WM8777
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BASS MANAGEMENT BYPASS
Signal paths are provided for the surround and auxiliary channels which allow the user to bypass the
high pass filtering operation and apply the unfiltered signals directly to the analogue volume controls.
REGISTER ADDRESS
BIT
LABEL
DEFAULT DESCRIPTION
(27h)
0
AUXLBYP
0
Bypass select for AUX left output
Bass Management
Bypass
0 = Bass managed
1 = Bypass
1
2
3
AUXRBYP
SURLBYP
SURRBYP
0
Bypass select for AUX right
output
0 = Bass managed
1 = Bypass
0
0
Bypass select for surround left
output
0 = Bass managed
1 = Bypass
Bypass select for surround right
output
0 = Bass managed
1 = Bypass
Table 7 Bass Management Bypass Register
HEADPHONE OUTPUT
A stereo headphone output is provided which may be used to buffer out either the front L/R channels,
or the AUX L/R channels as required. Control is via the HPSEL bit. An independent volume control is
provided for this output.
REGISTER ADDRESS BIT
LABEL
DEFAULT DESCRIPTION
Controls headphone output MUX:-
(25h)
6
HPSEL
0
0 = FRONT L/R output on
headphone channels
Centre Mixer Control 1
1 = AUX L/R output on headphone
channels
Table 8 Headphone Source Select
PP Rev 1.94 November 2004
20
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
