DRA790 Datasheet, PDF (342/436 Pages) Texas Instruments – Infotainment Applications Processor

DRA790, DRA791
DRA793, DRA797
SPRS968A – AUGUST 2016 – REVISED FEBRUARY 2017
www.ti.com
• Support for a single external asynchronous pixel clock, up to 165MHz per port.
• Pixel Clock Input Domain Port A supports up to one 24-bit input data bus, including BT.1120 style
embedded sync for 16-bit and 24-bit data.
• Embedded Sync data interface mode supports single or multiplexed sources
• Discrete Sync data interface mode supports only single source input
• 24-bit data input plus discrete syncs can be configured to include:
– 8-bit YUV422 (Y and U/V time interleaved)
– 16-bit YUV422 (CbY and CrY time interleaved)
– 24-bit YUV444
– 16-bit RGB565
– 24-bit RGB888
– 12/16-bit RAW Capture
– 24-bit RAW capture
• Discrete sync modes include:
– VSYNC + HSYNC (FID determined by FID signal pin or HSYNC/VSYNC skew)
– VSYNC + ACTVID + FID
– VBLANK + ACTVID (ACTVID toggles in VBLANK) + FID
– VBLANK + ACTVID (no ACTVID toggles in VBLANK) + FID
• Multichannel parser (embedded syncs only)
– Embedded syncs only
– Pixel (2x or 4x) or Line multiplexed modes supported
– Performs demultiplexing and basic error checking
– Supports maximum of 9 channels in Line Mux (8 normal + 1 split line)
• Ancillary data capture support
– For 16-bit or 24-bit input, ancillary data may be extracted from any single channel
– For 8-bit time interleaved input, ancillary data can be chosen from the Luma channel, the Chroma
channel, or both channels
– Horizontal blanking interval data capture only supported when using discrete syncs (VSYNC +
HSYNC or VSYNC + HBLANK)
– Ancillary data extraction supported on multichannel capture as well as single source streams
• Format conversion and scaling
– Programmable color space conversion
– YUV422 to YUV444 conversion
– YUV444 to YUV422 conversion
– YUV422 to YUV420 conversion
– YUV444 Source: YUV444 to YUV444, YUV444 to RGB888, YUV444 to YUV422, YUV444 to
YUV420
– RGB888 Source: RGB888 to RGB888, RGB888 to YUV444, RGB888 to YUV422, RGB888 to
YUV420
– YUV422 Source: YUV422 to YUV422, YUV422 to YUV420, YUV422 to YUV444, YUV422 to
RGB888
– Supports RAW to RAW (no processing)
– Scaling and format conversions do not work for multiplexed input
• Supports up to 2047 pixels wide input - when scaling is engaged
• Supports up to 3840 pixels wide input - when only chroma up/down sampling is engaged, without
scaling
• Supports up to 4095 pixels wide input - without scaling and chroma up/down sampling
342 Detailed Description
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