FEATURES GENERAL DESCRIPTION
 Multiple input formats supported:
— 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
— Single channel 18-bit/24-bit LVDS receiver
support display resolution up to 1366x768
— ITU-R 601 or ITU-R 656 compatible YCbCr
4:2:2 input format with embedded syncs.
Support resolution up to 1280 x 720@60Hz for
YCbCr 4:2:2 input
 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
— Single channel 18-bit/24-bit LVDS transmitter
support display resolution up to 1366x768
— 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
separate 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 EEPROM
 Integrated EDID Buffer
 OSD controller support
 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 is available for debug and
Chrontel’s CH7117B is an innovative semiconductor
device that consists of HDMI receiver, single channel
LVDS receiver/transmitter, three separate 9-bit video
Digital-to-Analog Converters (DACs), SDTV encoder,
HDTV encoder, YCbCr 4:2:2 decoder/encoder and audio
encoder, which can convert HDMI / LVDS / BT656
signals into CVBS / S-Video / YPbPr / LVDS / BT656 /
Analog RGB outputs with IIS or SPDIF audio output.
The HDMI receiver integrated is compliant with HDMI
1.4b. The DACs are based on current source architecture.
The single channel LVDS receiver/transmitter complies
with the SPWG or OpenLDI specification, popular LVDS
standards used by panel manufacturers. Each input/output
LVDS interface is equipped with 4/1 pairs of differential
signal buses to support video data and clock. The device’s
LVDS receiver/transmitter can accept/output maximum
video clock frequency for up to 85MHz or 1366x768
resolution in 24-bit color per pixel.
With a powerful scaling engine working together with
other video processing circuits, CH7117B will convert the
captured input signal with resolution up to
1920x1080@60Hz, which is stored in the internal DDR
RAM, into analog video format or LVDS/BT656 signal
with any specified resolution.
With sophisticated MCU Embedded, CH7117B support
auto-boot and EDID buffer. Leveraging Firmware auto
loaded from the External EEPROM, CH7117B can
support HDMI input detection, DAC connection detection
and can be programmed to enter into Power Saving mode
automatically.
The CH7117B 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.
firmware update.
 Low power architecture
 RoHS compliant and Halogen free package
 Offered in 88 pin QFN package
APPLICATIONS
 Car Infotainment Device
 Converter Box
 Tablet Device
 OTT/IPTV Box