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Quick Start Guide: LPC435x-Xplorer++
The IP address of the LPC435x-Xplorer++ board is configured as 192.168.1.123. Type the same IP
address in the browser. Clicking the ON button will TURN-ON LED4 and clicking OFF button will
TURN-OFF LED4.
3.3.8 Audio Interface
Test setup and verification:
For the audio interface the LPC435x-Xplorer++ incorporates external audio codec from NXP. The
codec is interfaced to the MCU over I2S0 for data and over I2C0 for command interface. The test
firmware verifies both the audio-in and audio-out path. To verify the audio interface the user needs to
feed some audio data through the audio-in (LINE-IN) interface and then connect a headphone at the
audio-out jack. If one is able to hear the same audio data that is being fed over audio-in interface, we
have verified.
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Fig.29
Fig.30
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