wm8988 Wolfson Microelectronics plc, wm8988 Datasheet - Page 43

• Manufacturer Part Number: wm8988
• Description: Stereo Codec For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Production Data
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Table 39 Power Management
R25 (19h)
Power
Management
(1)
R26 (1Ah)
Power
Management
(2)
* The left mixer is enabled when LOUT1=1 or LOUT2=1. The right mixer is enabled when
ROUT1=1 or ROUT2=1.
REGISTER
ADDRESS
8:7
6
5
4
3
2
8
7
6
5
4
3
BIT
VMIDSEL
VREF
AINL
AINR
ADCL
ADCR
DACL
DACR
LOUT1
ROUT1
LOUT2
ROUT2
LABEL
00
0
0
0
0
0
0
0
0
0
0
0
DEFAULT
Vmid divider enable and select
00 – Vmid disabled (for OFF mode)
01 – 50kΩ divider enabled (for
10 – 500kΩ divider enabled (for low-power
11 – 5kΩ divider enabled (for fast start-up)
VREF (necessary for all other functions)
0 = Power down
1 = Power up
Analogue in PGA Left
0 = Power down
1 = Power up
Analogue in PGA Right
0 = Power down
1 = Power up
ADC Left
0 = Power down
1 = Power up
ADC Right
0 = Power down
1 = Power up
DAC Left
0 = Power down
1 = Power up
DAC Right
0 = Power down
1 = Power up
LOUT1 Output Buffer*
0 = Power down
1 = Power up
ROUT1 Output Buffer*
0 = Power down
1 = Power up
LOUT2 Output Buffer*
0 = Power down
1 = Power up
ROUT2 Output Buffer*
0 = Power down
1 = Power up
playback/record)
standby)
DESCRIPTION
PD, Rev 4.0, October 2008
WM8988
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