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WM9093ECS/R Datasheet(PDF) 60 Page - Wolfson Microelectronics plc

Part # WM9093ECS/R
Description  Ultra Low Power Audio Subsystem
PDF  84 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9093ECS/R Datasheet(HTML) 60 Page - Wolfson Microelectronics plc

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WM9093
Production Data
w
PD, March 2012, Rev 4.2
60
REGISTER BITS BY ADDRESS
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R0 (00h)
Software
Reset
15:0
SW_RESET[15:0] 1001_0000
_1001_001
1
Writing to this register causes a Software Reset.
Reading from this register will indicate Chip ID.
Register 00h
Software Reset
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R1 (01h)
Power
Managemen
t (1)
12
SPKOUTL_ENA
0
Speaker Output Enable
0 = Disabled
1 = Enabled
9
HPOUT1L_ENA
0
Headphone Output (HPL) input stage enable
0 = Disabled
1 = Enabled
8
HPOUT1R_ENA
0
Headphone Output (HPR) input stage enable
0 = Disabled
1 = Enabled
3
OSC_ENA
0
CLK_SYS Oscillator Enable
0 = Disabled
1 = Enabled
2:1
VMID_RES[1:0]
11
VMID Divider Enable and Select
00 = VMID disabled (for OFF mode)
01 = 2 x 50k divider (for normal operation)
10 = 2 x 250k divider (for low power standby)
11 = 2 x 5k divider (for fast start-up)
0
BIAS_ENA
0
Enables the Normal bias current generator (for all
analogue functions)
0 = Disabled
1 = Enabled
Register 01h
Power Management (1)
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R2 (02h)
Power
Managemen
t (2)
15
TSHUT
0
Thermal shutdown status
0 = Normal temperature
1 = Over temperature
14
TSHUT_ENA
1
Thermal sensor enable
0 = Disabled
1 = Enabled
13
TSHUT_OPDIS
1
Thermal shutdown control
(Causes audio outputs to be disabled if an
overtemperature occurs. The thermal sensor must also
be enabled.)
0 = Disabled
1 = Enabled
7
IN1A_ENA
0
IN1A Input PGA Enable
0 = Disabled
1 = Enabled
6
IN1B_ENA
0
IN1B Input PGA Enable
0 = Disabled
1 = Enabled
(Note this is only required for single-ended input on the



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