AK4650 Datasheet, PDF (21/86 Pages) Asahi Kasei Microsystems – 16Bit ΔΣ CODEC with MIC/HP/SPK-AMP & TSC

(2) External Clock Direct Input
(2-1) PLL1 pin = “L”
MCKI
External
Clock
XTO
MCKPD = "0"
PR5 = "0"
25kΩ (typ)
PLL1 = "L"
PLL1 = "L"
AK4650
Figure 13. External Clock mode (PLL1 pin = “L”, Input : CMOS Level)
Note 35. This clock level must not exceed DVDD level.
(2-2) PLL1 pin = “H”
MCKI
External
Clock
PLL0
MCKPD = "0"
PR5 = "0"
25kΩ (typ)
PLL1 = "H"
PLL1 = "H"
AK4650
Figure 14. External Clock mode (PLL1 pin = “H”, Input : CMOS Level)
Note 36. This clock level must not exceed DVDD level.
(3) AC Coupling Input (PLL1 pin = “L”)
C _MCKI
External
Clock
XTO
MCKPD = "0"
PR5 = "0"
25kΩ (typ)
PLL1 = "L"
PLL1 = "L"
AK4650
Figure 15. External Clock mode (Input : ≥ 50%DVDD)
Note 37. This clock level must not exceed DVDD level.
MS0502-E-01
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[AK4650]
2007/04