WM8980CGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM8980CGEFL/RV Datasheet - Page 109

• Manufacturer Part Number: WM8980CGEFL/RV
• Description: Stereo CODEC with Speaker Driver and Video Buffer
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Pre-Production
w
49 (31h)
50 (32h)
REGISTER
ADDRESS
6:4
3
2:0
8:7
6
5
4
3
2
1
0
8:6
5
BIT
R2_2
BOOSTVOL
AUXR2
BOOSTVOL
DACL2RMIX
DACR2LMIX
OUT4
BOOST
OUT3
BOOST
SPKBOOST
TSDEN
VROI
AUXLMIX
VOL
AUXL2L
MIX
LABEL
000
0
000
00
0
0
0
0
0
1
0
000
0
DEFAULT
Controls the R2 pin to the right channel input boost
stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Reserved
Controls the auxiliary amplifer to the right channel
input boost stage:
000=Path disabled (disconnected)
001=-12dB gain through boost stage
010=-9dB gain through boost stage
…
111=+6dB gain through boost stage
Reserved
Left DAC output to right output mixer
0 = not selected
1 = selected
Right DAC output to left output mixer
0 = not selected
1 = selected
0 = OUT4 output gain = -1;
1 = OUT4 output gain = +1.5
0 = OUT3 output gain = -1;
1 = OUT3 output gain = +1.5
0 = speaker gain = -1;
1 = speaker gain = +1.5;
Thermal Shutdown Enable
0 : thermal shutdown disabled
1 : thermal shutdown enabled
VREF (AVDD/2 or 1.5xAVDD/2) to analogue
output resistance
0: approx 1k
1: approx 30 k
Aux left channel input to left mixer volume control:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Left Auxiliary input to left channel output mixer:
0 = not selected
1 = selected
DC = AVDD / 2
DC = 1.5 x AVDD / 2
DC = AVDD / 2
DC = 1.5 x AVDD / 2
DC = AVDD / 2
DC = 1.5 x AVDD / 2
DESCRIPTION
PP, Rev 3.8, May 2012
Input Signal
Path
Input Signal
Path
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
REFER TO
WM8980
109