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WM8993 Fiches technique(PDF) 120 Page - Wolfson Microelectronics plc

No de pièce WM8993
Description  Audio Hub CODEC for Multimedia Phones
PDF  229 Pages
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Fabricant  WOLFSON [Wolfson Microelectronics plc]
Site Internet  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8993 Fiches technique(HTML) 120 Page - Wolfson Microelectronics plc

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WM8993
Production Data
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PD, November 2010, Rev 4.0
120
u-law Companding
0
20
40
60
80
100
120
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Normalised Input
0
0.1
0.2
0.3
0.4
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0.8
0.9
1
Figure 57 μ-Law Companding
A-law Companding
0
20
40
60
80
100
120
0
0.2
0.4
0.6
0.8
1
Normalised Input
0
0.1
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1
Figure 58 A-Law Companding
LOOPBACK
Setting the LOOPBACK register bit enables digital loopback. When this bit is set, the ADC digital
data output is routed to the DAC digital data input path. The digital audio interface input (DACDAT) is
not used when LOOPBACK is enabled.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R5 (05h)
Audio
Interface (2)
0
LOOPBACK
0
Digital Loopback Function
0 = No loopback
1 = Loopback enabled (ADC data output
is directly input to DAC data input).
Table 78 Loopback Control



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