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IT66341 : 4 IN to 1 OUT HDMI2.0 18Gb/s Switch with Audio In/Out

The IT66341 is a HDMI2.0 4 IN to 1 OUT switch which supports maximum signaling rate up to 6Gbps/channel. It is compliant to the latest HDMI2.0b specification and backward compatible to the HDMI1.4 and DVI specifications. With 6Gbps/channel capability, the IT66341 can support ultra-high resolution content streams, such as 4Kx2K@50/60Hz video formats.

All 4 input ports and 1 output port support HDMI2.0 data rate up to 18Gb/s, and the input Port-0 can also support MHL2.2 at resolution up to 1080P@60Hz. In addition to the basic pass-through function, the IT66341 supports various data processing functions, such as video convert function and audio extract/merge function.

The convert function is used to convert the input 420 video format to the 444 or 422 video format that enables the HDMI1.4 source to transmit 4Kx2K@50/60Hz video in 420 to downstream HDMI RX without 420 supporting. For the audio content in HDMI/MHL data stream, the IT66341 can extract the audio from the input stream and/or merge the external audio to the output stream.

The IT66341 also builds in HDCP1.4/2.2 hardware engines which can be used to disable the HDCP encryption at the output port or convert HDCP2.2 to HDCP1.4 for closed system application. Each IT66341 chip comes preprogrammed with an unique HDCP key, in compliance with the HDCP 1.4/2.2 standard so as to provide secure transmission of high-definition content. Users of the IT66341 need not purchase any HDCP keys or ROMs.

The IT66341 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 IT66341 embedded CEC PHY, user 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.

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PART NO	PACKAGE TYPE	DESCRIPTION	FLASH SUPPORT
IT66341TE	144-pin TQFP 16mm x 16mm	4 IN to 1 OUT HDMI2.0 18Gb/s Switch

• Switch 4 HDMI1.4/HDMI2.0(18Gb/s) input ports to 1 HDMI1.4/HDMI2.0(18Gb/s) output port

• Support HDMI1.4, HDMI2.0/MHL2.2 dual mode on input Port-0

• Compliant with HDMI1.4b, HDMI2.0b, HDCP1.4, HDCP2.2 and DVI1.0 specifications

• On-chip EDID RAM for each input port

• Support 4Kx2K@50/60Hz 9Gb/s YCbCr420 convert to 4Kx2K@50/60Hz18Gb/s YCbCr444

• Support YCbCr420 to RGB444 or YCbCr444 or YCbCr422 conversion

• Support HDCP decryption on RX port and disable HDCP encryption to TX port for closed system

• Support HDCP1.4 to HDCP2.2 conversion

• Support HDCP2.2 to HDCP1.4 conversion

• Support audio extraction and output data thru 8-channel I2S/DSD and SPDIF audio interface.

- Up to 4 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 192kHz frame rate

- Support for 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 768KHZ

- Compatible with IEC 60958 and IEC 61937

• Support external audio stream merge with the input video stream and output to HDMITX port

• Support HDMI1.4 and MHL2.2 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

• Support HDMI2.0 3D feature

- Frame packing mode up to 4Kx2K@23.98/24/30Hz and 1080P@59.94/60Hz

- Top and Bottom up to 4Kx2K@59.94/60Hz

- Side-by-Side (Half) up to 4Kx2K@59.94/60Hz

- Side-by-Side (Full) up to 1080P@59.94/60Hz

- Support 3D Dual-View and 3D Independent View

• Support HDR and Gamut Metadata packet

• Support adaptive and programmable input equalization for long and short cables.

• 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 input signal detection of non-active input port

• Embedded full-function pattern generator

• Embedded hardware controlled CEC PHY

• Intelligent, programmable power management

• 144-Pin 16x16 TQFP package

• RoHS Compliant (100% Green available)

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產品資訊

IT66341 : 4 IN to 1 OUT HDMI2.0 18Gb/s Switch with Audio In/Out