wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 98

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

3Ch
* “0” corresponds to “ON”, if and only if the corresponding bit in register 26h is also 0.
WM9714L
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.
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REGISTER
ADDRESS
15
14
13
12
11
10
9
7
6
5
4
3
2
1
0
BIT
PD15
VMID1M
TSHUT
VXDAC
AUXDAC
VREF
PLL
DACL
DACR
ADCL
ADCR
HPLX
HPRX
SPKX
MX
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)
DEFAULT
AUXADC Disable Control
1 = Disabled
0 = Enabled
1Meg VMID String Disable Control
1 = Disabled
0 = Enabled
Thermal Shutdown Disable Control
1 = Disabled
0 = Enabled
Voice DAC Disable Control
1 = Disabled
0 = Enabled
AUXDAC Disable Control
1 = Disabled
0 = Enabled
VREF Disable Control
1 = Disabled
0 = Enabled
PLL Disable Control
1 = Disabled
0 = Enabled
Left DAC Disable Control
1 = Disabled
0 = Enabled
Right DAC Disable Control
1 = Disabled
0 = Enabled
Left ADC Disable Control
1 = Disabled
0 = Enabled
Right ADC Disable Control
1 = Disabled
0 = Enabled
Left Headphone Mixer Disable Control
1 = Disabled
0 = Enabled
Right Headphone Mixer Disable Control
1 = Disabled
0 = Enabled
Speaker Mixer Disable Control
1 = Disabled
0 = Enabled
Mono Mixer Disable Control
1 = Disabled
0 = Enabled
DESCRIPTION
PP, Rev 3.2, October 2008
Pre-Production
Power
Management
REFER TO
98