AK4649 Datasheet, PDF (18/96 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK-AMP

[AK4649]
LRCK
50%DVDD
BICK
tBLR
tDLR
tBCKL
tBSD
50%DVDD
SDTO
50%DVDD
tSDS
tSDH
SDTI
VIH
VIL
Figure 3. Audio Interface Timing (PLL/EXT Master mode)
1/fCLK
VIH
MCKI
VIL
tCLKH
tCLKL
LRCK
BICK
1/fs
tLRCKH
tLRCKL
tBCK
tBCKH
tBCKL
fMCK
VIH
VIL
Duty = tLRCKH x fs x 100
= tLRCKL x fs x 100
VIH
VIL
MCKO
50%DVDD
tMCKL
dMCK = tMCKL x fMCK x 100
Figure 4. Clock Timing (PLL Slave mode; PLL Reference Clock = MCKI pin)
MS1023-E-01
- 18 -
2010/08