AK4637 Datasheet, PDF (23/96 Pages) Asahi Kasei Microsystems – 24bit Mono CODEC with MIC - SPK-AMP

MCKI
FCK
BICK
1/fCLK
VIH
VIL
tCLKH
tCLKL
1/fs
tFCKH
tFCKL
1/fBCK
VIH
VIL
Duty = tFCKH x fs x 100
tFCKL x fs x 100
VIH
VIL
tBCKH
tBCKL
Figure 10. Clock Timing (EXT Slave mode)
[AK4637]
tFCKH
VIH
FCK
VIL
tFCKB
VIH
BICK
(BCKP = "0")
VIL
VIH
BICK
(BCKP = "1")
VIL
tBSD
SDTO
MSB
50%TVDD
tSDS
tSDH
SDTI
VIH
MSB
VIL
Figure 11. Audio Interface Timing (PLL/EXT Slave mode, DSP mode; MSBS bit= “0”)
015010680-E-00
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2015/09