HD6845R Description
HD6845R/HD6845S CRT Controller (CRTC) The CRTC is a LSI controller which is designed to provide an interface for microputers to raster scan type CRT displays. The CRTC belongs to the HD6800 LSI Family and has full patibility with MPU in both data lines and control lines. Its primary function is to generate timing signal which is necessary for raster scan type CRT display according to the specification programmed by...
HD6845R Key Features
- Number of Displayed Characters on the Screen, Vertical
- 3.7 MHz High Speed Display Operation
- Line Buffer-less Refreshing
- 14-bit Refresh Memory Address Output (16k Words max. Access)
- Programmabl