General Description
The IT66121 is a high-performance and low-power single channel HDMI transmitter, fully compliant with HDMI 1.3a, HDCP 1.2 and backward compatible to DVI 1.0 specifications. IT66121 also provide the HDMI1.4 3D feature, which enables direct 3D displays through an HDMI link. The IT66121 serves to provide the most cost-effective HDMI solution for DTV-ready consumer electronics such as set-top 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 Flat Panel TVs.

Features
■ Single channel HDMI transmitter
■ Compliant with HDMI 1.3a, HDCP 1.2 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 with RB swap option
   ◆ 16/20/24-bit YCbCr 4:2:2 with YC swap option
   ◆ 8/10/12-bit YCbCr 4:2:2 (CCIR-656)
   ◆ BTA-T1004 format
   ◆ DE-only interface
   ◆ DDR option
■ Support HDMI1.4 3D feature
   ◆ Frame packing mode up to 1080P@23.98/24Hz and 720P@59.94/60Hz
   ◆ Top and Bottom up to 1080P@59.94/60Hz
   ◆ Side-by-Side (Half) up to 1080P@59.94/60Hz
   ◆ Side-by-Side (Full) up to 720P@59.94/60Hz
■ Bi-direction Color Space Conversion (CSC) between RGB and YCbCr color spaces with
   programmable coefficients.
■ Digital audio input interface supporting
   ◆ audio sample rate: 32~192 kHz
   ◆ sample size: 16~24 bits
   ◆ four I2S interfaces supporting 8-channel audio
   ◆ S/PDIF interface supporting PCM, Dolby Digital, DTS digital audio transmission at up to
      192kHz
   ◆ Support for high-bit-rate (HBR) audio such as DTS-HD and Dolby TrueHD through 
       the four I2S interface or the S/PDIF interface, with frame rates as high as 768kHz
   ◆ Compatible with IEC 60958 and IEC 61937
■ Software programmable HDMI output current, 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 pre-programmed HDCP keys
■ Purely hardware HDCP engine increasing the robustness and security of HDCP operation
■ Monitor detection through Hot Plug Detection and Receiver Termination Detection
■ Embedded full-function pattern generator
■ Intelligent, programmable power management
■ Embedded hardware controlled CEC PHY
■ Ultra low power consumption, operation power is less than 70mw at 1080p@60Hz format.
■ 64-pin (9x9 mm) QFN package