46.6 Maximum Clock Frequencies
Symbol | Description | Conditions | Fmax | Units | |
---|---|---|---|---|---|
PL0 | PL2 | ||||
Fgclkgen[0:2] | GCLK Generator output Frequency | - | 24 | 96 | MHz |
Fgclkgen[3:4] | - | 12 | 48 | MHz |
Note:
- These values are based on simulation. They are not covered by production test limits or characterization.
Symbol | Description | Conditions | Fmax. | Units | |
---|---|---|---|---|---|
PL0 | PL2 | ||||
fCPU | CPU clock frequency | - | 8 | 32 | MHz |
fAHB | AHB clock frequency | - | 8 | 32 | MHz |
fAPBA | APBA clock frequency | - | 8 | 32 | MHz |
fAPBB | APBB clock frequency | - | |||
fAPBC | APBC clock frequency | - | |||
fGCLK_DFLLULP | DFLLULP Reference clock frequency | - | 33 | 33 | kHz |
fGCLK_DPLL | FDPLL96M Reference clock frequency | - | 2 | 2 | MHz |
fGCLK_DPLL_32K | FDPLL96M 32K clock frequency | - | 32.768 | 32.768 | kHz |
fGCLK_EIC | EIC input clock frequency | - | 12 | 48 | 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_SERCOM0_SLOW | Common SERCOM0 slow input clock frequency | - | 1 | 5 | MHz |
fGCLK_SERCOM1_SLOW | Common SERCOM1 slow input clock frequency | - | |||
fGCLK_SERCOM2_SLOW | Common SERCOM2 slow input clock frequency | - | |||
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_TC0 | TC0 input clock frequency | - | 12 | 48 | MHz |
fGCLK_TC1 | TC1 input clock frequency | - | |||
f GCLK_TC2 | TC2 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_FREQM_MSR | FREQM measured clock frequency | - | |||
fGCLK_FREQM_REF | FREQM reference clock frequency | - | |||
fGCLK_PTC | PTC input clock frequency | - | |||
fGCLK_CCL | CCL input clock frequency | - | |||
fGCLKin | External GCLK input clock frequency | - |
Note:
- These values are based on simulation. They are not covered by production test limits or characterization.