WM9714L_06 WOLFSON [Wolfson Microelectronics plc], WM9714L_06 Datasheet - Page 79
![no-image](/images/no-image-200.jpg)
WM9714L_06
Manufacturer Part Number
WM9714L_06
Description
AC 97 Audio CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM9714L_06.pdf
(94 pages)
- Current page: 79 of 94
- Download datasheet (2Mb)
3Ch
* “0” corresponds to “ON”, if and only if the corresponding bit in register 26h is also 0.
3Eh
* “0” corresponds to “ON”, if and only if the corresponding bit in register 26h is also 0.
40h
Pre-Production
Register 3Ch is for power management additional to the AC’97 specification. Note that the actual state of each circuit
block depends on both register 3Ch AND register 26h.
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.
Register 40h is a “general purpose” register as defined by the AC’97 specification. Only two bits are implemented in the
WM9714L.
w
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
15
14
13
12
11
10
9
7
6
5
4
3
2
1
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
13
7
BIT
BIT
BIT
PD15
VMID1M
TSHUT
VXDAC
AUXDAC
VREF
PLL
DACL
DACR
ADCL
ADCR
HPLX
HPRX
SPKX
MX
MCD
MICBIAS
MONO
OUT4
OUT3
HPL
HPR
SPKL
SPKR
LL
LR
MOIN
MA
MB
MPA
MPB
3DE
LB
LABEL
LABEL
LABEL
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
1 (OFF)
0 (OFF)
0 (OFF)
DEFAULT
DEFAULT
DEFAULT
AUXADC power down
Disables 1Meg Vmid resistor string
Disables thermal shutdown
Disables VXDAC
Disables AUXDAC
Disables reference generator
Disables PLL
Disables left DAC
Disables right DAC
Disables left ADC
Disables right ADC
Disables left headphone mixer
Disables right headphone mixer
Disables speaker mixer
Disables mono mixer
Disables microphone current detect
Disables microphone bias
Disables MONO output PGA
Disables OUT4 output PGA
Disables OUT3 output PGA
Disables HPL output PGA
Disables HPR output PGA
Disables SPKL output PGA
Disables SPKR output PGA
Disables LINEL PGA
Disables LINER PGA
Disables MONOIN PGA
Disables mic PGA MA
Disables mic PGA MB
Disables mic pre-amp MPA
Disables mic pre-amp MPB
Enables 3D enhancement
Enables loopback (i.e. feed
ADC output data directly into
DAC)
DESCRIPTION
DESCRIPTION
DESCRIPTION
Enhancement
Intel’s AC’97 Component
Specification, Revision 2.2, page 55
Audio DACs, 3D Stereo
REFER TO
PP Rev 3.0 June 2006
WM9714L
Power
Management
Power
Management
REFER TO
REFER TO
79
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