Functional Description

2.11.35 Status 2 Register

Subaddress

3Bh

Read only

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

Signal present

Weak signal detection

PAL switch polarity

Field sequence status

Color killed

Macrovision detection [2:0]

Signal present detection:

0 = Signal not present

1 = Signal present

Weak signal detection:

0 = No weak signal

1 = Weak signal mode

PAL switch polarity of first line of odd field:

0 = PAL switch is zero.

1 = PAL switch is one.

Field sequence status:

0 = Even field

1 = Odd field

Color killed:

0 = Color killer not active

1 = Color killer activated

Macrovision detection [2:0]:

000 = No copy protection

001 = AGC pulses/pseudo syncs present (type 1)

010 = 2-line color stripe only present

011 = AGC pulses/pseudo syncs and 2-line color stripe present (type 2) 100 = Reserved

101 = Reserved

110 = 4-line color stripe only present

111 = AGC pulses/pseudo syncs and 4-line color stripe present (type 3)

2.11.36 AGC Gain Status Register

Subaddress

3Ch−3Dh

Read only

Subaddress

7

6

5

4

 

3

2

1

0

 

 

 

 

 

 

 

 

 

 

3Ch

 

 

 

 

Fine gain [7:0]

 

 

 

 

 

 

 

 

 

 

 

3Dh

 

Coarse gain [3:0]

 

 

 

Fine gain [11:8]

 

Fine gain [11:0]: This register provides the fine gain value of sync channel.

1111 1111 1111 = 1.9995

1000 0000 0000 = 1

0010 0000 0000 = 0.5

Coarse gain [3:0]: This register provides the coarse gain value of sync channel.

1111 = 2

0101 = 1

0000 = 0.5

These AGC gain status registers are updated automatically by the TVP5147M1 decoder with AGC on. In manual gain control mode, these register values are not updated by the TVP5147M1 decoder.

SLES140A—March 2007

TVP5147M1PFP

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Texas Instruments TVP5147M1PFP manual Status 2 Register, AGC Gain Status Register, Color killed

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.

The power consumption of the TVP5147M1PFP is optimized for low-energy applications while maintaining high performance, making it suitable for battery-powered devices and energy-efficient designs. Overall, the Texas Instruments TVP5147M1PFP is an exceptional video decoder that blends flexibility, high quality, and advanced technology, making it a preferred choice for video processing in numerous consumer and industrial applications. Its combination of features ensures reliable performance and high-quality output, fulfilling the demands of modern multimedia environments.