AK4642VN Datasheet, PDF (19/82 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
MCKI
LRCK
BICK
1/fCLK
tCLKH
tCLKL
1/fs
tLRCKH
tLRCKL
tBCK
tBCKH
tBCKL
fMCK
VIH
VIL
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 5. Clock Timing (PLL Slave mode; PLL Reference Clock = MCKI pin)
MCKI
LRCK
BICK
1/fCLK
VIH
VIL
tCLKH
tCLKL
1/fs
tLRCKH
tLRCKL
tBCK
VIH
VIL
Duty = tLRCKH x fs x 100
tLRCKL x fs x 100
VIH
VIL
tBCKH
tBCKL
Figure 6. Clock Timing (EXT Slave mode)
[AK4642]
MS0358-J-02
- 19 -
2005/04