Revision 1.5, October 11, 2002
13
Data Sheet
VT1616 6-Channel AC97 Codec with S/PDIF
Video Input Control Register (Index 14h)
Mute
Video Input Mute Control
“1” :
Mute enabled“0”:Mute d
isabled
GL[4:0]
Left Channel Gain Control
These five bits select the gain appliedto the Left channel of the Video Input signal. The gain is
programmable from -34.5dB to 12dB in 1.5dB increments, providing a total of 32 programmable
levels. Please refer to Table 3 on page 14 for details.
GR[4:0]
Right Channel Gain Control
These five bits select the gain appliedto the Right channel of the Video Input signal. The gain is
programmable from -34.5dB to 12dB in 1.5dB increments, providing a total of 32 programmable
levels. Please refer to Table 3 on page 14 for details.
Auxiliary Input Control Register (Index 16h)
Mute
Auxiliary Input Mute Control
“1” :
Mute enabled“0”:Mute d
isabled
GL[4:0]
Left Channel Gain Control
These five bits select the gain appliedto the Left channel of the Auxiliary Input signal. The gain is
programmable from -34.5dB to 12dB in 1.5dB increments, providing a total of 32 programmable
levels. Please refer to Table 3 on page 14 for details.
GR[4:0]
Right Channel Gain Control
These five bits select the gain appliedto the Right channel of the Auxiliary Input signal. The gain is
programmable from -34.5dB to 12dB in 1.5dB increments, providing a total of 32 programmable
levels. Please refer to Table 3 on page 14 for details.
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Default
Mute
–
–
GL4
GL3
GL2
GL1
GL0
–
–
–
GR4
GR3
GR2
GR1
GR0
8808h
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Default
Mute
–
–
GL4
GL3
GL2
GL1
GL0
–
–
–
GR4
GR3
GR2
GR1
GR0
8808h
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