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WM9715L Datasheet(PDF) 63 Page - Wolfson Microelectronics plc

Part # WM9715L
Description  AC??7 Audio and Touchpanel CODEC
PDF  77 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM9715L Datasheet(HTML) 63 Page - Wolfson Microelectronics plc

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Production Data
WM9715L
w
PD Rev 4.0 December 2007
63
REGISTER BITS BY ADDRESS
Register 00h is a read-only register. Writing any value to this register resets all registers to their default, but does not
change the contents of reg. 00h. Reading the register reveals information about the codec to the driver, as required by the
AC’97 Specification, Revision 2.2
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
14:10
SE [4:0]
11000
Indicates a codec from Wolfson Microelectronics
9:6
ID9:6
0101
Indicates 18 bits resolution for ADCs and DACs
5
ID5
1
Indicates that the WM9715L supports bass boost
4
ID4
1
Indicates that the WM9715L has a headphone output
3
ID3
0
Indicates that the WM9715L does not support simulated stereo
2
ID2
1
Indicates that the WM9715L supports bass and treble control
1
ID1
0
Indicates that the WM9715L does not support modem functions
00h
0
ID0
0
Indicates that the WM9715L does not have a dedicated microphone
ADC
Intel’s AC’97
Component
Specification,
Revision 2.2,
page 50
Register 02h controls the output pins LOUT2 and ROUT2.
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
MU
1 (mute)
Mutes LOUT2 and ROUT2.
13:8
LOUT2 VOL
000000 (0dB)
LOUT2 volume
7
ZC
0 (OFF)
Enables zero-cross detector
6
INV
0 (not inverted)
Inverts LOUT2 (for BTL speaker operation)
02h
5:0
ROUT2 VOL
000000 (0dB)
ROUT2 volume
Analogue
Audio Outputs
Register 04h controls the headphone output pins, HPOUTL and HPOUTR.
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
MU
1 (mute)
Mutes HPOUTL and HPOUTR.
13:8
HPOUTL VOL
000000 (0dB)
HPOUTL volume
7
ZC
0 (OFF)
Enables zero-cross detector
04h
5:0
HPOUTR VOL
000000 (0dB)
HPOUTR volume
Analogue
Audio Outputs
Register 06h controls the analogue output pin MONOOUT.
REG
ADDR
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
15
MU
1 (mute)
Mutes MONOOUT.
7
ZC
0 (OFF)
Enables zero-cross detector
06h
5:0
MONOOUT
VOL
000000 (0dB)
MONOOUT volume
Analogue
Audio Outputs



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