WM8753L
Advanced Information
REGISTER
ADDRESS
BIT
LABEL
MODE3D
DEFAULT
DESCRIPTION
R19 (13h)
3D enhance
7
6
5
0
Playback/Record 3D select
0 = 3D selected for Record
1 = 3D selected for Playback
3DUC
0
0
Upper Cut-off frequency
0 = High (2.2kHz at 48kHz sampling)
1 = Low (1.5kHz at 48kHz sampling)
3DLC
Lower Cut-off frequency
0 = Low (200Hz at 48kHz sampling)
1 = High (500Hz at 48kHz sampling)
4:1
DEPTH3D[3:0]
0000
Stereo depth
0000: 0% (minimum 3D effect)
0001: 6.67%
....
1110: 93.3%
1111: 100% (maximum 3D effect)
0
3DEN
0
3D function enable
1: enabled
0: disabled
Table 23 3D Stereo Enhancement Function
When 3D enhancement is enabled (and/or the tone control for playback) it may be necessary to
attenuate the signal by 6dB to avoid limiting. This is a user selectable function, enabled by setting
ADCDIV2 for the record path and DACDIV2 for the playback path.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R18 (012h)
ADC and DAC
control
2
1
ADCDIV2
0
ADC 6dB attenuate enable
0 = disabled (0dB)
1 = -6dB enabled
DACDIV2
0
DAC 6dB attenuate enable
0 = disabled (0dB)
1 = -6dB enabled
Table 24 ADC and DAC 6dB Attenuation Select
AI Rev 3.1 June 2004
w
35
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
