Cirrus Logic WM8940 Manual page 74

REGISTER BIT LABEL
ADDRESS
13:0 NF0_A1
18 (12h) 15 NF1_UP
14 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) 15:9
8 LIMEN
74
DEFAULT
0000h Notch Filter 0 a1 coefficient
0 Notch filter 1 update. The notch filter 1 values used
internally only update when one of the NFU bits is set
high.
0
Notch Filter 1 enable.
0=Disabled
1=Enabled
0000h Notch Filter 1 a0 coefficient
0 Notch filter 1 update. The notch filter 1 values used
internally only update when one of the NFU bits is set
high.
0 Reserved
0000h Notch Filter 1 a1 coefficient
0 Notch filter 2 update. The notch filter 2 values used
internally only update when one of the NFU bits is set
high.
0
Notch Filter 2 enable.
0=Disabled
1=Enabled
0000h Notch Filter 2 a0 coefficient
0 Notch filter 2 update. The notch filter 2 values used
internally only update when one of the NFU bits is set
high.
0 Reserved
0000h Notch Filter 2 a1 coefficient
0 Notch filter 3 update. The notch filter 3 values used
internally only update when one of the NFU bits is set
high.
0
Notch Filter 3 enable.
0=Disabled
1=Enabled
0000h Notch Filter 3 a0 coefficient
0 Notch filter 3 update. The notch filter 3 values used
internally only update when one of the NFU bits is set
high.
0
Notch Filter 3 mode select
0 = Notch Filter mode
1 = Low Pass Filter mode
0000h Notch Filter 3 a1 coefficient
00h Reserved
0
Enable the DAC digital limiter:
0=disabled
1=enabled
DESCRIPTION
WM8940
REFER TO
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)
Analogue to
Digital Converter
(ADC)
Analogue to
Digital Converter
(ADC)
Output Signal
Path
Rev 4.4