39.4.18 SPI Mode Requirements

Table 39-24. 
Standard Operating Conditions (unless otherwise stated)
Param No. Sym. Characteristic Min. Typ. † Max. Units Conditions
SP70*

TSSL2SCH,

TSSL2SCL

 SS↓ to SCK↓ or SCK↑ input 2.25*TCY — — ns
SP71* TSCH SCK input high time (Client mode) TCY + 20 — — ns
SP72* TSCL SCK input low time (Client mode) TCY + 20 — — ns
SP73*

TDIV2SCH,

TDIV2SCL

 Setup time of SDI data input to SCK edge 100 — — ns
SP74*

TSCH2DIL,

TSCL2DIL

 Hold time of SDI data input to SCK edge 100 — — ns
SP75* TDOR SDO data output rise time — 10 25 ns 3.0V≤VDD≤5.5V
— 25 50 ns 1.8V≤VDD≤5.5V
SP76* TDOF SDO data output fall time — 10 25 ns
SP77* TSSH2DOZ SS↑ to SDO output high-impedance 10 — 50 ns
SP78* TSCR SCK output rise time (Host mode) — 10 25 ns 3.0V≤VDD≤5.5V
— 25 50 ns 1.8V≤VDD≤5.5V
SP79* TSCF SCK output fall time (Host mode) — 10 25 ns
SP80*

TSCH2DOV,

TSCL2DOV

 SDO data output valid after SCK edge — — 50 ns 3.0V≤VDD≤5.5V
— — 145 ns 1.8V≤VDD≤5.5V
SP81*

TDOV2SCH,

TDOV2SCL

 SDO data output setup to SCK edge 1 TCY — — ns
SP82* TSSL2DOV SDO data output valid after SS↓ edge — — 50 ns
SP83*

TSCH2SSH,

TSCL2SSH

 SS ↑after SCK edge 1.5 TCY + 40 — — ns

* - These parameters are characterized but not tested.

† Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not tested.
Figure 39-17. SPI Host Mode Timing (CKE = 0, SMP = 0)
Note: Refer to Figure 39-4 for load conditions.
Figure 39-18. SPI Host Mode Timing (CKE = 1, SMP = 1)
Note: Refer to Figure 39-4 for load conditions.
Figure 39-19. SPI Client Mode Timing (CKE = 0)
Note: Refer to Figure 39-4 for load conditions.
Figure 39-20. SPI Client Mode Timing (CKE = 1)
Note: Refer to Figure 39-4 for load conditions.