STV6412A
Table 14. TV Audio Output
Reg.
Addr
(Hex)
Description
Soft Volume Change
Level Adjustment
00
6 dB Extra Gain
TV Stereo or Mono Mode
Data
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
1 X X X X X X X 0 Active
X X X X X X X 1 Disabled
5 X X 0 0 0 0 0 X 0 dB
X X 1 1 1 1 1 X -62 dB (-2 dB/step)
1 X 0 X X X X X X 0 dB
X 1 X X X X X X +6 dB
1 0 X X X X X X X 0 = Stereo
1 X X X X X X X 1 = Mono
Table 15. Audio Selection & VCR Audio Output
Reg.
Addr
(Hex)
Description
Data
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
TV & CINCH Audio
Output Selection
01
CINCH Audio Gain
3 X X X X X 0 0 0 Muted
X X X X X 0 0 1 Encoder L/R selected
X X X X X 0 1 0 VCR L/R selected
X X X X X 0 1 1 AUX L/R selected
X X X X X 1 0 0 TV L/R selected
X X X X X 1 0 1 Not allowed
X X X X X 1 1 0 Not allowed
X X X X X 1 1 1 Not allowed
1 X X X X 0 X X X 0 dB
X X X X 1 X X X Follow TV Gain
2
VCR Audio Output Selection
X X 0 0 X X X X Muted
X X 0 1 X X X X Encoder L/R selected
X X 1 0 X X X X TV L/R selected
X X 1 1 X X X X AUX L/R selected
VCR Stereo or Mono Mode
1
0 X X X X X X X 0 = Stereo
1 X X X X X X X 1 = Mono
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