37.16.2 SERCOM in SPI Mode Timing

Figure 37-20. SPI Timing Requirements in Host Mode
Figure 37-21. SPI Timing Requirements in Client Mode
Table 37-67. SPI Timing Characteristics and Requirements(1)
SymbolParameterConditionsMin.Typ.Max.Units
tSCKSCK periodHost84ns
tSCKWSCK high/low widthHost-0.5*tSCK-
tSCKRSCK rise time(2)Host---
tSCKFSCK fall time(2)Host---
tMISMISO setup to SCKHost-21-
tMIHMISO hold after SCKHost-13-
tMOSMOSI setup SCKHost-tSCK/2 - 3-
tMOHMOSI hold after SCKHost-3-
tSSCKClient SCK PeriodClient1*tCLK_APB--
tSSCKWSCK high/low widthClient0.5*tSSCK--
tSSCKRSCK rise time(2)Client---
tSSCKFSCK fall time(2)Client---
tSISMOSI setup to SCKClienttSSCK/2 - 9--
tSIHMOSI hold after SCKClienttSSCK/2 - 3--
tSSSSS setup to SCKClientPRELOADEN=12*tCLK_APB + tSOS--
PRELOADEN=0tSOS+7--
tSSHSS hold after SCKClienttSIH - 4--
tSOSMISO setup SCKClient-tSSCK/2 - 18-
tSOHMISO hold after SCKClient-18-
tSOSSMISO setup after SS lowClient-18-
tSOSHMISO hold after SS highClient-10-
Note:
  1. These values are based on simulation. These values are not covered by test limits in production.
  2. See I/O Pin Characteristics.