ak4673 AKM Semiconductor, Inc., ak4673 Datasheet - Page 20

• Manufacturer Part Number: ak4673
• Description: Stereo Codec With Mic/hp-amp And Touch Screen Controller
• Manufacturer: AKM Semiconductor, Inc.

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MS0670-E-01
Timing Diagram
Figure 4. Audio Interface Timing (PLL/EXT Master mode, DSP mode, MSBS = “0”)
(BCKP = "0")
(BCKP = "1")
MCKI
LRCK
BICK
MCKO
LRCK
BICK
BICK
SDTO
SDTI
Note 37. MCKO is not available at EXT Master mode.
Figure 3. Clock Timing (PLL/EXT Master mode)
tCLKH
tLRCKH
tBCKH
tDBF
tLRCKH
tBSD
1/fCLK
1/fMCK
1/fs
tBCK
tCLKL
tMCKL
tLRCKL
tBCKL
- 20 -
tSDS
dMCK = tMCKL x fMCK x 100
MSB
Duty = tLRCKH x fs x 100
dBCK = tBCKH / tBCK x 100
tSDH
tLRCKL x fs x 100
tBCKL / tBCK x 100
VIH2
VIL2
50%TVDD2
50%TVDD2
50%TVDD2
50%TVDD2
50%TVDD2
50%TVDD2
50%TVDD2
VIH2
VIL2
[AK4673]
2007/10