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WM8993 Datasheet(PDF) 196 Page - Wolfson Microelectronics plc

Part # WM8993
Description  Audio Hub CODEC for Multimedia Phones
PDF  229 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8993 Datasheet(HTML) 196 Page - Wolfson Microelectronics plc

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WM8993
Production Data
w
PD, November 2010, Rev 4.0
196
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
1 = Un-mute
1
DACL_TO_SP
KMIXL
0
Left DAC to SPKMIXL Mute
0 = Mute
1 = Un-mute
0
DACR_TO_SP
KMIXR
0
Right DAC to SPKMIXR Mute
0 = Mute
1 = Un-mute
Register 36h Speaker Mixer
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R55 (37h)
Additional
Control
7
LINEOUT1_FB
0
Enable ground loop noise feedback on LINEOUT1
0 = Disabled
1 = Enabled
6
LINEOUT2_FB
0
Enable ground loop noise feedback on LINEOUT2
0 = Disabled
1 = Enabled
0
VROI
0
Buffered VMID to Analogue Line Output Resistance
(Disabled Outputs)
0 = 20kohm from buffered VMID to output
1 = 1000ohm from buffered VMID to output
Register 37h Additional Control
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R56 (38h)
AntiPOP1
7
LINEOUT_VMI
D_BUF_ENA
0
Enables VMID reference for line outputs in single-
ended mode
0 = Disabled
1 = Enabled
6
HPOUT2_IN_E
NA
0
HPOUT2MIX Mixer and Input Stage Enable
0 = Disabled
1 = Enabled
5
LINEOUT1_DI
SCH
0
Discharges LINEOUT1P and LINEOUT1N outputs via
approx 4k resistor
0 = Not active
1 = Actively discharging LINEOUT1P and LINEOUT1N
4
LINEOUT2_DI
SCH
0
Discharges LINEOUT2P and LINEOUT2N outputs via
approx 4k resistor
0 = Not active
1 = Actively discharging LINEOUT2P and LINEOUT2N
Register 38h AntiPOP1



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