wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 84

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

0Ch
0Eh
10h
WM9714L
Register 0Ch controls the audio DACs (but not AUXDAC).
Register 0Eh controls the microphone PGA volume (MICA and MICB).
Register 10h controls the microphone routing (MICA and MICB).
w
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
15
14
13
12:8
4:0
12:8
4:0
7
6
5
4:3
2:0
BIT
BIT
BIT
D2H
D2S
D2M
DACLVOL
DACRVOL
MICAVOL
MICBVOL
MA2M
MB2M
MIC2MBST
MIC2H
MIC2HVOL
LABEL
LABEL
LABEL
1 (mute)
1 (mute)
1 (mute)
01000 (0dB)
01000 (0dB)
01000 (0dB)
01000 (0dB)
1 (mute)
1 (mute)
0 (0dB)
11 (mute)
010 (0dB)
DEFAULT
DEFAULT
DEFAULT
DAC to Headphone Mixer Mute Control
1 = Mute
0 = No mute
DAC to Speaker Mixer Mute Control
1 = Mute
0 = No mute
DAC to Mono Mixer Mute Control
1 = Mute
0 = No mute
Left DAC to Mixers Volume Control
00000 = +12dB
… (1.5dB steps)
11111 = -34.5dB
Right DAC to Mixers Volume Control
00000 = +12dB
… (1.5dB steps)
11111 = -34.5dB
MICA PGA Volume Control
00000 = +12dB
… (1.5dB steps)
11111 = -34.5dB
MICB PGA Volume Control
00000 = +12dB
… (1.5dB steps)
11111 = -34.5dB
MICA to Mono Mixer Mute Control
1 = Mute
0 = No mute
MICB to Mono Mixer Mute Control
1 = Mute
0 = No mute
MIC to Mono Mixer Boost Control
1 = +20dB
0 = 0dB
MIC to Headphone Mixer Path Control
00 = stereo
01 = MICA only
10 = MICB only
11 = mute MICA and MICB
MIC to Headphone Mixer Path Volume Control
000 = +6dB
… (+3dB steps)
111 = -15dB
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, Rev 3.2, October 2008
Pre-Production
Audio DACs
Analogue
Inputs,
Microphone
Input
Analogue
Inputs,
Microphone
Input
REFER TO
REFER TO
REFER TO
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