT Controller Features • Single + 5 volt (± 5%) power supply • Alphanumeric and limi...
Datasheet	UM6845E PDF File

Overview

(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.
7 MHz character clock • Transparent address mode General De...

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