CYUSB3014 Datasheet, PDF (30/38 Pages) Cypress Semiconductor – EZ-USB FX3 SuperSpeed USB Controller UART support up to 4 Mbps

PRELIMINARY
CYUSB3014
Table 14. SPI Timing Parameters^[9]
Parameter
fop
tsck
twsck
tlead
tlag
trf
tsdd
tdv
tdi
tssnh
tsdi
thoi
tdis
Description
Operating frequency
Cycle time
Clock high/low time
SSN-SCK lead time
Enable lag time
Rise/fall time
Output SSN to valid data delay time
Output data valid time
Output data invalid
Minimum SSN high time
Data setup time input
Data hold time input
Disable data output on SSN high
Min
0
30
13.5
1/2 tsck^[10]-5
0.5
–
–
–
0
10
8
0
0
Reset Sequence
The hard reset sequence requirements for EZ-USB FX3 are specified here.
Table 15. Reset and Standby Timing Parameters
Parameter
Definition
tRPW
Minimum RESET# pulse width
tRH
tRR
tSBY
tWU
Minimum high on RESET#
Reset recovery time (after which Boot loader begins
firmware download)
Time to enter standby/suspend (from the time
MAIN_CLOCK_EN/ MAIN_POWER_EN bit is set)
Time to wakeup from standby
tWH
Minimum time before Standby/Suspend source may
be reasserted
Conditions
Clock Input
Crystal Input
–
–
–
Clock Input
Crystal Input
–
Max
33
–
–
1.5tsck^[10]+ 5
1.5 tsck^[10]+5
8
5
5
–
–
–
–
–
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min (ms)
1
5
5
1
–
1
5
5
Max (ms)
–
–
–
–
1
–
–
–
Notes
9. All parameters guaranteed by design and validated through characterization.
10. Depends on LAG and LEAD setting in SPI_CONFIG register.
Document Number 001-52136 Rev. *H
Page 30 of 38
[+] Feedback