UM8321 Description
The UM8321 Video Attributes Controller (VAC) is an n-channel MaS/LSI device containing graphics logic, attributes logic, data and attributes latches, cursor control and a high speed video shift register. A character generator ROM and a CRT Video attributes controller UM8321 provide all of the major circuitry for the display portion of a CRT video terminal. The UM8321 serial video output may be connected directly to...
UM8321 Key Features
- On chip attributes logic Reverse video Character blank Character blink Underline Full/half intensity
- Four modes of operation Wide graphics Thin graphics Character mode without underline Character mode with underline
- On Chip logic for double height double width characters
- Accepts scan line information in parallel or serial format