49.9 Maximum Clock Frequencies
| AC CHARACTERISTICS | Standard
Operating Conditions: VDDREG=VDDIO=AVDD 1.71V to 3.63V (unless otherwise
stated) Operating temperature: -40°C ≤ TA ≤ +125°C for Extended Temperature | |||
|---|---|---|---|---|
| Param. No. | Symbol | Characteristics | Max | Units |
| FCLK_1 | FCY | MCU clock freq | 48 | MHz |
| FCLK_3 | fAHB | AHB clock freq | 48 | MHz |
| FCLK_5 | fAPB0:1] | APB clock freq | 48 | MHz |
| FCLK_5 | fAPB2 | 48 | MHz | |
| FCLK_6 | fGCLKGEN[0] | GCLK clock freq output | 160 | MHz |
| fGCLKGEN[1:7] | 160 | MHz | ||
| fGCLKGEN[8:11] | 80 | MHz | ||
| FCLK_13 | fGCLK_EIC | EIC input clock freq | 80 | MHz |
| FCLK_15 | fGCLK_FREQM_MSR | FREQM Measure Clock Frequency | 160 | MHz |
| FCLK_17 | fGCLK_FREQM_REF | FREQM Reference Clock Frequency | 80 | MHz |
| FCLK_19 | fGCLK_EVSYS_CHANNELx | EVSYS channel x input clock freq | 80 | MHz |
| FCLK_23 | fGCLK_SERCOM_CORE | SERCOM input clock freq | 100 | MHz |
| FCLK_25 | fGCLK_CANx | CAN input clock freq | 80 | MHz |
| FCLK_35 | fGCLK_TCCx | TCCx input clock freq | 160 | MHz |
| FCLK_49 | fGCLK_AC | Analog comparator peripheral module clock freq | 80 | MHz |
| FCLK_75 | fGCLK_PUF | PUF input clock freq | 80 | MHz |
| FCLK_77 | fGCLK_AT | Anti-Tamper input clock freq | 80 | MHz |