46.5 Maximum Clock Frequencies
| Symbol | Description | Conditions | Fmax | Units | |
|---|---|---|---|---|---|
| PL0 | PL2 | ||||
| Fgclkgen[0:2] | GCLK Generator output Frequency | - | 24 | 96 | MHz |
| Fgclkgen[3:8] | undivided | 24 | 96 | MHz | |
| Fgclkgen[3:8] | divided | 16 | 66 | MHz | |
Note:
- These values are based on simulation. They are not covered by production test limits or characterization.
| Symbol | Description | Conditions | Max. | Units | |
|---|---|---|---|---|---|
| PL0 | PL2 | ||||
| fCPU | CPU clock frequency | - | 12 | 48 | MHz |
| fAHB | AHB clock frequency | - | 12 | 48 | MHz |
| fAPBA | APBA clock frequency | Clock domain = BACKUP | 6 | 6 | MHz |
| fAPBA | APBA clock frequency | Clock domain = Low Power | 12 | 48 | MHz |
| fAPBB | APBB clock frequency | - | 12 | 48 | MHz |
| fAPBC | APBC clock frequency | - | |||
| fAPBD | APBD clock frequency | - | |||
| fAPBE | APBE clock frequency | - | |||
| fGCLK_DFLL48M_REF | DFLL48M Reference clock frequency | - | NA | 33 | kHz |
| fGCLK_DPLL | FDPLL96M Reference clock frequency | - | 2 | 2 | MHz |
| fGCLK_DPLL_32K | FDPLL96M 32k Reference clock frequency | - | 32 | 100 | kHz |
| fGCLK_EIC | EIC input clock frequency | - | 12 | 48 | MHz |
| fGCLK_USB | USB input clock frequency | - | NA | 60 | MHz |
| fGCLK_EVSYS_CHANNEL_0 | EVSYS channel 0 input clock frequency | - | 12 | 48 | MHz |
| fGCLK_EVSYS_CHANNEL_1 | EVSYS channel 1 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_2 | EVSYS channel 2 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_3 | EVSYS channel 3 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_4 | EVSYS channel 4 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_5 | EVSYS channel 5 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_6 | EVSYS channel 6 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_7 | EVSYS channel 7 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_8 | EVSYS channel 8 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_9 | EVSYS channel 9 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_10 | EVSYS channel 10 input clock frequency | - | |||
| fGCLK_EVSYS_CHANNEL_11 | EVSYS channel 11 input clock frequency | - | |||
| fGCLK_SERCOMx_SLOW | Common SERCOM slow input clock frequency | - | 1 | 5 | MHz |
| fGCLK_SERCOM0_CORE | SERCOM0 input clock frequency | - | 12 | 48 | MHz |
| fGCLK_SERCOM1_CORE | SERCOM1 input clock frequency | - | |||
| fGCLK_SERCOM2_CORE | SERCOM2 input clock frequency | - | |||
| fGCLK_SERCOM3_CORE | SERCOM3 input clock frequency | - | |||
| fGCLK_SERCOM4_CORE | SERCOM4 input clock frequency | - | |||
| fGCLK_SERCOM5_CORE | SERCOM5 input clock frequency | - | |||
| fGCLK_TCC0, GCLK_TCC1 | TCC0,TCC1 input clock frequency | - | 24 | 96 | MHz |
| fGCLK_TCC2, GCLK_TC0 | TCC2,TC0 input clock frequency | - | 12 | 48 | MHz |
| fGCLK_TC1, GCLK_TC2 | TC1,TC2 input clock frequency | - | |||
| fGCLK_TC3, GCLK_TC4 | TC3,TC4 input clock frequency | - | |||
| fGCLK_ADC | ADC input clock frequency | - | 12 | 48 | MHz |
| fGCLK_AC | AC digital input clock frequency | - | |||
| fGCLK_DAC | DAC input clock frequency | - | |||
| fGCLK_PTC | PTC input clock frequency | - | |||
| fGCLK_CCL | CCL input clock frequency | - | |||
Note:
- These values are based on simulation. They are not covered by production test limits or characterization.
