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IT66631: HDMI 2.0-to-HDMI 2.0/TTL Dual Output Converter

  • Product Information

  • Specification Table

  • Product Information

  • Specification Table

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Product Information

IT66631: HDMI 2.0-to-HDMI 2.0/TTL Dual Output Converter

The IT66631 is a one-to-two, HDMI 2.0 to HDMI 2.0/TTL converter that supports a signaling rate of up to 6.0 Gbps per channel on the HDMI interface. It is compatible with the latest HDMI 2.0 and HDCP 2.3 specifications. The 18.0 Gbps bandwidth capability of IT66631 allows it to support content stream such as the popular ultra-high definition 4K x 2K 60 Hz format, 3D video with 4K x 2K@30 Hz, and so on. SCDC data structure is contained in both HDMI RX and HDMI TX side of IT66631 such that HDMI 2.0 content could be properly received and transmitted to downstream side. The 48-bit TTL outputs of IT66631 make solutions with HDMI interface and TTL-in video processors possible.


To facilitate system design, IT66631 integrates on-chip CSC conversion (including YCbCr 420/422/444 up or down and RGB/YCbCr conversion) and 4:1 down-sampling function, and thereby proper video stream could be output to HDMITX and TTL. The 4:1 down-sampling function is especially useful for those applications that include a video path merely capable of displaying 1080p or lower resolutions.


The installed HDCP2.x engines and keys on both HDMI RX/TX make IT66631 possible to act as an HDCP2.x/1.x Repeater or an HDCP2.x/1.x to 1.x/legacy converter, eliminating HDCP compatibility issue. Note that the HDCP2.x/1.x to 1.x/legacy conversion usage is restricted for closed system applications only.


The IT66631 equalizes incoming TMDS signal to optimal and outputs retimed data to downstream HDMI sinks. The highly acclaimed equalization technology of ITE TECH. INC. provides support of long or low-quality HDMI cables at even the highest speeds. Input terminations of the TMDS inputs and output current levels are both programmable.


An EDID RAM is embedded in the IT66631 to save the cost of the external EDID ROMs. The process of downloading the EDID data into the RAM is simplified by firmware programming.


The IT66631 operates in the software mode, allowing the system to control it via a two-line serial interface, PCSCL/PCSDA. Two serial programming addresses can be selected by PCADR.

Features

  • Compliant with HDMI 2.0 and HDCP 2.3 standards
  • Backward compliant with HDMI 1.4, and HDCP 1.X standards
  • Supports RGB and YCbCr 444/422/420 format
  • Supports CSC (color space conversion) matrix and 420/422/444 conversion (1:1; 1:2; 2:1)
  • Supports 4:1 Down-scaling for applications such as 4K2K content to 1080P format on legacy display
  • Bypass, CSC-processed, or down-scaled content can be selected on HDMI/TTL ports individually
  • Serial data rate of up to 6.0 Gbps, capable of supporting HDMI 2D video up to 4K x 2K@60 Hz and 3D up to 4K2K@30 Hz
  • Supports Deep Color Mode up to 36 bits (12 bits/color) on HDMI RX and HDMI TX
  • Supports HDMI 2.0 and HDMI 1.4 3D format with frame packing/Top and Bottom/side by side mode
  • Supports HDCP 2.x/1.x TX/RX/Repeater function as well as usage of HDCP 2.x/1.x to 1.x/legacy conversion for closed system application
  • Integrated pre-programmed HDCP keys
  • Pure hardware HDCP 2.x and 1.x engine increasing robustness and security of HDCP operation
  • Embedded EDID RAM saving external EDID ROM costs
  • Active source and sink detection for implementation of auto low power state
  • Disconnectable input termination with auto-calibrated impedance
  • Adaptive input equalization supporting long and short cables at the same time
  • Programmable TMDS output current level
  • Programmable source termination compliant with HDMI 2.0 standard, providing optimal source data eyes at high speeds
  • Supports 36-bit single pixel or 48-bit dual pixel LVTTL output
  • Supports both SDR and DDR output mode:

        - In the DDR mode, the output clock rate is up to 150 MHz, equivalent to 300 MHz data rate

        - The Maximum resolution for the TTL output is 4K x 2K@60 Hz with 8bpp when operated in the 48-bit dual pixel and DDR mode

  • 128-Pin LQFP package
  • RoHS compliant (100% green available) 

Specification Table

After years of technology development, ITE has owned many types of advanced Silicon Intellectual Property (SIP) and highly integrated technology of system software/hardware.

PART NO.

PACKAGE TYPE

DESCRIPTION

FLASH SUPPORT

IT66631

128-pin LQFP (14 mm x 14 mm)

HDMI 2.0-to-HDMI 2.0/TTL Dual Output Converter

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