ak4644 AKM Semiconductor, Inc., ak4644 Datasheet - Page 19

• Manufacturer Part Number: ak4644
• Description: Stereo Codec With Mic/hp/rcv-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0477-E-01
Figure 9. Clock Timing (PLL Slave mode; PLL Reference Clock = MCKI pin, Except DSP mode)
(BCKP = "0")
(BCKP = "1")
Figure 10. Audio Interface Timing (PLL Slave mode, DSP mode; MSBS = “0”)
MCKI
LRCK
BICK
MCKO
LRCK
BICK
BICK
SDTO
SDTI
tCLKH
tLRCKH
tBCKH
tLRB
tLRCKH
1/fCLK
1/fs
tBCK
fMCK
tBSD
tLRCKL
tMCKL
tCLKL
tBCKL
- 19 -
tSDS
dMCK = tMCKL x fMCK x 100
Duty = tLRCKH x fs x 100
MSB
MSB
tSDH
= tLRCKL x fs x 100
VIH
VIL
VIH
VIL
VIH
VIL
50%DVDD
50%DVDD
VIH
VIL
VIH
VIL
VIH
VIL
VIH
VIL
[AK4644]
2006/10