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Functional Description
37
SLES140A—March 2007 TVP5147M1PFP
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.