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Interface IC supports highest screen resolutions up to 4K2K

Posted: 06 Dec 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Texas Instruments? 4K2K? tablet? all-in-one PC? DisplayPort?

Texas Instruments (TI) has unleashed an interface IC that offers a MIPI DSI bridge between the graphics processor and embedded DisplayPort (eDP) panel. The company said the SN65DSI86 supports the industry's highest screen resolution up to 4K2Kp60 for tablets, clamshell notebooks and all-in-one PCs.

Compared to similar devices, the device's 1.5Gb/s DSI data rate delivers more than 30 percent higher bandwidth, TI indicated. In addition, its dual MIPI DSI channels in a 20 percent smaller package saves PCB area, giving system designers greater design flexibility for space-constrained mobile applications.


The SN65DSI86 supports LCD panels up to 4096 x 2160p with 18bpp at 60fps, and 1920 x 1200 WXUGA 3D resolution (24bpp) at 120fps with odd/even or left/right configurations. This gives system designers the flexibility to support a variety of different panels and resolutions. In addition, the device has a dual-channel, four MIPI DSI lanes that support 1.5Gb/s, offering a maximum input bandwidth of 12Gb/s for the highest data throughput performance compared to competitive solutions. Compatibility with eDP version 1.4 supports seven data rates up to 5.4Gb/s HBR2, which allows system designers to use fewer wire and board traces between the device and LCD panel, said the firm.

The interface IC consumes less than 200mW active, 30mW suspend power and 3mW shutdown and boasts a combination of receive equalization, selectable transmitter de-emphasis and output swing that enables flexible component location, and allows for longer traces between the graphics processor and SN65DSI86, as well as longer cables from the bridge chip to LCD panel.

The SN65DSI86 works with the SN75DP130 DisplayPort re-driver, and is part of a pin-compatible family of MIPI DSI bridge chips that allow designers to select the right bridge for the resolutions they need.

A variety of tools and support are also available to speed development with the SN65DSI86, including an IBIS model, DSI tuner software and hardware implementation guide.

The SN65DSI86 is available today in a 5 x 5mm, 64-ball PBGA package. Suggested retail pricing is $5.61 in 1,000-unit quantities.

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