HD66841

HD66840/HD66841 LVIC/LVIC-II (LCD Video Interface Controller) Description The HD66840/HD66841 LCD video interface controller (LVIC/LVIC-II) converts standard RGB video signals for CRT display into LCD data. It enable a CRT display system to be replaced by an LCD system without any changes, and it also enables software originally intended for CRT display to control an LCD. Since the LVIC/LVIC-II can control TFT-type LCDs in addition to current TN-type or STN-type LCDs, it can support 8-color display as well as monochrome, 8-level gray-scale display. It can program screen size and can control a large-panel LCD of 720 × 512 dots. The LVIC-II thanks to a gray-scale palette, any 8levels can be selected from 13 gray-scale levels, depending on the LCD panel used. Features Conversion of RGB video signals used for CRT display into LCD data — Monochrome display data — 8-level gray-scale data — 8-color display data Selectable LVIC/LVIC-II control method — Pin programming method ...