38.5.1.3 XOSCHF

Table 38-12. High Frequency Crystal Oscillator (XOSCHF) Specifications
SymbolDescriptionMin.Typ. ✝Max.UnitConditions
fXOSCHF *Frequency424MHz
CXTAL1/XTAL2 *Parastatic pin capacitance5pF
CL *Crystal load capacitance12pF
ESR *Equivalent Series Resistance200Ω

XTALHF = 4 MHz,
XOSCHFCTRLA.FRQRANGE = 0x0

60Ω

XTALHF = 16 MHz,
XOSCHFCTRLA.FRQRANGE = 0x1

40Ω

XTALHF = 24 MHz,
XOSCHFCTRLA.FRQRANGE = 0x2

tXOSC32_HF *XOSCHF start-up time700ns4 MHz crystal

Data found in the “Typ.” column is at TA = 25°C and VDD = 3.0V unless otherwise specified. These parameters are not tested and are for design guidance only.

* These parameters are characterized but not tested in production.