SLES209E
–
NOVEMBER 2007
–
REVISED OCTOBER 2011
3.21 Register Definitions
3.21.1 Video Input Source Selection #1 Register
Address
Default
7
00h
00h
6
Reserved
5
4
3
Black output
2
Reserved
1
Channel 1
source
selection
0
S-video
selection
Channel 1 source selection
0 = AIP1A selected (default)
1 = AIP1B selected
Table 3-12. Analog Channel and Video Mode Selection
INPUT(S) SELECTED
Composite
S-Video
AIP1A (default)
AIP1B
AIP1A (luminance),
AIP1B (chrominance)
ADDRESS 00
BIT 1
0
1
x
BIT 0
0
0
1
Black output
0 = Normal operation (default)
1 = Force black screen output (outputs synchronized)
a. Forced to 10h in normal mode
b. Forced to 01h in extended mode
3.21.2 Analog Channel Controls Register
Address
Default
7
01h
15h
6
Reserved
5
4
1
3
0
2
1
1
0
Automatic gain control
Automatic gain control (AGC)
00 = AGC disabled (fixed gain value)
01 = AGC enabled (default)
10 = Reserved
11 = AGC frozen to the previously set value
30
Functional Description
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