9.6.4 SPI Port

Table 9-9. SPI Port AC Operational Characteristics
Description	Symbol	Min	Max	Units	Notes
Maximum SCLK frequency	f_sck		25	MHz
SCLK low time	t_scll	16		ns
SCLK high time	t_sclh	16		ns
SCLK low to CS_N high	t_skcsh	13.5		ns
CS_N low to SCLK rising	t_css	8		ns
CS_N low to SDO valid	t_cdv		10	ns
CS_N high time	t_cht	40		ns	Note 1
SDI valid to SCLK rising	t_sds	4.3		ns
SDI hold from SCLK rising	t_sdh	4		ns
SCLK falling to SDO valid	t_sdv		10	ns
CS_N high to SDO Hi-Z	t_sdz		8	ns
Note: Design parameter, not characterized

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