Spi ac characteristics, Figure 2 - spi read/write timing, Figure 3 - spi clock and select timing – B&B Electronics WLNN-EK-DP551 - Product Specification User Manual
Page 20: Table 12 - spi ac timings, 2 spi ac characteristics
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B&B Electronics, Inc.
Airborne WLNN DP550 Family Databook
20
7.2
SPI AC Characteristics
The following specification identifies the required hardware timing to successfully
implement a SPI interface with the Airborne Device Server module.
Table 12 - SPI AC Timings
Symbol
Parameter
Min
Typ
Max
Units
f
MAX
Maximum Clock Frequency
8.00
MHz
t
CS
SPI Select Low to Clock Rising Edge
100
ns
t
CH
Clock High
62.5
ns
t
CL
Clock Low
62.5
ns
t
DA
Clock High to Data Out
60
ns
t
DS
Clock Low to Data In Valid Set-up time
14
ns
t
DH
Clock Low to Data Valid Hold time
2
ns
t
CSH
Clock Falling Edge to SPI Select High
100
ns
t
DELAY
SPI Select High to SPI Select Low
40
µs
Figure 2 - SPI Read/Write Timing
Figure 3 - SPI Clock and Select Timing
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