ak4644 AKM Semiconductor, Inc., ak4644 Datasheet - Page 16

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

ASAHI KASEI
MS0477-E-01
Timing Diagram
(BCKP = "0")
(BCKP = "1")
Figure 4. Audio Interface Timing (PLL/EXT Master mode, DSP mode, MSBS = “0”)
MCKI
LRCK
MCKO
LRCK
BICK
BICK
SDTO
SDTI
Note 35. MCKO is not available at EXT Master mode.
Figure 3. Clock Timing (PLL/EXT Master mode)
tCLKH
tLRCKH
tDBF
tLRCKH
tBSD
1/fCLK
1/fMCK
1/fs
tCLKL
tMCKL
tLRCKL
- 16 -
tSDS
tBCK
dMCK = tMCKL x fMCK x 100
Duty = tLRCKH x fs x 100
MSB
dBCK
tSDH
tLRCKL x fs x 100
VIH
VIL
50%DVDD
50%DVDD
50%DVDD
50%DVDD
50%DVDD
50%DVDD
VIH
VIL
[AK4644]
2006/10