WM8980CGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM8980CGEFL/RV Datasheet - Page 108

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

WM8980
w
46 (2Eh)
47 (2Fh)
48 (30h)
REGISTER
ADDRESS
5:0
8
7
6
5:0
8
7
6:4
3
2:0
8
7
BIT
INPPGA
VOLL
INPPGA
UPDATE
INPPGA
ZCR
INPPGA
MUTER
INPPGA
VOLR
PGA
BOOSTL
L2_2
BOOSTVOL
AUXL2
BOOSTVOL
PGA
BOOSTR
LABEL
010000
N/A
0
0
010000
1
0
000
0
000
1
0
DEFAULT
Left channel input PGA volume
000000 = -12dB
000001 = -11.25db
.
010000 = 0dB
.
111111 = 35.25dB
INPPGAVOLL and INPPGAVOLR volume do not
update until a 1 is written to INPPGAUPDATE (in
reg 45 or 46)
Right channel input PGA zero cross enable:
0=Update gain when gain register changes
1=Update gain on 1
write.
Mute control for right channel input PGA:
0=Input PGA not muted, normal operation
1=Input PGA muted (and disconnected from the
following input BOOST stage).
Right channel input PGA volume
000000 = -12dB
000001 = -11.25db
.
010000 = 0dB
.
111111 = +35.25dB
Boost enable for left channel input PGA:
0 = PGA output has +0dB gain through input
BOOST stage.
1 = PGA output has +20dB gain through input
BOOST stage.
Reserved
Controls the L2 pin to the left 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 left 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
Boost enable for right channel input PGA:
0 = PGA output has +0dB gain through input
BOOST stage.
1 = PGA output has +20dB gain through input
BOOST stage.
Reserved
DESCRIPTION
st
zero cross after gain register
PP, Rev 3.8, May 2012
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
REFER TO
Pre-Production
108