Production Data
WM8776
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R6 (06h)
0000110
1:0
PHASE
00
Controls phase of DAC outputs (LEFT, RIGHT channel)
0: Sets non inverted output phase
Phase Swaps
1: inverts phase of DAC output
R7 (07h)
0000111
0
DZCEN
0
DAC Digital Volume Zero Cross Enable:
0: Zero Cross detect disabled
DAC Control
1: Zero Cross detect enabled
ATC
IZD
0
0
Attenuator Control
1
2
0: All DACs use attenuations as programmed.
1: Right DAC uses left DAC attenuations
Infinite zero detection circuit control and automute control
0: Infinite zero detect automute disabled
1: Infinite zero detect automute enabled
DAC and ADC Analogue Zero cross detect timeout disable
0 : Timeout enabled
3
TOD
0
1: Timeout disabled
7:4
PL[3:0]
1001
DAC Output Control
PL[3:0]
Left
Right
PL[3:0]
Left
Right
Output
Output
Output
Output
0000
0001
0010
0011
0100
0101
0110
0111
Mute
Left
Mute
Mute
Mute
Mute
Left
1000
1001
1010
1011
1100
1101
1110
1111
Mute
Left
Right
Right
Right
(L+R)/2
Mute
Left
Right
(L+R)/2
Mute
Left
Right
Right
(L+R)/2
(L+R)/2
(L+R)/2
(L+R)/2
Left
Right
(L+R)/2
Left
Right
(L+R)/2
Left
R8 (08h)
0001000
DAC Mute
0
DMUTE
0
DAC channel soft mute enables:
0: mute disabled
1: mute enabled
R9 (09h)
0001001
0
DEEMPH
DZFM
0
De-emphasis mode select:
0 : Normal Mode
DAC Control
1: De-emphasis Mode
2:1
00
DZFM
00
ZFLAG1
disabled
ZFLAG2
disabled
01
left channels zero
both channels zero
either channel zero
right channels zero
both channels zero
either channel zero
10
11
PD Rev 4.0 April 2005
43
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
