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WM8946ECS/R Datasheet(PDF) 135 Page - Wolfson Microelectronics plc

Part # WM8946ECS/R
Description  Stereo Low-Power CODEC with Video Buffer
PDF  175 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8946ECS/R Datasheet(HTML) 135 Page - Wolfson Microelectronics plc

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Production Data
WM8946
w
PD, July 2012, Rev 4.3
135
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R42 (2Ah)
Output ctrl
15
THERR_ACT
1
Thermal Shutdown enable
0 = Disabled
1 = Enabled
When THERR_ACT = 1, then an overtemperature
condition will cause the speaker outputs to be disabled.
13
SPKR_VMID_
OP_ENA
0
Buffered VMID to SPKOUTR Enable
0 = Disabled
1 = Enabled
12
SPKL_VMID_O
P_ENA
0
Buffered VMID to SPKOUTL Enable
0 = Disabled
1 = Enabled
11
LINER_VMID_
OP_ENA
0
Buffered VMID to LINEOUTR Enable
0 = Disabled
1 = Enabled
10
LINEL_VMID_
OP_ENA
0
Buffered VMID to LINEOUTL Enable
0 = Disabled
1 = Enabled
9
LINER_MUTE
1
LINEOUTR Output Mute
0 = Disable Mute
1 = Enable Mute
8
LINEL_MUTE
1
LINEOUTL Output Mute
0 = Disable Mute
1 = Enable Mute
7
SPKR_DISCH
0
Discharges SPKOUTR output via approx 4k resistor
0 = Not active
1 = Actively discharging SPKOUTR
6
SPKL_DISCH
0
Discharges SPKOUTL output via approx 4k resistor
0 = Not active
1 = Actively discharging SPKOUTL
5
LINER_DISCH
0
Discharges LINEOUTR output via approx 4k resistor
0 = Not active
1 = Actively discharging LINEOUTR
4
LINEL_DISCH
0
Discharges LINEOUTL output via approx 4k resistor
0 = Not active
1 = Actively discharging LINEOUTL
1
SPK_VROI
0
Buffered VREF to SPKOUTL / SPKOUTR resistance
(Disabled outputs)
0 = approx 20k
1 = approx 1k
0
LINE_VROI
0
Buffered VREF to LINEOUTL / LINEOUTR resistance
(Disabled outputs)
0 = approx 20k
1 = approx 1k
Register 2Ah Output ctrl



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