WM8985_07 WOLFSON [Wolfson Microelectronics plc], WM8985_07 Datasheet - Page 104

• Manufacturer Part Number: WM8985_07
• Description: Multimedia CODEC With Class D Headphone and Line Out
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM8985
w
47 (2Fh)
48 (30h)
49 (31h)
REGISTER
ADDRESS
5:0
8
7
6:4
3
2:0
8
7
6:4
3
2:0
8:7
6
BIT
INPPGAVOLR
PGABOOSTL
L2_2BOOSTVOL
AUXL2BOOSTVOL
PGABOOSTR
R2_2BOOSTVOL
AUXR2BOOSTVOL
DACL2RMIX
LABEL
010000
1
0
000
0
000
1
0
000
0
000
00
0
DEFAULT
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. Initialise to 0
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. Initialise to 0
Controls the auxilliary 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. Initialise to 0
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. Initialise to 0
Controls the auxilliary 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. Initialise to 0
Left DAC output to right output mixer
0 = not selected
1 = selected
DESCRIPTION
PP, Rev 3.5, March 2007
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Input Signal
Path
Analogue
Outputs
Pre-Production
REFER TO
104