[AK4679]
OPERATION OVERVIEW
The figure shown below is one the connection example with aAudio Processor, Base-band processor, BT module and
AK4679. Since the clock control block (CGU) provides DSP master clock, stable clock from Audio Processor or
Base-band must be supplied to the AK4679 during an operation.
AK4679
Audio Processor
Audio I/F I2S
BICK
LRCK
SDTI
SCLK
LRCK
SDO
SDI
SDTO
BCLK3
SYNC3
SDTI3
SDT03
Base Band
DSP
PCM I/F I2S
BCLK1
SYNC1
SDTI1
BICK
SYNC
SDOUT
SDIN
SDTO1
BICKA
SYNCA
SDTIA
SDTOA
SDTI4
Bluetooth
SDTO4
SDOUT
BICK
BCLK2
SYNC2
SDTO2
SDTI2
PCM I/F I2S
SYNC
SDIN
BICKB
SYNCB
SDTIB
SDTOB
Figure 38. Connection Diagram Example
MS1402-E-06
2013/02
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