CH7218

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特征

  • VESA DisplayPort Specification version 1.4a
  • HDMI transmitter supports HDMI specification version 2.1/2.0/1.4b
  • HDCP 1.4 and HDCP 2.3 standards
  • Supports HDCP repeater mode
  • High Dynamic Range (HDR) dynamic / static metadata incorporated
  • DTV profile uncompressed high speed digital interface CTA-861-G
  • DSC (Display Stream Compression Standard) v1.2a decoding and DSC bypass capable
  • Video color space including RGB at 6/8/10/12 bpc, YCbCr4:4:4 and YCbCr4:2:2 /4:2:0 at 8/10/12 bpc
  • RGB to YCC 4:4:4/4:2:2/4:2:0 and YCC 4:4:4/4:2:2 to YCC 4:2:0 color space conversions implemented
  • Digital audio supports up to 8 channel LPCM(16/20/24 bit) with sample rate up to 192kHz, compressed audio formats (AC3,DTS,DTS-HD MA, and Dolby MAT), HBR audio formats with frame rate up to 1536kHz, and 3D audio format with sample rate up to 192kHz
  • USB Type-C©  DisplayPort Alt-Mode to HDMI 2.1/2.0/1.4a protocol converter ready
  • Integrated Ra, Rd and Rp resistors for DFP/UFP to identify connection
  • Seamless switch between Type-C© SBU and DisplayPort AUX Channel
  • USB Power Delivery 3.0 on CC (Control Channel) communication
  • Built-in USB Billboard Class 1.2.2 and USB 2.0 PHY to support DisplayPort Alt-mode
  • Embedded Microcontroller, ROM and EDID Buffer
  • Firmware update through Chrontel proprietary technologies
  • Configurable Power Saving mode and low stand-by current
  • RoHS compliant and Halogen free package
  • Offered in 68 pin QFN package

描述

 Chrontel’s CH7218A is a low-cost, low-power semiconductor device that translates the DisplayPort signal to HDMI 2.1 through the USB Type-C connector.This innovative USB Type-C based DisplayPort receiver with a high performance DSC decoder, an integrated HDMI 2.1 Transmitter is specially designed to target the USB Type-C to HDMI 2.1 converter, adopter and docking device. Through the CH7218A’s advanced decoding / encoding algorithm, the input DisplayPort high-speed serialized multimedia data can be seamlessly converted to HDMI/DVI output.

The CH7218A’s DP receiver is compliant with the DisplayPort Specification 1.4 and Embedded DisplayPort (eDP) Specification version 1.4. With sophisticated DisplayPort signal detection and the Lane Swap/AUX polarity inversion logic, the CH7218A supports USB Type-C cable plug orientation switch. With internal HDCP key Integrated, the device supports HDCP 1.4 and 2.3 specifications. In the device’s receiver block, which supports four DisplayPort Main Link Lanes input with data rate running at 1.62Gbps, 2.7Gbps, 5.4Gbps or 8.1Gbps, and converted the input signal to HDMI output up to 8Kx4k@60Hz or 4K2K@120Hz in Fixed Rate Link mode. Leveraging the USB Power Delivery control logic, the USB billboard module for USB device indentify and DisplayPort’s Link Training routine, the CH7218A is capable of instantly bring up the video display to the HDMI 2.1 TV/Monitor when the initialization process is completed.

The CH7218A also supports up to 8-channel audio input from DP Rx and output from HDMI Tx with sample rate up to 192 KHz. Available audio bandwidth depends on the pixel clock frequency, the video format timing, and whether or not content protection re-synchronization is needed. With sophisticated MCU and the On Chip Flash, CH7218A support auto-boot and EDID buffer.Leveraging the firmware auto-loaded from the embedded ROM, CH7218A can support DP input detection, HDMI connection detection, and determine to enter into Power saving mode automatically.

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昆泰集成电路(上海)有限公司是美国Chrontel,Inc.在上海的全资子公司。Chrontel成立于1986年,是一家从事混合信号集成电路研发与生产的公司,总部位于美国硅谷圣何西,并于世界各地拥有多家子公司和办事机构。我们的产品包括电视解码器,电视编码器,DVI/LVDS/HDMI编码器,数字电视解调器,图像和音频处理,显示...

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