wm8973lgefl-v Wolfson Microelectronics plc, wm8973lgefl-v Datasheet - Page 49
wm8973lgefl-v
Manufacturer Part Number
wm8973lgefl-v
Description
Stereo Codec For Portable Audio Applications
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8973LGEFL-V.pdf
(61 pages)
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Production Data
w
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
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