39.11 Maximum Clock Frequencies

Table 39-13. Maximum Clock Frequencies Electrical Specifications
AC CHARACTERISTICS Standard Operating Conditions: VDD and VDDIO 2.7V to 5.5V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMaxUnits
FCLK_1fCPUCPU clock frequency48MHz
FCLK_3fAHBAHB clock frequency48MHz
FCLK_5fAPBnAPBA, APBB, APBC, APBD clock frequency48MHz
FCLK_6afGCLKGEN[0:2]GCLK clock frequency output96MHz
FCLK_6bfGCLKGEN[3:8]GCLK clock frequency output66MHz
FCLK_7fGCLK_DPLLxFDPLL96M reference clock frequency2MHz
FCLK_9fGCLK_DPLLx_32KFDPLL96M 32k reference clock frequency33KHz
FCLK_13fGCLK_EICEIC input clock frequency48MHz
FCLK_15fGCLK_FREQM_MSRFREQM Measure Clock Frequency96MHz
FCLK_17fGCLK_FREQM_REFFREQM Reference Clock Frequency48MHz
FCLK_19fGCLK_EVSYS_CHANNELxEVSYS channel x input clock frequency48MHz
FCLK_21fGCLK_SERCOMx_SLOWCommon SERCOM slow input clock frequency5MHz
FCLK_23fGCLK_SERCOMx_CORESERCOMx input clock frequency48MHz
FCLK_35fGCLK_TCC0/1TCC0/1 input clock frequency92MHz
FCLK_36fGCLK_TCC2TCC2 input clock frequency48MHz
FCLK_37fGCLK_TCxTCx input clock frequency48MHz
FCLK_43fGCLK_CCLCCL input clock frequency48MHz
FCLK_45fGCLK_GCLKINxExternal GCLKx input clock frequency48MHz
FCLK_49fGCLK_ACAnalog comparator peripheral module clock frequency48MHz
FCLK_51fGCLK_ADCxADCx input clock frequency48MHz
FCLK_55fGCLK_PTCPTC input clock frequency48MHz