ICE1230 IC Ensemble, ICE1230 Datasheet - Page 16

• Manufacturer Part Number: ICE1230
• Description: ac 97 Audio Codec
• Manufacturer: IC Ensemble

IC Ensemble, Inc .
Register Description ( continued... )
Line Input Control Register (Index 10h)
Mute
GL[4:0]
GR[4:0]
CD Input Control Register (Index 12h)
Mute
GL[4:0]
GR[4:0]
16
Mute
Mute
D15
D15
D14
D14
–
–
D13
D13
–
–
Line Input Mute Control
Left Channel Gain Control
Right Channel Gain Control
Left Channel Gain Control
Right Channel Gain Control
D12
“1” :
“0” :
These five bits select the gain applied to the LEFT channel of the Line 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 15 on page 19 for details.
These five bits select the gain applied to the RIGHT channel of the Line 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 15 on page 19 for details.
D12
CD Input Mute Control
“1” :
“0” :
These five bits select the gain applied to the LEFT channel of the CD 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 15 on page 19 for details.
These five bits select the gain applied to the RIGHT channel of the CD 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 15 on page 19 for details.
GL4
GL4
D11
GL3
D11
GL3
Mute enabled
Mute disabled
Mute enabled
Mute disabled
D10
GL2
D10
GL2
GL1
GL1
D9
D9
GL0
GL0
D8
D8
D7
D7
–
–
D6
D6
–
–
D5
D5
–
–
GR4
GR4
D4
D4
GR3
GR3
D3
D3
GR2
GR2
D2
D2
Preliminary
GR1
GR1
D1
D1
Rev. 1.3, 9/21/98
GR0
GR0
D0
D0
Default
Default
8808h
8808h