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| Functional Description | |
2.11.15 Chrominance Processing Control 2 Register |
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Subaddress | 0Eh |
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Default | 0Eh |
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7 | 6 |
| 5 | 4 | 3 | 2 | 1 |
| 0 | |
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| 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 |
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Default | 055h |
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Subaddress |
| 7 |
| 6 | 5 | 4 | 3 |
| 2 | 1 | 0 |
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16h |
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| AVID start [7:0] |
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17h |
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| 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.
TVP5147M1PFP | 37 |