wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 85

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

12h
Pre-Production
Register 12h controls the record volume.
w
REGISTER
ADDRESS
15
14
13:8
7
6
5:0
BIT
RMU
GRL
RECVOLL
ZC
GRR
RECVOLR
LABEL
1 (mute)
0 (standard)
000000 (0dB)
0 (disabled)
0 (standard)
000000 (0dB)
DEFAULT
Audio ADC Input Mute Control
1 = Mute
0 = No mute
Left ADC PGA Gain Range Control
1 = Extended
0 = Standard
Left ADC Recording Volume Control
Standard (GRL=0)
XX0000: 0dB
XX0001: +1.5dB
… (1.5dB steps)
XX1111: +22.5dB
ADC PGA Zero Cross Control
1 = Zero cross enabled
0 = Zero cross disabled
Right ADC PGA Gain Range Control
1 = Extended
0 = Standard
Right ADC Recording Volume Control
Standard (GRR=0)
XX0000: 0dB
XX0001: +1.5dB
… (1.5dB steps)
XX1111: +22.5dB
DESCRIPTION
Extended (GRL=1)
000000: -17.25dB
000001: -16.5dB
… (0.75dB steps)
111111: +30dB
Extended (GRR=1)
000000: -17.25dB
000001: -16.5dB
… (0.75dB steps)
111111: +30dB
PP, Rev 3.2, October 2008
WM9714L
Audio ADC,
Record Gain
REFER TO
85