TMS320DM814X datasheet(274/377 Pages) TI1

274 / 377 page

TMS320DM8148, TMS320DM8147

SPRS647E – MARCH 2011 – REVISED DECEMBER 2013

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8.10 High-Definition Video Processing Subsystem (HDVPSS)

The device High-Definition Video Processing Subsystem (HDVPSS) provides a video input interface for

external imaging peripherals (that is, image sensors, video decoders, and so on) and a video output

interface for display devices, such as analog SDTV displays, digital HDTV displays, digital LCD panels,

and so on. The HDVPSS includes HD and SD video encoders and an HDMI transmitter interface.

The device HDVPSS features include:

•

Two display processing pipelines with de-interlacing, scaling, alpha blending, chroma keying, color

space conversion, flicker filtering, and pixel format conversion.

•

HD/SD compositor features for PIP support.

•

Format conversions (up to 1080p 60 Hz) include scan format conversion, scan rate conversion, aspect-

ratio conversion, and frame size conversion.

•

Supports additional video processing capabilities by using the memory-to-memory feature of the

subsystem.

•

Two parallel video processing pipelines support HD (up to 1080p60) and SD (NTSC/PAL)

simultaneous outputs.

–

SD analog output with OSD with embedded timing codes (BT.656)

•

S-video or Composite output

•

2-channel SD-DAC with 10-bit resolution

•

Options available to support MacroVision and CGMS-A (contact local TI Sales rep for

information).

–

Digital HDMI 1.3a-compliant transmitter (for details, see Section 8.9, High-Definition Multimedia

Interface (HDMI)).

–

One digital video output supporting up to 30-bits @ 165 MHz

–

One digital video output supporting up to 24-bits @ 165 MHz

•

Two independently configurable external video input capture ports (up to 165 MHz).

–

16/24-bit HD digital video input or dual clock independent 8-bit SD inputs on each capture port.

–

8/16/24-bit digital video input

–

8-bit digital video input

–

Embedded sync and external sync modes are supported for all input configurations (VIN1 Port B

supports embedded sync only).

–

De-multiplexing of both pixel-to-pixel and line-to-line multiplexed streams, effectively supporting up

to 16 simultaneous SD inputs with a glueless interface to an external multiplexer such as the

TVP5158.

–

Additional

features

include:

programmable

color

space

conversion,

scaler

and

chroma

downsampler, ancillary VANC/VBI data capture (decoded by software).

•

Graphics features:

–

Three independently-generated graphics layers.

–

Each supports full-screen resolution graphics in HD, SD or both.

–

Up/down scaler optimized for graphics.

–

Global and pixel-level alpha blending supported.

For more detailed information on specific features and registers, see the High Definition Video Processing

Subsystem chapter of the TMS320DM814x DaVinci Digital Media Processors Technical Reference

Manual (Literature Number: SPRUGZ8).

274

Peripheral Information and Timings

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