67.6.3.1.1 FLEXCOM SPI Timings

Timings are provided in the following conditions:
  • 1.8V domain: VDDIO from 1.7V to 1.9V, maximum external capacitor = 10 pF, DRV = 1, SR = 1
  • 3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 10 pF, DRV = 0, SR = 1
Table 67-22. FLEXCOM SPI Timings
Symbol Parameter Conditions Min Max Unit
Host Mode
fSPCK SPCK operating frequency 44 MHz
tSPCK SPCK period 22.5 ns
SPI0 MISO setup time before SPCK rises/falls 16.5 ns
SPI1 MISO hold time after SPCK rises/falls 0.0 ns
SPI2 SPCK rising to MOSI delay -4.5 4.5 ns
SPI3 MISO setup time before SPCK rises/falls 16.5 ns
SPI4 MISO hold time after SPCK rises/falls 0.0 ns
SPI5 SPCK falling to MOSI delay -4.5 4.5 ns
Client Mode
fSPCK SPCK operating frequency 25 MHz
tSPCK SPCK period 40.0 ns
SPI6 SPCK falling to MISO delay 4.0 16.0 ns
SPI7 MOSI setup time before SPCK rises/falls 2.0 ns
SPI8 MOSI hold time after SPCK rises/falls 2.0 ns
SPI9 SPCK rising to MISO delay 4.0 16.0 ns
SPI10 MOSI setup time before SPCK rises/falls 2.0 ns
SPI11 MOSI hold time after SPCK rises/falls 2.0 ns
SPI12 NPCS setup to SPCK rising 42.0 ns
SPI13 NPCS hold after SPCK rises/falls 42.0 ns
SPI14 NPCS setup to SPCK falling 42.0 ns
SPI15 NPCS hold after SPCK rises/falls 42.0 ns
SPI16 NPCS falling to MISO valid 42.0 ns