AK4589_1 Datasheet, PDF (44/76 Pages) Asahi Kasei Microsystems – 2/8-Channel Audio CODEC with DIR

ASAHI KASEI
Clock Source
The following circuits are available to feed the clock to XTI pin of AK4589.
1) X’tal
XTI
C
25kΩ(typ)
C
XTO
AK4589
Figure 17. X’tal mode
Note: External capacitance depends on the crystal oscillator (Typ. 10-40pF)
[AK4589]
2) External clock
- Note: Input clock must not exceed DVDD.
External
Clock
XTI
25kΩ(typ)
XTO
AK4589
Figure 18 Direct Input
(Input :CMOS Level)
3) Fixed to the Clock Operation Mode 0
XTI
C _XTI
External
Clock
25kΩ(typ)
XTO
AK4589
Figure 19 AC Coupling Input
(Input : ≥40%DVDD, C=0.1µF)
XTO
25kΩ(typ)
AK4589
Figure 20. OFF mode
MS0339-E-00
- 44 -
2004/09