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IT6622: HDMI 1.4 Tx with eARC RX and Embedded MCU

  • Product Information

  • Specification Table

  • Product Information

  • Specification Table

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Product Information

IT6622: HDMI 1.4 Tx with eARC RX and Embedded MCU

The IT6622 is a HDMI 1.4 Tx with eARC receiver function which supports maximum signaling rate up to 3 Gbps/channel. It is compliant with the latest HDMI 1.4b specification and backward compatible with the DVI specifications. With 3 Gbps/channel capability, the IT6622 can support ultra-high resolution content streams, such as 4K x 2K@30 Hz video formats.


An embedded pattern generator in IT6622 could be used to generate internal video stream which is merged to the external audio stream generated by audio encoder function to form a complete HDMI output signal.


The IT6622 TX port contains an audio receiver designed for HDMI 2.1 Enhanced Audio Return Channel (eARC) and it is also backward compatible with the HDMI 1.4 Audio Return Channel (ARC). When operating in eARC mode, the Differential Mode Audio Channel (DMAC) bandwidth, i.e. 98.304 Mbps, allows to receive 8-channel 192 K audio from HDMI Sink. No video stream and CEC function is required when eARC link is active.


The IT6622 also builds in HDCP 1.4 hardware engines. Each IT6622 chip comes preprogrammed with an unique HDCP key, in compliance with the HDCP 1.4 standard so as to provide secure transmission of high-definition content. Users of the IT6622 need not purchase any HDCP keys or ROMs.


The IT6622 also provides a complete solution of Consumer Electronics Control (CEC) function. This optional CEC feature of HDMI specification allows the user to control two or more CEC-enabled devices through HDMI network. With IT6622 embedded CEC PHY, users can use high-level software API to easily implement all the necessary remote control commands. The CEC bus related protocol is handled by the CEC PHY which eliminates extra loading of the MCU.


With embedded MCU and Flash, customers need no external Flash and MCU, which saves the BOM cost and board size.

Features

  • 1 HDMI 1.4 output port
  • Compliant with HDMI 1.4b, HDCP 1.4 and DVI 1.0 specifications
  • Support HDMI 1.4 ARC receiver function on TX port
  • Support HDMI 2.1 eARC receiver function on TX port
  • Support audio extraction and output data thru I2S/TDM, SPDIF and DSD audio interface

        -  Up to four I2S interfaces supporting maximum 8-channel audio, with sample rates of 32~192 kHz and sample sizes of 16~24 bits

        -  SPDIF interface supporting PCM, Dolby Digital, DTS digital audio at up to 192 kHz frame rate

        -  Support high-bit-rate (HBR) audio such as DTS-HD and Dolby TrueHD through the four I2S interface or the SPDIF interface, with frame rates as high as 768 kHz

        -  Compatible with IEC 60958 and IEC 61937

  • Support external audio stream merge with the video pattern generator and output to HDMITX port
  • Support auto-calibrated and programmable TMDS output current level, with optional output pre-emphasis and source termination
  • Support output TMDS R/G/B/C channel swapping
  • 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
  • Support multiplexing function between external audio input and internal audio stream
  • Embedded 256-byte Capabilities Data Structure
  • Embedded full-function pattern generator
  • Embedded hardware controlled CEC PHY
  • Embedded MCU and Flash
  • Intelligent, programmable power management
  • 56-pin 7 x 7 QFN 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

IT6622FN

56-pin QFN (7 mm x 7 mm)

HDMI 1.4 Tx with eARC RX and Embedded MCU

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