wm8940gefl-v Wolfson Microelectronics plc, wm8940gefl-v Datasheet - Page 74

• Manufacturer Part Number: wm8940gefl-v
• Description: Mono Codec With Speaker Driver
• Manufacturer: Wolfson Microelectronics plc

WM8940
w
18 (12h)
19 (13h)
20 (14h)
21 (15h)
22 (16h)
23 (17h)
24 (18h)
REGISTER
ADDRESS
13:0
15
14
13:0
15
14
13:0
15
14
13:0
15
14
13:0
15
14
13:0
15
14
13:0
15:9
BIT
NF0_A1
NF1_UP
NF1_EN
NF1_A0
NF1_UP
NF1_A1
NF2_UP
NF2_EN
NF2_A0
NF2_UP
NF2_A1
NF3_UP
NF3_EN
NF3_A0
NF3_UP
NF3_LP
NF3_A1
LABEL
0
0
0
0
0
0
0
0
0
0
0000h
0000h
0
0000h
0000h
0
0000h
0000h
0000h
00h
DEFAULT
Notch Filter 0 a1 coefficient
Notch filter 1 update. The notch filter 1 values used
internally only update when one of the NFU bits is set
high.
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
DESCRIPTION
PD, Rev 4.2, April 2008
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)
REFER TO
Production Data
74