CH7117

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特征

  • HDMI Receiver compliant with HDMI 1.4 specification and DVI 1.0 specification
  • Support input resolution up to 1080p. Support Hot Plug detection for HDMI/DVI
  • Support multiple output formats:
    • SDTV format (CVBS or S-Video output, NTSC and PAL)
    • HDTV format (YPbPr output) for 480p, 576p, 720p, 1080i and 1080P
    • Analog RGB output for VGA with Triple 9-bit DAC up to 200MHz pixel rate. Sync signals can be provided in separated or composite manner. Support VESA and CEA timing standards up to UXGA and 1920x1080@60Hz
    • ITU-R 601 or ITU-R 656 compatible YCbCr 4:2:2 output format with embedded syncs or discrete syncs. Support resolution up to 1280 x 720@60Hz for YCbCr 4:2:2 output
  • On-chip Audio encoder which support 8 channel IIS/ S/PDIF audio output
  • Flexible scaler engine embedded
  • VGA output is compliant with VESA VSIS v1r2 specification
  • MCU embedded to handle the control logic
  • Support device boot up by automatically loading firmware from on-chip flash
  • Integrated EDID Buffer
  • TV connection detection supported
  • HDMI input detection supported
  • Support Auto Power Saving mode and low stand-by current
  • Support 422 to 444 conversion
  • Support RGB to YCC conversion in ITU-R BT.601 and 709 color space for SDTV/HDTV/BT656 output
  • IIC slave interface and HDMI DDC interface are available for debug and firmware update.
  • Low power architecture
  • RoHS compliant and Halogen free package
  • Offered in 88 pin QFN package

描述

Chrontel’s CH7117 is an innovative semiconductor device that consists of HDMI receiver, three separate 9-bit video Digital-to-Analog Converters (DACs), SDTV encoder, HDTV encoder, YCbCr 4:2:2 encoder and audio encoder, which can convert HDMI signals into CVBS / S-Video / YPbPr / BT656 / Analog RGB outputs with IIS or SPDIF audio output.

The HDMI Receiver and HDMI Transmitter integrated are compliant with HDMI 1.4b. The DACs are based on current source architecture. With sophisticated scaler engine and DDR RAM integrated, CH7117 receives the HDMI input signal with resolution up to 1920x1080@60Hz, and output SDTV / HDTV / BT656 / Analog RGB signal with any specified resolution.

With sophisticated MCU Embedded and the On chip Flash, CH7117 support auto-boot and EDID buffer. Leveraging Firmware auto loaded from the embedded Flash, CH7117 can support HDMI input detection, DAC connection detection and can be programmed to enter into Power Saving mode automatically.

The CH7117 also supports up to 8-channel audio input from HDMI port and output from the special audio output port 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.

结构图

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数据表

应用说明

PCB Layout and Design Guide for CH7117 HDMI to SDTV/HDTV/BT656 Converter with Flexible Scaler AN-B043-CH7117 Rev.0.4

技术报告

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规格

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订单信息

Part NumberPackage TypeOperating Temperature RangeMinimum Order Quantity

CH7117A-BF88 QFN, Lead-freeCommercial : 0 to 70°C168/Tray

视频

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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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