Functional Description

2.11.44 AFE Fine Gain for Pb Register

Subaddress

4Ah−4Bh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

900h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Subaddress

 

7

 

6

 

5

4

 

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

4Ah

 

 

 

 

 

 

 

FGAIN 1 [7:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4Bh

 

 

 

 

Reserved

 

 

 

FGAIN 1 [11:8]

 

FGAIN 1 [11:0]: This fine gain applies to component Pb.

Fine_Gain = (1/2048) * FGAIN 1, where 0 FGAIN 1 4095

This register works only in manual gain control mode. When AGC is active, writing to any value is ignored.

1111 1111 1111 = 1.9995

1100 0000 0000 = 1.5

1001 0000 0000 = 1.125 (default)

1000 0000 0000 = 1

0100 0000 0000 = 0.5

0011 1111 1111 to 0000 0000 0000 = Reserved

2.11.45 AFE Fine Gain for Y_Chroma Register

Subaddress

4Ch−4Dh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

900h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Subaddress

 

7

 

6

 

5

4

 

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

4Ch

 

 

 

 

 

 

 

FGAIN 2 [7:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4Dh

 

 

 

 

Reserved

 

 

 

FGAIN 2 [11:8]

 

FGAIN 2 [11:0]: This gain applies to component Y channel or S-video chroma (see AFE fine gain for Pb register, Section 2.11.44).

This register works only in manual gain control mode. When AGC is active, writing to any value is ignored.

1111 1111 1111 = 1.9995

1100 0000 0000 = 1.5

1001 0000 0000 = 1.125 (default)

1000 0000 0000 = 1

0100 0000 0000 = 0.5

0011 1111 1111 to 0000 0000 0000 = Reserved

2.11.46 AFE Fine Gain for Pr Register

Subaddress

4Eh−4Fh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

900h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Subaddress

 

7

 

6

 

5

4

 

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

4Eh

 

 

 

 

 

 

 

FGAIN 3 [7:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4Fh

 

 

 

 

Reserved

 

 

 

FGAIN 3 [11:8]

 

FGAIN 3 [11:0]: This fine gain applies to component Pr (see AFE fine gain for Pb register, Section 2.11.44).

This register works only in manual gain control mode. When AGC is active, writing to any value is ignored.

1111 1111 1111 = 1.9995

1100 0000 0000 = 1.5

1001 0000 0000 = 1.125 (default)

1000 0000 0000 = 1

0100 0000 0000 = 0.5

0011 1111 1111 to 0000 0000 0000 = Reserved

52

TVP5147M1PFP

SLES140A—March 2007

Page 60
Image 60
Texas Instruments TVP5147M1PFP manual AFE Fine Gain for Pb Register, AFE Fine Gain for YChroma 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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