WM8952 Datasheet, PDF (61/72 Pages) Wolfson Microelectronics plc – Mono ADC with Microphone Pre-amplifier

Pre Production
REGISTER BIT
ADDRESS
14
LABEL
NF1_EN
13:0 NF1_A0
19 (13h) 15 NF1_UP
14
13:0 NF1_A1
20 (14h) 15 NF2_UP
14 NF2_EN
13:0 NF2_A0
21 (15h) 15 NF2_UP
14
13:0 NF2_A1
22 (16h) 15 NF3_UP
14 NF3_EN
13:0 NF3_A0
23 (17h) 15 NF3_UP
14 NF3_LP
13:0 NF3_A1
24 (18h) 15:0
25 (19h) 15:0
26 (1Ah) 15:0
27 (1Bh) 15:0
28 (1Ch) 15:0
29 (1Dh) 15:0
30 (1Eh) 15:0
31(1Fh)
15:0
WM8952
DEFAULT
DESCRIPTION
REFER TO
0
0000h
0
0
0000h
0
0
0000h
0
0
0000h
0
0
0000h
0
0
0000h
0032h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
Notch Filter 1 enable.
0=Disabled
1=Enabled
Notch Filter 1 a0 coefficient
Notch filter 1 update. The notch filter 1 values used
internally only update when one of the NFU bits is set
high.
Reserved
Notch Filter 1 a1 coefficient
Notch filter 2 update. The notch filter 2 values used
internally only update when one of the NFU bits is set
high.
Notch Filter 2 enable.
0=Disabled
1=Enabled
Notch Filter 2 a0 coefficient
Notch filter 2 update. The notch filter 2 values used
internally only update when one of the NFU bits is set
high.
Reserved
Notch Filter 2 a1 coefficient
Notch filter 3 update. The notch filter 3 values used
internally only update when one of the NFU bits is set
high.
Notch Filter 3 enable
0=Disabled
1=Enabled
Notch Filter 3 a0 coefficient
Notch filter 3 update. The notch filter 3 values used
internally only update when one of the NFU bits is set
high.
Notch Filter 3 mode select
0 = Notch Filter mode
1 = Low Pass Filter mode
Notch Filter 3 a1 coefficient
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
w
PP, Rev 3.1, June 2011
61