WT6803 Overview
WT6803 is designed to interface with a MCU to do the OSD (On Screen Display) function in CRT monitor. The on-chip PLL generates a wide-ranged system clock up to 160 MHz to meet the resolution requirements (OSD resolution is programmable) of different display modes. The full OSD screen size is 30 columns x 15 rows, and setting the internal registers can freely program the OSD position.
WT6803 Key Features
- Programmable horizontal resolutions up to 2040 dots per line
- Horizontal frequency up to 150kHz
- Dot Frequency generated by On-chip PLL up to 160MHz
- Fully programmable character array of 15 rows by 30 columns
- 12x18 dot matrix per character
- 256 characters and graphic symbols ROM including 16 multi-color fonts
- 8 colors per display character
- 7 colors per display character background
- 4 programmable windows
- 8 colors per display window