WM8753 Wolfson Microelectronics plc, WM8753 Datasheet - Page 35

• Manufacturer Part Number: WM8753
• Description: HI FI AND TELEPHONY DUAL CODEC
• Manufacturer: Wolfson Microelectronics plc

WM8753L
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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.
Table 24 ADC and DAC 6dB Attenuation Select
R19 (13h)
3D enhance
R18 (012h)
ADC and DAC
control
REGISTER
ADDRESS
REGISTER
ADDRESS
7
6
5
4:1
0
BIT
2
1
BIT
MODE3D
3DUC
3DLC
DEPTH3D[3:0]
3DEN
ADCDIV2
DACDIV2
LABEL
LABEL
DEFAULT
0
0
DEFAULT
0000
0
0
0
0
ADC 6dB attenuate enable
0 = disabled (0dB)
1 = -6dB enabled
DAC 6dB attenuate enable
0 = disabled (0dB)
1 = -6dB enabled
Playback/Record 3D select
0 = 3D selected for Record
1 = 3D selected for Playback
Upper Cut-off frequency
0 = High (2.2kHz at 48kHz sampling)
1 = Low (1.5kHz at 48kHz sampling)
Lower Cut-off frequency
0 = Low (200Hz at 48kHz sampling)
1 = High (500Hz at 48kHz sampling)
Stereo depth
0000: 0% (minimum 3D effect)
0001: 6.67%
....
1110: 93.3%
1111: 100% (maximum 3D effect)
1: enabled
0: disabled
3D function enable
DESCRIPTION
DESCRIPTION
AI Rev 3.1 June 2004
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