MB89321A Overview
The MB89321 A/MB89322A Programmable CRT Controllers are single chip CMOS devices used to interface CRT raster scan displays with microputer systems. Both devices operate on a single +5 V power supply and have TTL-patible I/O. The MB89321A interfaces to 6800 family microprocessors;.
MB89321A Key Features
- Programmable Screen and Character Formats
- Cursor Control (3 types)
- Selectable Scan Modes (3
- Light Pen Detection
- Refresh Memory Address