wm8973l Wolfson Microelectronics plc, wm8973l Datasheet - Page 49

• Manufacturer Part Number: wm8973l
• Description: Stereo Codec Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Production Data
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Table 43 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
1
8
7
6
5
4
3
2
1
BIT
VMIDSEL
VREF
AINL
AINR
ADCL
ADCR
MICB
DACL
DACR
LOUT1
ROUT1
LOUT2
ROUT2
MONO
OUT3
LABEL
00
0
0
0
0
0
0
0
0
0
0
0
0
0
0
DEFAULT
Vmid divider enable and select
00 – Vmid disabled (for OFF mode)
01 – 50k
10 – 500k
11 – 5k
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
MICBIAS
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
MONOOUT Output Buffer and Mono Mixer
0 = Power down
1 = Power up
OUT3 Output Buffer
0 = Power down
1 = Power up
playback/record)
standby)
divider enabled (for fast start-up)
divider enabled (for
divider enabled (for low-power
DESCRIPTION
PD Rev 4.2 September 2005
WM8973L
49