CH7034

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FEATURES


  • Single LVDS transmitter

  • Supports pixel rate up to 100M pixels/sec

  • Supports up to SXGA resolution (1208 x 1024)

  • LVDS low jitter PLL

  • LVDS 24-bit or 18-bit output

  • 2D dither engine for 18-bit output

  • Panel protection and power down sequencing

  • Programmable power management

  • Fully programmable through serial port

  • Complete Windows and DOS driver support

  • Variable voltage interface to graphics device

  • Offered in a 64-pin LQFP package

DESCRIBE

The CH7304 is a Display Controller device, which accepts a graphics data stream over one 12-bit wide variable voltage (1.1V to 3.3V) port. The data stream outputs through an LVDS transmitter to an LCD panel. A maximum of 100M pixels per second can be output through a single LVDS link.

The LVDS transmitter supports 24-bit panels; it also includes a programmable dither function for support of 18-bit panels. Data is encoded into commonly used formats, including those detailed in the OpenLDI and the SPWG specification. Serialized data output on four differential channels.

STRUCTURE DIAGRAM

DATA SHEET

APPLICATION DESC

  •   Crystal Oscillator, AN-06.pdf (50 KB, 7/26/01)

  •   Guideline to the Operation of EMI Emission Reduction of CH7034, AN-59.pdf (7/15/02)

  •   PCB Layout and Design Considerations for CH7034 Single LVDS Transmitter, AN-65.pdf (2/12/03)

TECHNICAL REPORT

 LVDS Dithering, TB-44.pdf (8/13/03)

SPECIFICATIONS

Input Interface DVO , TTL/Digital RGB, TTL/YCbCr

Output Interface LVDS

Audio Interface  No

Other features  No

Package Type  LQFP64

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Founded in 1986, Chrontel develops and markets mixed-signal integrated circuits. The company is a leading provider of display interface IC's for personal computers, portable media players & smartphones. Interfacing to different computing platform standards including TV, HDTV, LCD, ...

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