WM8983GEFL/RV Wolfson Microelectronics, WM8983GEFL/RV Datasheet - Page 105

• Manufacturer Part Number: WM8983GEFL/RV
• Description: Audio CODECs Mbl Multimedia CODEC w/ 1W Speaker Driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8983GEFL/RV

• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C

Production Data
w
28 (1Ch)
29 (1Dh)
30 (1Eh)
32 (20h)
33 (21h)
REGISTER
ADDRESS
8
7
6:0
8
7
6:0
8
7
6:0
8:7
6
5:3
2:0
7:4
BIT
NFU
NFA0[6:0]
NFU
NFA1[13:7]
NFU
NFA1[6:0]
ALCSEL
ALCMAXGAIN
ALCMINGAIN
ALCHLD
LABEL
0
0
0000000
0
0
0000000
0
0
0000000
00
0
111
000
0000
DEFAULT
Notch filter update. The notch filter values used
internally only update when one of the NFU bits
is set high.
Reserved
Notch Filter a0 coefficient, bits [6:0]
Notch filter update. The notch filter values used
internally only update when one of the NFU bits
is set high.
Reserved
Notch Filter a1 coefficient, bits [13:7]
Notch filter update. The notch filter values used
internally only update when one of the NFU bits
is set high.
Reserved
Notch Filter a1 coefficient, bits [6:0]
ALC function select:
00=ALC off
01=ALC right only
10=ALC left only
11=ALC both on
Reserved
Set Maximum Gain of PGA
111=+35.25dB
110=+29.25dB
101=+23.25dB
100=+17.25dB
011=+11.25dB
010=+5.25dB
001=-0.75dB
000=-6.75dB
Set minimum gain of PGA
000=-12dB
001=-6dB
010=0dB
011=+6dB
100=+12dB
101=+18dB
110=+24dB
111=+30dB
ALC hold time before gain is increased.
0000 = 0ms
0001 = 2.67ms
0010 = 5.33ms
… (time doubles with every step)
1111 = 43.691s
DESCRIPTION
PD Rev 4.0 November 2006
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)
Input Limiter/
Automatic
Level Control
(ALC)
Input Limiter/
Automatic
Level Control
(ALC)
Input Limiter/
Automatic
Level Control
(ALC)
Input Limiter/
Automatic
Level Control
(ALC)
REFER TO
WM8983
105