Weltrend Semiconductor, Inc. WT6804 Monitor On-Screen Display Data Sheet REV. 1.02 August 17, 2001 The information in this document is subject to change without notice. Weltrend Semiconductor, Inc. All Rights Reserved. 2F, No. 24, Industry E. 9th RD., Science-Based Industrial Park, Hsin-Chu, Taiwan TEL:886-3-5780241 FAX:886-3-5794278.5770419 Email:[email protected] WT6804 Data Sheet Rev. 1.02 GENERAL DESCRIPTION The WT6804 is an on-screen display (OSD) IC which display color symbols or characters onto monitor. 2 With the control of microcontroller through I C interface, it can display characters with special effect like blinking or shadowing automatically. FEATURES • • • • • • • • • • • • • • • • • • Programmable horizontal resolutions up to 1530 dots per line Horizontal frequency up to 120KHz On-chip PLL up to 100MHz 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 Double character height and width control Programmable character height (18 to 71 lines) Programmable row-to-row spacing Programmable vertical and horizontal positioning for display screen center Bordering, shadowing and blinking effect Fade-in/fade-out effects 2 I C interface with slave address $7AH Power supply : 5V Package type : 16-pin plastic DIP/SOP PIN CONFIGURATION Weltrend Semiconductor, Inc. Page 2 WT6804 Data Sheet Rev. 1.02 PIN DESCRIPTION Pin No. Pin Name I/O Description 1 VSSA Analog ground. 2 NC No connection. 3 LF 4 VDDA 5 HFLB I Horizontal sync input. 6 CLKIN I External clock input. 7 SDA 8 SCL 9 VDD 10 VFLB I 11 POUT 12 FBKG 13 BOUT O Programmable general purpose output pad Fast Blanking output. This pin controls the mixer of vedio O amplifier to cutoff the video signal while displaying character or window. O Blue color output 14 GOUT O Green color output 15 ROUT O Red color output 16 VSS I/O Loop filter of PLL. Analog power supply 2 I/O Serial data of I C interface. I 2 Serial clock of I C interface. Digital power supply Vertical sync input. Digital ground Weltrend Semiconductor, Inc. Page 3