STV6411A
I²C BUS SELECTION (Cont’d)
Input Signals (Write Mode)
Data Byte
TV Audio Output
Register
Address
(HEX)
Description
Audio Output selection
00
Stereo or Mono Mode
6dB Extra Gain
Level Adjustment
Data
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
X X X X X 0 0 0 Muted
X X X X X 0 0 1 AUX inputs selected
X X X X X 0 1 0 VCR inputs selected
X X X X X 0 1 1 ASTB inputs selected
3
X X X X X 1 0 0 NOT ALLOWED
X X X X X 1 0 1 Encoder inputs selected
X X X X X 1 1 0 NOT ALLOWED
X X X X X 1 1 1 NOT ALLOWED
X X X X 0 X X X 0 = Stereo
1
X X X X 1 X X X 1 = Mono
X X X 0 X X X X 0 = 0dB
1
X X X 1 X X X X 1 = +6dB
0 0 0 X X X X X 0dB Adjustment
3
1 1 1 X X X X X -14dB Adjustment (-2dB/step)
Audio Cinch Output
Register
Address
(HEX)
Description
Audio Output selection
01
6dB Extra Gain
Level Adjustment
Data
Bits
d7 d6 d5 d4 d3 d2 d1 d0
Comments
X X X X X 0 0 0 Muted
X X X X X 0 0 1 AUX inputs selected
X X X X X 0 1 0 VCR inputs selected
X X X X X 0 1 1 ASTB inputs selected
3
X X X X X 1 0 0 TV inputs selected
X X X X X 1 0 1 Encoder input selected
X X X X X 1 1 0 NOT ALLOWED
X X X X X 1 1 1 NOT ALLOWED
X X X 0 X X X X 0 = 0dB
1
X X X 1 X X X X 1 = +6dB
0 0 0 X X X X X 0dB Adjustment
3
1 1 1 X X X X X -14dB Adjustment (-2dB/step)
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