Title :
1.04 GBd low EMI digital video interface system using small swing serial link technique
Author :
Lee, Kyeongho ; Shin, Yeshik ; Sungjoon Kim ; Jeong, Deog-Kyoon ; Kim, Gyudong ; Kim, Bruce ; Costa, Victor Da
Author_Institution :
Dept. of Electron. Eng., Seoul Nat. Univ., South Korea
fDate :
5/1/1998 12:00:00 AM
Abstract :
In a high-resolution flat panel system, a conventional interface that directly connects a liquid crystal display (LCD) controller to a flat panel cannot overcome the problems of excess EMI (electromagnetic interference) and power caused by full-swing transmission signals in parallel lines. This paper presents a high-speed digital video interface system implemented with a low-cost standard CMOS (complimentary metal-oxide-semiconductor) technology that can mitigate EMI and power problems in high-resolution flat panel display systems. The combined architecture of the high-speed, small number of parallel lines and low-voltage swing serial interface can support resolutions from VGA (640×480 pixels) up to XGA (1024×768 pixels) with significant power improvement and drastic EMI reduction. To support high-speed, low-voltage swing signaling and overcome channel-to-channel skew problems, a robust data recovery system is required. The proposed digital phase-locked loop enables robust skew-insensitive data recovery of up to 1.04 GBd
Keywords :
CMOS digital integrated circuits; computer displays; computer graphic equipment; digital phase locked loops; digital systems; driver circuits; electromagnetic interference; flat panel displays; interference suppression; liquid crystal displays; peripheral interfaces; video equipment; EMI reduction; LCD; VGA; XGA; channel-to-channel skew; digital PLL; digital phase-locked loop; digital video interface system; electromagnetic interference; full-swing transmission signals; high-resolution flat panel system; high-speed interface system; liquid crystal display; low EMI interface system; low-cost standard CMOS technology; parallel lines; power improvement; robust data recovery system; small swing serial link technique; CMOS technology; Control systems; Data communication; Electromagnetic interference; Flat panel displays; Logic; Phase locked loops; Robustness; Signal resolution; Transmitters;
Journal_Title :
Solid-State Circuits, IEEE Journal of
