[Chip Advanced Technology Inc.]

General Description
The CAT6611 is a high-performance and low-cost single channel HDMI transmitter, fully compliant with HDMI 1.2, HDCP 1.1 and backward compatible to DVI 1.0 specifications. The CAT6611 serves to provide the most cost-effective HDMI solution for DTV-ready consumer electronics such as settop boxes, DVD players and A/V receivers, as well as DTV-enriched PC products such as notebooks and desktops, without compromising the performance. Its backward compatibility to DVI standard allows connectivity to myriad video displays such as LCD and CRT monitors, in addition to the ever-so-flourishing flatpanel TVs.

FEATUREs
■ Single channel HDMI transmitter
■ Compliant with HDMI 1.2, HDCP 1.1 and DVI 1.0 specifications
■ Supporting pixel rates from 25MHz to 165MHz
   ♦ DTV resolutions: 480i, 576i, 480p, 576p, 720p, 1080i up to 1080p
   ♦ PC resolutions: VGA, SVGA, XGA, SXGA up to UXGA
■ Various video input interface supporting digital video standards such as:
   ♦ 24-bit RGB/YCbCr 4:4:4
   ♦ 16/20/24-bit YCbCr 4:2:2
   ♦ 8/10/12-bit YCbCr 4:2:2 (CCIR-656)
   ♦ 12-bit double data rate interface
■ Bi-direction Color Space Conversion (CSC) between RGB and YCbCr color spaces with programmable coefficients.
■ Up/down sampling between YCbCr 4:4:4 and YCbCr 4:2:2
■  Dithering for conversion from 12-bit component and 8-bit
■ Digital audio input interface supporting
   ♦ audio sample rate: 32~192 kHz
   ♦ sample size: 16~24 bits
   ♦ Up to four I2S interface supporting 8-channel audio
   ♦ S/PDIF interface supporting PCM, Dolby Digital, DTS digital audio transmission at up to 192kHz
   ♦ Compatible with IEC 60958 and IEC 61937
   ♦ Audio down-sampling of 2X and 4X
■ Software programmable HDMI output current level of up to +50%, enabling user to optimize the performance for fixed-cable systems or those with pre-defined cable length
■ MCLK input is optional for audio operation. Users could opt to implement audio input interface with or without MCLK.
■ Integrated/External pre-programmed HDCP keys at customers requests
■  Purely hardware HDCP engine increasing the robustness and security of HDCP operation
■  Monitor detection through Hot Plug Detection and Receiver Termination Detection
■  Intelligent, programmable power management
■  80-pin LQFP package