AK4645EN Datasheet, PDF (17/96 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

ASAHI KASEI
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MCKI
LRCK
MCKO
1/fCLK
VIH
VIL
tCLKH
tCLKL
1/fs
tLRCKH
tLRCKL
1/fMCK
50%TVDD
Duty = tLRCKH x fs x 100
tLRCKL x fs x 100
tMCKL
50%TVDD
dMCK = tMCKL x fMCK x 100
Figure 3. Clock Timing (PLL/EXT Master mode)
Note 37. MCKO is not available at EXT Master mode.
[AK4645]
LRCK
BICK
(BCKP = "0")
tLRCKH
tDBF
tBCK
dBCK
50%TVDD
50%TVDD
BICK
(BCKP = "1")
SDTO
SDTI
tBSD
tSDS
MSB
tSDH
50%TVDD
50%TVDD
VIH
VIL
Figure 4. Audio Interface Timing (PLL/EXT Master mode, DSP mode, MSBS = “0”)
MS0543-J-00
- 17 -
2006/09