Datasheet Summary
'1'Rockwell
R6549 Color Video Display Generator (CVDG)
PRELIMINARY
DESCRIPTION
The Rockwell R6549 Color Video Display Generator (CVDG) integrates video raster control; color lookup table (LUT) update and access; color generation and display refresh; teletext data DMA addressing, data routing and handshake; dynamic RAM (DRAM) control and refresh; and MPu/CVDG/DMA access to DRAM into a single device. Internal horizontal and vertical state machines generate video synchronization signals and control access of video color data from DRAM. A 16-entry color lookup table (LUT) supports 4-bit encoded color levels for red, green and blue (RGB) colors allowing 4096 color binations to be...