== CRTC-II (aka Type 5) ==
According to its datasheet, the The [[Media:CRTC-5-HD6345.pdf|HD6345datasheet]] states it is upward-compatible with the HD6845S in pin and software. And it brings these new features:
*Screen Partition (horizontally split into 4 screens) with paging and scrolling for each screen
*Smooth Scrolling in the vertical direction