Pre-Production
WM8985
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
5
DACR2LMIX
0
Right DAC output to left output mixer
0 = not selected
Analogue
Outputs
1 = selected
4:3
2
00
0
Reserved. Initialise to 0
Thermal Shutdown Output enable
0 = Disabled
TSOPCTRL
Analogue
Outputs
1 = Enabled, i.e. all outputs will be disabled if TI
set and the device junction temperature is more
than 125ºC.
1
0
TSDEN
VROI
1
0
Thermal Shutdown Enable
0 : thermal shutdown disabled
1 : thermal shutdown enabled
Analogue
Outputs
VREF (AVDD/2 or 1.5xAVDD/2) to analogue
output resistance
Analogue
Outputs
0: approx 1kΩ
1: approx 30 kΩ
50 (32h)
8:6
AUXLMIXVOL
000
Aux left channel input to left mixer volume
control:
Analogue
Outputs
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
5
AUXL2LMIX
0
Left Auxilliary input to left channel output mixer:
0 = not selected
Analogue
Outputs
1 = selected
4:2
BYPLMIXVOL
000
Left bypass volume control to output channel
mixer:
Analogue
Outputs
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
1
BYPL2L
MIX
0
Left bypass path (from the left channel input
boost output) to left output mixer
Analogue
Outputs
0 = not selected
1 = selected
0
DACL2L
MIX
1
Left DAC output to left output mixer
0 = not selected
Analogue
Outputs
1 = selected
51 (33h)
8:6
AUXRMIXVOL
000
Aux right channel input to right mixer volume
control:
Analogue
Outputs
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
5
AUXR2RMIX
0
Right Auxilliary input to right channel output
mixer:
Analogue
Outputs
0 = not selected
1 = selected
PP, Rev 3.4, October 2006
105
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
