34.14.2 SERCOM in SPI Mode Timing
Symbol | Parameter | Conditions | Min. | Typ. | Max. | Units | |
---|---|---|---|---|---|---|---|
tSCK | SCK period | Host | 84 | ns | |||
tSCKW | SCK high/low width | Host | - | 0.5*tSCK | - | ||
tSCKR | SCK rise time(2) | Host | - | - | - | ||
tSCKF | SCK fall time(2) | Host | - | - | - | ||
tMIS | MISO setup to SCK | Host | - | 29 | - | ||
tMIH | MISO hold after SCK | Host | - | 8 | - | ||
tMOS | MOSI setup SCK | Host | - | tSCK/2 - 16 | - | ||
tMOH | MOSI hold after SCK | Host | - | 16 | - | ||
tSSCK | Client SCK Period | Client | 1*tCLK_APB | - | - | ||
tSSCKW | SCK high/low width | Client | 0.5*tSSCK | - | - | ||
tSSCKR | SCK rise time(2) | Client | - | - | - | ||
tSSCKF | SCK fall time(2) | Client | - | - | - | ||
tSIS | MOSI setup to SCK | Client | tSSCK/2 - 19 | - | - | ||
tSIH | MOSI hold after SCK | Client | tSSCK/2 - 5 | - | - | ||
tSSS | SS setup to SCK | Client | PRELOADEN=1 | 2*tCLK_APB + tSOS | - | - | |
PRELOADEN=0 | tSOS+7 | - | - | ||||
tSSH | SS hold after SCK | Client | tSIH - 4 | - | - | ||
tSOS | MISO setup SCK | Client | - | tSSCK/2 - 20 | - | ||
tSOH | MISO hold after SCK | Client | - | 20 | - | ||
tSOSS | MISO setup after SS low | Client | - | 16 | - | ||
tSOSH | MISO hold after SS high | Client | - | 11 | - |
Note:
- These values are based on simulation. These values are not covered by test limits in production.
- See I/O Pin Characteristics.