System Architecture
The codec contains two input channels. One channel connects to a
3.5 mm stereo jack and two RCA jacks. The 3.5 mm stereo jack connects
to a microphone. The two RCA jacks can connect to a
audio device. You can supply an audio input to the codec microphone
input channel (
of
determine whether the
JP11
the
connector or by the
P6
SPI Audio Interface
The SPI port is connected to the AD1836 and AD1852. The SPI port is
used for writing and reading the control registers of the audio devices.
Breadboard Area
Use the breadboard area to add external circuitry to:
• All board voltages and grounds
• Package footprints:
1x SOIC16
1x SOIC20
4x SOT23-6
1x PSOP44
2x SOT23
27x 0805
Analog Devices does not support and is not responsible for the
effects of additional circuitry.
2-4
) or to the
MIC1
LINE_IN
LINE_IN
connector.
P7
ADSP-21161N EZ-KIT Lite Evaluation System Manual
LINE-OUT
input channel. The jumper settings
channel of the codec is driven by
from an
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