Functional Description

2.11.11 Luminance Contrast Register

Subaddress

0Ah

 

 

Default

80h

7

6

5

4

3

2

1

0

Contrast [7:0]

Contrast [7:0]: This register works for CVBS, S-video, and component video luminance.

1111 1111 = 255 (maximum contrast)

1000 0000 = 128 (default)

0000 0000 = 0 (minimum contrast)

2.11.12 Chrominance Saturation Register

Subaddress

0Bh

 

 

Default

80h

7

6

5

4

3

2

1

0

Saturation [7:0]

Saturation [7:0]: This register works for CVBS, S-video, and component video luminance.

1111 1111 = 255 (maximum)

1000 0000 = 128 (default)

0000 0000 = 0 (no color)

2.11.13 Chroma Hue Register

Subaddress

0Ch

 

 

Default

00h

7

6

5

4

3

2

1

0

Hue [7:0]

Hue [7:0] (does not apply to component video)

0111 1111 = +180 degrees

0000 0000 = 0 degrees (default)

1000 0000 = −180 degrees

2.11.14 Chrominance Processing Control 1 Register

Subaddress

 

0Dh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

 

00h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

6

 

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

Reserved

 

Color PLL reset

Chrominance adaptive

Reserved

Automatic color gain control [1:0]

 

 

comb enable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Color PLL reset:

0 = Color subcarrier PLL not reset (default)

1 = Color subcarrier PLL reset

Chrominance adaptive comb enable: This bit is effective on composite video only.

0 = Enabled (default)

1 = Disabled

Automatic color gain control (ACGC) [1:0]:

00= ACGC enabled (default)

01 = Reserved

10= ACGC disabled, ACGC set to the nominal value 11= ACGC frozen to the previous set value

36

TVP5147M1PFP

SLES140A—March 2007

Page 44
Image 44
Texas Instruments TVP5147M1PFP manual Luminance Contrast Register, Chrominance Saturation Register, Chroma Hue Register

TVP5147M1PFP specifications

The Texas Instruments TVP5147M1PFP is a versatile video decoder that stands out in the realm of analog video processing. This device is particularly designed for high-quality video applications, making it an excellent choice for a variety of consumer and professional electronics that require reliable video decoding capabilities.

One of the main features of the TVP5147 is its ability to decode multiple video formats, including NTSC, PAL, and SECAM. This flexibility allows the decoder to seamlessly interface with various video sources from different geographic regions, providing a global solution for video applications. The TVP5147 includes advanced synchronization features, ensuring it can effectively handle video signals that may vary in timing and quality.

The device is equipped with a sophisticated 10-bit analog-to-digital converter (ADC), which enhances the precision and clarity of the digital video output. This high-resolution capability allows for improved color accuracy and detail, leading to a more lifelike video representation. Additionally, the TVP5147 utilizes advanced digital processing technologies, including noise reduction and image enhancement features, contributing to outstanding image quality even in less than ideal input conditions.

Another notable characteristic of the TVP5147M1PFP is its support for various output formats, including ITU-R BT.601 and 656, which facilitates easy integration into different systems. The device can also provide various output resolutions, catering to the needs of diverse applications ranging from standard definition to high definition displays.

In terms of connectivity, the TVP5147 offers multiple input options, including composite video, S-video, and component video interfaces. This versatility ensures that it can accommodate a wide range of video sources, from traditional VHS players to modern digital cameras. Furthermore, the integrated video control features allow for easy adjustment of parameters such as brightness, contrast, and saturation.

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