adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 56
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adau1373
Manufacturer Part Number
adau1373
Description
Low Power Codec With Speaker And Headphone Amplifier Adau1373
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADAU1373.pdf
(296 pages)
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ADAU1373
MIX/MUX
The ADAU1373 provides very flexible mixing and multiplexing
of the digital signals to and from the DSP and to and from the
codec/Digital Audio Interface A/Digital Audio Interface B/
Digital Audio Interface C.
The input mixing and routing matrix allows the digital data from
Digital Audio Interface A, Digital Audio Interface B, and Digital
Audio Interface C, as well as the ADC and digital microphone,
to be selected or mixed to any of the DSP input channels (that is,
DSP Channel 0 to DSP Channel 4). Similarly, the output mixing
and routing matrix allows the data from DSP Channel 0 to DSP
Channel 4 to be mixed and routed to Digital Audio Interface A,
Digital Audio Interface B, and Digital Audio Interface C, as well
INTERFACE_A
INTERFACE_B
INTERFACE_C
ADC_LRSWAP
INTERFACE_A
INTERFACE_B
INTERFACE_C
ADC_LRSWAP
INTERFACE_A
INTERFACE_B
INTERFACE_C
ADC_LRSWAP
INTERFACE_A
INTERFACE_B
INTERFACE_C
ADC_LRSWAP
INTERFACE_A
INTERFACE_B
INTERFACE_C
ADC_LRSWAP
DMICLRSWAP
DMICLRSWAP
DMICLRSWAP
DMICLRSWAP
DMICLRSWAP
DMIC
DMIC
DMIC
DMIC
DMIC
ADC
ADC
ADC
ADC
ADC
DSPIN_CH0
DSPIN_CH1
DSPIN_CH2
DSPIN_CH3
DSPIN_CH4
Figure 103. Digital Mix/Mux Block
Rev. 0 | Page 56 of 296
DSP
DSPOUT_CH0
DSPOUT_CH1
DSPOUT_CH2
DSPOUT_CH3
DSPOUT_CH4
DSPOUT_CH0
DSPOUT_CH1
DSPOUT_CH2
DSPOUT_CH3
DSPOUT_CH4
DSPOUT_CH0
DSPOUT_CH1
DSPOUT_CH2
DSPOUT_CH3
DSPOUT_CH4
DSPOUT_CH0
DSPOUT_CH1
DSPOUT_CH2
DSPOUT_CH3
DSPOUT_CH4
DSPOUT_CH0
DSPOUT_CH1
DSPOUT_CH2
DSPOUT_CH3
DSPOUT_CH4
as DAC1 and DAC2. The digital volume controls on each of the
inputs, as well as the outputs, can be used to adjust the levels. The
soft mode allows the volume to be updated for clickless operation.
The routing matrix also allows the data to be looped back from
the internal ADC to the DACs or from Digital Audio Interface A
to Digital Audio Interface B or Digital Audio Interface C.
For recording purposes, the data from the ADC or the digital
microphone can be sent to Digital Audio Interface A, Digital
Audio Interface B, and Digital Audio Interface C. Similarly, for
playback, the data from the ports can be sent to the DACs and
then to the analog outputs. The mixing block allows complete
record and playback datapaths.
INTERFACE_A
INTERFACE_B
INTERFACE_C
DAC1
DAC2
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