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WM9090ECS/R データシート(PDF) 58 Page - Wolfson Microelectronics plc

部品番号 WM9090ECS/R
部品情報  Ultra Low Power Audio Subsystem
PDF  81 Pages
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メーカー  WOLFSON [Wolfson Microelectronics plc]
ホームページ  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9090ECS/R データシート(HTML) 58 Page - Wolfson Microelectronics plc

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WM9090
Production Data
w
PD, November 2010, Rev 4.1
58
REGISTER BITS BY ADDRESS
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R0 (00h)
Software
Reset
15:0
SW_RESET
[15:0]
Writing to this register causes a Software Reset.
Register 00h Software Reset
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R1 (01h)
Power
Managemen
t (1)
12
SPKOUTL_EN
A
0
Speaker Output Enable
0 = Disabled
1 = Enabled
9
HPOUT1L_EN
A
0
Headphone Output (HPOUTL) input stage enable
0 = Disabled
1 = Enabled
For pop-free operation, this bit should be set as the first
stage of the HPOUTL Enable sequence.
8
HPOUT1R_EN
A
0
Headphone Output (HPOUTR) input stage enable
0 = Disabled
1 = Enabled
For pop-free operation, this bit should be set as the first
stage of the HPOUTR Enable sequence.
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



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