CH7218 (Sample Stage)

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FEATURES

  1. VESA DisplayPort Specification version 1.4a
  2. HDMI transmitter supports HDMI specification version 2.1/2.0/1.4b
  3. HDCP 1.4 and HDCP 2.3 standards
  4. Supports HDCP repeater mode
  5. High Dynamic Range (HDR) dynamic / static metadata incorporated
  6. DTV profile uncompressed high speed digital interface CTA-861-G
  7. DSC (Display Stream Compression Standard) v1.2a decoding and DSC bypass capable
  8. 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
  9. 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
  10. 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
  11. USB Type-C©  DisplayPort Alt-Mode to HDMI 2.1/2.0/1.4a protocol converter ready
  12. Integrated Ra, Rd and Rp resistors for DFP/UFP to identify connection
  13. Seamless switch between Type-C© SBU and DisplayPort AUX Channel
  14. USB Power Delivery 3.0 on CC (Control Channel) communication
  15. Built-in USB Billboard Class 1.2.2 and USB 2.0 PHY to support DisplayPort Alt-mode
  16. Embedded Microcontroller, ROM and EDID Buffer
  17. Firmware update through Chrontel proprietary technologies
  18. Configurable Power Saving mode and low stand-by current
  19. RoHS compliant and Halogen free package
  20. Offered in 68 pin QFN package




DESCRIBE

 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.

STRUCTURE DIAGRAM

DATA SHEET

TECHNICAL REPORT

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SPECIFICATIONS

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ORDER INFO

Part Number     Package Type      Content Protection    Operating Temperature Range      Minimum Order Quantity

CH7218A-BF   68 QFN, Lead-free        None                       Commercial : 0 to 70°C                260/Tray

CH7218A-BFK 68 QFN, Lead-free   HDCP 1.4 / 2.3            Commercial : 0 to 70°C                 260/Tray

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About Chrontel Overview Chrontel, headquartered in San Jose, California, is a privately-held company with over 130 employees worldwide. Incorporated in 1986, the company develops and markets mixed-signal integrated circuits for the PC, display and consumer mark...

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