wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 99

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

3Eh
* “0” corresponds to “ON”, if and only if the corresponding bit in register 26h is also 0.
Pre-Production
Register 3Eh is for power management additional to the AC’97 specification. Note that the actual state of each circuit
block depends on both register 3Eh AND register 26h.
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REGISTER
ADDRESS
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BIT
MCD
MICBIAS
MONO
OUT4
OUT3
HPL
HPR
SPKL
SPKR
LL
LR
MOIN
MA
MB
MPA
MPB
LABEL
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
1 (disabled)
DEFAULT
Microphone Current Detect Disable Control
1 = Disabled
0 = Enabled
Microphone Bias Disable Control
1 = Disabled
0 = Enabled
MONO PGA Disable Control
1 = Disabled
0 = Enabled
OUT4 PGA Disable Control
1 = Disabled
0 = Enabled
OUT3 PGA Disable Control
1 = Disabled
0 = Enabled
HPL PGA Disable Control
1 = Disabled
0 = Enabled
HPR PGA Disable Control
1 = Disabled
0 = Enabled
SPKL PGA Disable Control
1 = Disabled
0 = Enabled
SPKR PGA Disable Control
1 = Disabled
0 = Enabled
LINEL PGA Disable Control
1 = Disabled
0 = Enabled
LINER PGA Disable Control
1 = Disabled
0 = Enabled
MONOIN PGA Disable Control
1 = Disabled
0 = Enabled
MICA PGA Disable Control
1 = Disabled
0 = Enabled
MICB PGA Disable Control
1 = Disabled
0 = Enabled
Mic Pre-amp MPA Disable Control
1 = Disabled
0 = Enabled
Mic Pre-amp MPB Disable Control
1 = Disabled
0 = Enabled
DESCRIPTION
PP, Rev 3.2, October 2008
WM9714L
Power
Management
REFER TO
99