Datasheet

TVP5158, TVP5157, TVP5156
www.ti.com SLES243G –JULY 2009–REVISED APRIL 2013
Table 4-12. CVBS Autoswitch Mask
Subaddress 0Eh
Default 03h
7 6 5 4 3 2 1 0
Reserved PAL 60 Reserved NTSC 4.43 (Nc) PAL (M) PAL PAL (M, J) NTSC
Autoswitch mode mask
Limits the video formats between which autoswitch is possible.
PAL 60 0 Autoswitch does not include PAL 60 (default)
1 Autoswitch includes PAL 60
NTSC 4.43 0 Autoswitch does not include NTSC 4.43 (default)
1 Autoswitch includes NTSC 4.43
(Nc) PAL 0 Autoswitch does not include (Nc) PAL (default)
1 Autoswitch includes (Nc) PAL
(M) PAL 0 Autoswitch does not include (M) PAL (default)
1 Autoswitch includes (M) PAL
PAL 0 Reserved
1 Autoswitch includes (B, D, G, H, I, N) PAL (default)
(M, J) NTSC 0 Reserved
1 Autoswitch includes (M, J) NTSC (default)
Table 4-13. Auto Contrast Mode
Subaddress 0Fh
Default 03h
7 6 5 4 3 2 1 0
Reserved Auto Contrast Mode [1:0]
Auto Contrast Mode [1:0]
00h Enabled
01h Reserved
02h User Mode
03h Disabled (default)
Table 4-14. Luminance Brightness
Subaddress 10h
Default 80h
7 6 5 4 3 2 1 0
Brightness [7:0]
Brightness [7:0]
This register works for the luminance. See subaddress 12h.
0000 0000 0 (dark)
1000 0000 128 (default)
1111 1111 255 (bright)
The output black level relative to the nominal black level (64 out of 1024) as a function of the Brightness[7:0] setting is as follows:
Black Level = nominal_black_level + (M
B
+ 1) × (Brightness[7:0] - 128)
Where M
B
is the brightness multiplier setting in the Brightness and Contrast Range Extender register at I
2
C subaddress 12h.
Copyright © 2009–2013, Texas Instruments Incorporated Internal Control Registers 49
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