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WM8731SEDS/V Datasheet(PDF) 31 Page - Wolfson Microelectronics plc

Part # WM8731SEDS/V
Description  Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates
PDF  65 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8731SEDS/V Datasheet(HTML) 31 Page - Wolfson Microelectronics plc

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WM8731 / WM8731L
Production Data
w
PD, Rev 4.9, October 2012
31
The software control is given in Table 9.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0000010
Left
Headphone
Out
6:0
LHPVOL[6:0]
1111001
( 0dB )
Left Channel Headphone Output
Volume Control
1111111 = +6dB
. . 1dB steps down to
0110000 = -73dB
0000000 to 0101111 = MUTE
7
LZCEN
0
Left Channel Zero Cross detect
Enable
1 = Enable
0 = Disable
8
LRHPBOTH
0
Left to Right Channel Headphone
Volume, Mute and Zero Cross Data
Load Control
1 = Enable Simultaneous Load of
LHPVOL[6:0] and LZCEN to
RHPVOL[6:0] and RZCEN
0 = Disable Simultaneous Load
0000011
Right
Headphone
Out
6:0
RHPVOL[6:0]
1111001
( 0dB )
Right Channel Headphone Output
Volume Control
1111111 = +6dB
. . 1dB steps down to
0110000 = -73dB
0000000 to 0101111 = MUTE
7
RZCEN
0
Right Channel Zero Cross Detect
Enable
1 = Enable
0 = Disable
8
RLHPBOTH
0
Right to Left Channel Headphone
Volume, Mute and Zero Cross Data
Load Control
1 = Enable Simultaneous Load of
RHPVOL[6:0] and RZCEN to
LHPVOL[6:0] and LZCEN
0 = Disable Simultaneous Load
Table 9 Headphone Output Software Control



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