CS4299-KQ Cirrus Logic, CS4299-KQ Datasheet - Page 22

• Manufacturer Part Number: CS4299-KQ
• Description: CrystalClear SoundFusion Audio Codec 97
• Manufacturer: Cirrus Logic

4.5
Mute
PV[3:0]
Default
This register has no effect on the PC_BEEP volume during RESET#.
4.6
Mute
GN[4:0]
Default
22
Mute
Mute
D15
D15
PC_BEEP Volume Register (Index 0Ah)
Phone Volume Register (Index 0Ch)
D14
D14
0
0
D13
D13
0
0
PC_BEEP Mute. Setting this bit mutes the PC_BEEP input signal.
PC_BEEP Volume Control. The PV[3:0] bits are used to control the gain levels of the PC_BEEP
input source to the Input Mixer. Each step corresponds to 3 dB gain adjustment, with
0000 = 0 dB. The total range is 0 dB to -45 dB attenuation.
0000h. This value corresponds to 0 dB attenuation and Mute ‘clear’.
Phone Mute. Setting this bit mutes the Phone input signal.
Phone Volume Control. The GN[4:0] bits are used to control the gain levels of the Phone input
source to the Input Mixer. Each step corresponds to 1.5 dB gain adjustment, with 01000 = 0 dB.
The total range is +12 dB to -34.5 dB gain. See Table 4 on page 24 for further details.
8008h. This value corresponds to 0 dB gain and Mute ‘set’.
D12
D12
0
0
D11
D11
0
0
D10
D10
0
0
D9
D9
0
0
D8
D8
0
0
D7
D7
0
0
D6
D6
0
0
D5
D5
0
0
GN4
PV3
D4
D4
GN3
PV2
D3
D3
GN2
PV1
D2
D2
CS4299
GN1
PV0
D1
D1
GN0
D0
D0
0