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WM8946ECS/R Datasheet(PDF) 76 Page - Wolfson Microelectronics plc

Part # WM8946ECS/R
Description  Stereo Low-Power CODEC with Video Buffer
PDF  175 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8946ECS/R Datasheet(HTML) 76 Page - Wolfson Microelectronics plc

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WM8946
Production Data
w
PD, July 2012, Rev 4.3
76
LOOPBACK
A loopback function is provided for test and evaluation purposes. When the LOOPBACK register bit is
set, the DAC input data is fed through the DSP Core to the ADC output, as illustrated in Figure 31.
Figure 31 Audio Interface Loopback
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R5 (05h)
Companding
control
5
LOOPBACK
0
Digital Loopback Function
0 = No loopback
1 = Loopback enabled (DACDAT
input is fed through the DSP Core to
the ADCDAT output).
Table 49 Loopback Control



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