Texas Instruments TVP5147M1PFP manual Chrominance Processing Control 2 Register

Models: TVP5147M1PFP

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2.11.15 Chrominance Processing Control 2 Register

 

 

 

 

 

 

 

 

 

Functional Description

2.11.15 Chrominance Processing Control 2 Register

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Subaddress

0Eh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

0Eh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

6

 

5

4

3

2

1

 

0

 

 

 

 

 

 

 

 

 

 

 

Reserved

 

PAL compensation

WCF

Chrominance filter select [1:0]

PAL compensation:

0 = Disabled

1 = Enabled (default)

Wideband chroma LPF filter (WCF):

0 = Disabled

1 = Enabled (default)

Chrominance filter select [1:0]:

00 = Disabled

01 = Notch 1

10 = Notch 2 (default)

11 = Notch 3

See Figure 2−6 and Figure 2−7 for characteristics.

2.11.16 AVID Start Pixel Register

Subaddress

16h−17h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

055h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Subaddress

 

7

 

6

5

4

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

16h

 

 

 

 

 

AVID start [7:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17h

 

 

 

Reserved

 

AVID active

 

Reserved

AVID start [9:8]

AVID active:

0 = AVID out active in VBLK (default)

1 = AVID out inactive in VBLK

AVID start [9:0]: AVID start pixel number, this is an absolute pixel location from HSYNC start pixel 0.

 

NTSC 601

NTSC Sqp

PAL 601

PAL Sqp

default

85 (55h)

86 (56h)

88 (58h)

103 (67h)

The TVP5147M1 decoder updates the AVID start only when the AVID start MSB byte is written to. If the user changes these registers, then the TVP5147M1 decoder retains values in different modes until this device resets. The AVID start pixel register also controls the position of the SAV code.

SLES140A—March 2007

TVP5147M1PFP

37

Page 45
Image 45
Texas Instruments TVP5147M1PFP manual Chrominance Processing Control 2 Register, AVID Start Pixel Register