AK4753 Datasheet, PDF (14/85 Pages) Asahi Kasei Microsystems – 2-in, 4-out CODEC with DSP Functions

CONFIDENTIAL
[AK4753]
■ Timing Diagram
1/fCLK
MCKI Input
1000pF
Measurement
Point
100kΩ
VSS2
VSS2
tACW tACW
VAC
Figure 3. MCKI AC Coupling Timing
1/fCLK
VIH
MCKI
VIL
tCLKH
tCLKL
1/fs
LRCK
tLRCKH
tLRCKL
tBCK
50%DVDD
Duty = tLRCKH x fs x 100
tLRCKL x fs x 100
BICK
50%DVDD
tBCKH
tBCKL
dBCK = tBCKH / tBCK x 100
tBCKL / tBCK x 100
Figure 4. Clock Timing (PLL/EXT Master mode)
tLRCKH
LRCK
tDBF
50%DVDD
BICK
(BCKP = "0")
50%DVDD
BICK
(BCKP = "1")
tSDS
tSDH
50%DVDD
VIH
SDTI
VIL
Figure 5. Audio Interface Timing (PLL/EXT Master mode, DSP mode, MSBS = “0”)
MS1311-E-00
- 14 -
2011/07