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MB89321A

Part Number	MB89321A
Manufacturer	Fujitsu
Description	CMOS Programmable CRT Controller
Published	Dec 24, 2018
Detailed Description	Advanced Products • MB89321A,MB89322A CMOS Programmable CRT Controller FUJITSU October 1988 Edition 1.0 Description T...
Datasheet	MB89321A PDF File

Overview

Advanced Products • MB89321A,MB89322A CMOS Programmable CRT Controller FUJITSU October 1988 Edition 1.
0 Description The MB89321 A/MB89322A Programmable CRT Controllers are single chip CMOS devices used to interface CRT raster scan displays with microcomputer systems.
Both devices operate on a single +5 V power supply and have TTL-compatible I/O.
The MB89321A interfaces to 6800 family microprocessors; the MB89322A to the 8080.
The MB89321A1MB89322A refresh the display by buffering information from main memory using thirty-three internal registers and keeping track of the display position of the screen.
Both devices are designed to allow simple interfacing to most raster scan CRTs with a minimum of external hardware and software overhead.
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- ~~1) - I- Features • Programmable Screen and Character Formats • Cursor Control (3 types) • Selectable Scan Modes (3 typas) • Light Pen Detection • Refresh Memory Address Function...

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