XWM8739SEDS/V View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'XWM8739SEDS/V' PDF : 37 Pages View PDF
WM8739
Production Data
REGISTER MAP
The complete register map is shown in Table 19. The detailed description can be found in the
relevant text of the device description. There are 8 registers with 9 bits per register. These can be
controlled using either the 2 wire or 3 wire MPU interface.
REGISTER B B B B B B B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
15 14 13 12 11 10
LRIN LIN
R0 (00h)
0000000
0
0
BOTH MUTE
LINVOL
RLIN RIN
R1 (02h)
0000001
0
0
BOTH MUTE
RINVOL
ADC
R5 (0Ah) 0 0 0 0 1 0 1
0
0
0
0 HPOR 0
0
0
HPD
R6 (0Ch) 0 0 0 0 1 1 0
PWR
0
1 OSCPD 1
OFF
LINEIN
1 ADCPD 1
PD
R7 (0Eh) 0 0 0 0 1 1 1
0
0
MS
0 LRP
IWL
FORMAT
R8 (10h)
0001000
0
CLKI
0
DIV2
SR
BOSR
USB/
NORM
R9 (12h)
0001001
0
0
0
0
0
0
0
0 ACTIVE
R15(1Eh) 0 0 0 1 1 1 1
RESET
ADDRESS
DATA
REGISTER
ADDRESS
0000000
Left Line In
0000001
Right Line In
BIT
LABEL
4:0 LINVOL[0:4]
7
LINMUTE
8
LRINBOTH
4:0 RINVOL[0:4]
7
RINMUTE
8
RLINBOTH
DEFAULT
DESCRIPTION
10111
( 0dB )
1
0
10111
( 0dB )
1
0
Left Channel Line Input Volume Control
11111 = +12dB . . 1.5dB steps down to
00000 = -34.5dB
Left Channel Line Input Mute
1 = Enable Mute
0 = Disable Mute
Left to Right Channel Line Input Volume
and Mute Data Load Control
1 = Enable Simultaneous Load of
LINVOL[0:4] and LINMUTE to
RINVOL[0:4] and RINMUTE
0 = Disable Simultaneous Load
Right Channel Line Input Volume
Control
11111 = +12dB . .1.5dB steps down to
00000 = -34.5dB
Left Channel Line Input Mute
1 = Enable Mute
0 = Disable Mute
Right to Left Channel Line Input Volume
and Mute Data Load Control
1 = Enable Simultaneous Load of
RINVOL[0:4] and RINMUTE to
LINVOL[0:4] and LINMUTE
0 = Disable Simultaneous Load
w
PD, Rev 4.2, July 2008
29
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