WM8711BL_11 Datasheet, PDF (18/44 Pages) Wolfson Microelectronics plc – Ultra-Small Audio DAC with Headphone Amplifier

WM8711BL
Production Data
The software control is given in Table 4.
REGISTER
ADDRESS
0000010
Left
Headphone
Out
BIT
6:0
LABEL
LHPVOL[6:0]
DEFAULT
1111001
( 0dB )
7
LZCEN
0
8
LRHPBOTH 0
0000011
6:0
Right
Headphone
Out
RHPVOL[7:0]
1111001
( 0dB )
7
RZCEN
0
8
RLHPBOTH 0
Table 4 Headphone Output Software Control
DESCRIPTION
Left Channel Headphone Output
Volume Control
1111111 = +6dB
. . 1dB steps down to
0110000 = -73dB
0000000 to 0101111 = MUTE
Left Channel Zero Cross detect
Enable
1 = Enable
0 = Disable
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
Right Channel Headphone Output
Volume Control
1111111 = +6dB
. . 1dB steps down to
0110000 = -73dB
0000000 to 0101111 = MUTE
Right Channel Zero Cross Detect
Enable
1 = Enable
0 = Disable
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
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PD, Rev 4.2, December 2011
1844