AIC23 chip on the procedure has been tested, using reference

sd_audio_aic23\aic23_lib.c
..............\basic_io.h
..............\fast_dma.c
..............\fast_dma.h
..............\i2c.c
..............\i2c_master.h
..............\menu.c
..............\readme.txt
..............\sd_audio_aic23.c
..............\SD_Card.h
..............\tlv320aic23.h
..............\Debug
sd_audio_aic23

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