ak4648 AKM Semiconductor, Inc., ak4648 Datasheet - Page 25

• Manufacturer Part Number: ak4648
• Description: Stereo Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

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MS0625-E-01
Timing Diagram
Note 53. MCKO is not available at EXT Master mode.
Figure 5. Audio Interface Timing (PLL/EXT Master mode, DSP mode, MSBS bit = “0”)
(BCKP = "0")
(BCKP = "1")
MCKI
LRCK
BICK
MCKO
LRCK
BICK
BICK
SDTO
SDTI
Figure 4. Clock Timing (PLL/EXT Master mode)
tCLKH
tLRCKH
tBCKH
tDBF
tLRCKH
tBSD
1/fCLK
1/fMCK
1/fs
tBCK
tCLKL
tMCKL
tBCKL
tLRCKL
- 25 -
tSDS
dMCK = tMCKL x fMCK x 100
Duty = tLRCKH x fs x 100
dBCK = tBCKH / tBCK x 100
MSB
tSDH
tLRCKL x fs x 100
tBCKL / tBCK x 100
VIH
VIL
50%TVDD
50%TVDD
50%TVDD
50%TVDD
50%TVDD
50%TVDD
50%TVDD
VIH
VIL
[AK4648]
2007/06