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WM8952ECS/RV Scheda tecnica(PDF) 60 Page - Wolfson Microelectronics plc

Il numero della parte WM8952ECS/RV
Spiegazioni elettronici  Mono ADC with Microphone Pre-amplifier
PDF  72 Pages
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Produttore elettronici  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8952ECS/RV Scheda tecnica(HTML) 60 Page - Wolfson Microelectronics plc

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WM8952
Pre Production
w
PP, Rev 3.1, June 2011
60
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
2:0
GPIOSEL
000
GPIO function select:
000=GPIO off
010=Temp ok
100=SYSCLK clock o/p
101=PLL lock
All other values: Reserved
General Purpose
Input Output
9 (09h)
15:2
Reserved
1
AUTOINC
1
Auto-Incremental write enable
0=Auto-Incremental writes disabled
1=Auto-Incremental writes enabled
Control Interface
0
0
Reserved
10 (0Ah)
15:0
0000h
Reserved
11 (0Bh)
15:0
00FFh
Reserved
12 (0Ch)
15:0
Reserved
13 (0Dh)
15:0
Reserved
14 (0Eh)
15:9
00h
Reserved
8
HPFEN
1
High Pass Filter Enable
0=disabled
1=enabled
Analogue to
Digital Converter
(ADC)
7
HPFAPP
0
Select audio mode or application mode
0=Audio mode (1
st order, fc = ~3.7Hz)
1=Application mode (2nd order, fc = HPFCUT)
Analogue to
Digital Converter
(ADC)
6:4
HPFCUT
000
Application mode cut-off frequency
See Table 14 for details.
Analogue to
Digital Converter
(ADC)
3:1
00
Reserved
0
ADCPOL
0
ADC Polarity
0=normal
1=inverted
Analogue to
Digital Converter
(ADC)
15 (0Fh)
15:8
00h
Reserved
7:0
ADCVOL
11111111
ADC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
Analogue to
Digital Converter
(ADC)
16 (10h)
15
NF0_UP
0
Notch filter 0 update. The notch filter 0 values used
internally only update when one of the NF0_UP bits is
set high.
Analogue to
Digital Converter
(ADC)
14
NF0_EN
0
Notch filter 0 enable:
0=Disabled
1=Enabled
Analogue to
Digital Converter
(ADC)
13:0
NF0_A0
0000h
Notch Filter 0 a0 coefficient
Analogue to
Digital Converter
(ADC)
17 (11h)
15
NF0_UP
0
Notch filter 0 update. The notch filter 0 values used
internally only update when one of the NF0_UP bits is
set high.
Analogue to
Digital Converter
(ADC)
14
0
Reserved
13:0
NF0_A1
0000h
Notch Filter 0 a1 coefficient
Analogue to
Digital Converter
(ADC)
18 (12h)
15
NF1_UP
0
Notch filter 1 update. The notch filter 1 values used
internally only update when one of the NFU bits is set
high.
Analogue to
Digital Converter
(ADC)



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