48.13 Maximum Clock Frequencies

Table 48-16. Maximum Clock Frequencies AC Electrical Specifications
AC CHARACTERISTICS Standard Operating Conditions: VDDIO = AVDD 1.75V to 3.63V, VDDREG = 1.75V to 1.85V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMax.Units
FCLK_1FCYMCU clock frequency300MHz
FCLK_3fAHBAHB clock frequencyFCY/2MHz
FCLK_5fAPBnAPBA, APBB, APBC, APBD, APBE, APBF clock frequencyFCY/2MHz
FCLK_6fGCLKGEN[0]GCLK clock frequency outputFCYMHz
fGCLKGEN[1:16]FCYMHz
FCLK_7fGCLK_PLLxPLL0 and PLL1 reference clock frequency48MHz
FCLK_11fGCLK_DFLL48M_REFDFLL 48M reference clock frequency1MHz
FCLK_13fGCLK_EICEIC input clock frequency100MHz
FCLK_15fGCLK_FREQM_MSRFREQM Measure Clock FreqencyFCYMHz
FCLK_17fGCLK_FREQM_REFFREQM Reference Clock Frequency100MHz
FCLK_19fGCLK_EVSYS_CHANNELxEVSYS channel x input clock frequency100MHz
FCLK_21fGCLK_SERCOMx_SLOWCommon SERCOM slow input clock frequency32KHz
FCLK_23fGCLK_SERCOMx_CORESERCOMx input clock frequency160MHz
FCLK_25fGCLK_CANxCAN input clock frequency100MHz
FCLK_29fGCLK_I2SI2S input clock frequency100MHz
FCLK_31fGCLK_SDHCx_SLOWCommon SDHC slow input clock frequency32KHz
FCLK_33fGCLK_SDHCx_CORESDHCx input clock frequency104MHz
FCLK_35fGCLK_TCCxTCCx input clock frequencyFCYMHz
FCLK_45fGCLK_GCLKINxExternal GCLKx input clock frequency50MHz
FCLK_47fGCLK_CM7_TRACECM7 Trace input clock frequency50MHz
FCLK_49fGCLK_ACAnalog comparator peripheral module clock frequency100MHz
FCLK_51fGCLK_ADCxADCx input clock frequency150MHz
FCLK_55fGCLK_PTCPTC input clock frequency128MHz
FCLK_57fGCLK_EBIEBI input clock frequency150MHz
FCLK_61fGCLK_GMAC_TXEthernet input clock frequency125MHz
FCLK_62fGCLK_ETH_TSUEthernet TSU input clock frequency200MHz
FCLK_65fGCLK_MLBMedia Local Bus GCLK frequency150MHz
FCLK_73fGCLK_QSPIQSPI internal GCLK frequency160MHz