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ST affirms iDP-LVDS 'bridge chips' support for cinema mode format

Posted: 10 Nov 2010 ?? ?Print Version ?Bookmark and Share

Keywords:bridge chips? iDP-LVDS? cinema?

A key supporters and developer of the Displayport and iDP (Internal DisplayPort) standard, STMicroelectronics, has launched its iDP-LVDS 'bridge chips,' the STiDP888 and STi880.

According to ST, these bridge chips are the industry's first internal DisplayPort to high-speed Dual LVDS/Quad LVDS converter chipset compliant with the VESA iDP standard.

The design flexibility of iDP permits the extension of the nominal value from 3.24 Gbps to 3.78 Gbps to support 120Hz Cinema Mode displays (2520x1080, 12bit/color). The VESA iDP standard answers the connection requirement between a TV controller SoC and a TV panel Timing Controller (TCON) within a TV chassis. It lowers the cost and manufacturing complexity compared with LVDS, explains ST.

The STiDP888 and STiDP880 each have a chipset that uses a single link internal DisplayPort interface consisting of four Main Link lanes and Hot Plug Detect, operating without a sideband channel.

The device supports the standard iDP link rate of 3.24 Gbps per lane (12.96 Gbps over 4 lanes) and extended 3.78 Gbps rate per lane (with a total link bandwidth of 15.12 Gbps over 4 lanes), accommodating interface connectivity for a wide range of panels up to Full HD and Cinema Mode format (120Hz and 12 bits per color). The advanced pre-emphasis and equalizer built into these devices provides robust performance over FFC and UTP type cables.

The STiDP888 and STiDP880 are is now in mass production and available in 12x12mm 164-ball LFBGA packages.

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