Timing specifications


Symbol	Description	Min.	Typ.	Max.	Units
f_SPIM	Bit rates for SPIM¹			16²	Mbps
t_SPIM,START	Time from START task to transmission started		1		µs
t_SPIM,CSCK	SCK period	125			ns
t_SPIM,RSCK,LD	SCK rise time, standard drive^{^a}			t_RF,25pF
t_SPIM,RSCK,HD	SCK rise time, high drive^{^a}			t_HRF,25pF
t_SPIM,FSCK,LD	SCK fall time, standard drive^{^a}			t_RF,25pF
t_SPIM,FSCK,HD	SCK fall time, high drive^{^a}			t_HRF,25pF
t_SPIM,WHSCK	SCK high time^{^a}	(t_CSCK/2) - t_RSCK - 1.5 ns
t_SPIM,WLSCK	SCK low time^{^a}	(t_CSCK/2) - t_FSCK - 1.5 ns
t_SPIM,SUMI	MISO to CLK edge setup time	19			ns
t_SPIM,HMI	CLK edge to MISO hold time	10			ns
t_SPIM,VMO	CLK edge to MOSI valid, SCK frequency ≤ 8 MHz			59	ns
t_SPIM,VMO,HS	CLK edge to MOSI valid, SCK frequency > 8 MHz	..	..	..	ns
t_SPIM,HMO	MOSI hold time after CLK edge	10			ns

¹ High bit rates may require GPIOs to be set as High Drive, see GPIO chapter for more details.

² Application core SPIM4 supports 32 Mbps write speed when running at 128 MHz.

³ At 25pF load, including GPIO pin capacitance, see GPIO spec.