wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 132

• Manufacturer Part Number: wm8400
• Description: Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
• Manufacturer: Wolfson Microelectronics plc

WM8400
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REGISTER
ADDRESS
R3 (03h)
R4 (04h)
2:1
0
15
14
13
11
9
8
7
6
5
4
1
0
13
BIT
VMID_MODE
[1:0]
(rw)
VREF_ENA
(rw)
FLL_ENA
(rw)
TSHUT_ENA
(rw)
TSHUT_OPDIS
(rw)
OPCLK_ENA
(rw)
AINL_ENA
(rw)
AINR_ENA
(rw)
LIN34_ENA
(rw)
LIN12_ENA
(rw)
RIN34_ENA
(rw)
RIN12_ENA
(rw)
ADCL_ENA
(rw)
ADCR_ENA
(rw)
LON_ENA
(rw)
LABEL
00b
0b
0b
1b
1b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
DEFAULT
VMID Divider Enable and Select
00 = VMID disabled (for OFF mode)
01 = 2 x 50kΩ divider (Normal mode)
10 = 2 x 300kΩ divider (Standby mode)
11 = 2 x 6.8kΩ divider (for fast start-up)
VREF Enable (Bias for all analogue
functions)
0 = VREF bias disabled
1 = VREF bias enabled
FLL Enable
0 = disabled
1 = enabled
Audio Components Thermal Sensor
Enable
0 = Thermal sensor disabled
1 = Thermal sensor enabled
Audio Components Thermal Shutdown
Enable
(Requires thermal sensor to be enabled)
0 = Thermal shutdown disabled
1 = Thermal shutdown enabled
GPIO Clock Output Enable
0 = disabled
1 = enabled
Left Input Path Enable
(Enables AINLMUX, INMIXL, DIFFINL and
RXVOICE input to AINLMUX)
0 = disabled
1 = enabled
Left Input Path Enable (Enables
AINRMUX, INMIXR, DIFFINR and
RXVOICE input to AINRMUX)
0 = disabled
1 = enabled
LIN34 Input PGA Enable
0 = disabled
1 = enabled
LIN12 Input PGA Enable
0 = disabled
1 = enabled
RIN34 Input PGA Enable
0 = disabled
1 = enabled
RIN12 Input PGA Enable
0 = disabled
1 = enabled
Left ADC Enable
0 = disabled
1 = enabled
Right ADC Enable
0 = disabled
1 = enabled
LON Line Out and LONMIX Enable
0 = disabled
1 = enabled
DESCRIPTION
PP, April 2009, Rev 3.0
Pre-Production
132