USB5742 Datasheet, PDF (35/46 Pages) Microchip Technology – 2-Port SS/HS USB Controller Hub

USB5742
9.6.7 SPI TIMING
This section specifies the SPI timing requirements for the device.
FIGURE 9-5:
SPI TIMING
SPI_CE_N
SPI_CLK
SPI_DI
SPI_DO
t_ceh
t_cel
t_fc
t_clq
t_dh
t_os t_oh
t_ov
t_oh
TABLE 9-8: SPI TIMING (30 MHZ OPERATION)
Symbol
t_fc
t_ceh
t_clq
t_dh
t_os
t_oh
t_ov
t_cel
t_ceh
Description
Clock frequency
Chip enable (SPI_CE_EN) high time
Clock to input data
Input data hold time
Output setup time
Output hold time
Clock to output valid
Chip enable (SPI_CE_EN) low to first clock
Last clock to chip enable (SPI_CE_EN) high
TABLE 9-9: SPI TIMING (60 MHZ OPERATION)
Symbol
t_fc
t_ceh
t_clq
t_dh
t_os
t_oh
t_ov
t_cel
t_ceh
Description
Clock frequency
Chip enable (SPI_CE_EN) high time
Clock to input data
Input data hold time
Output setup time
Output hold time
Clock to output valid
Chip enable (SPI_CE_EN) low to first clock
Last clock to chip enable (SPI_CE_EN) high
Min
Typ
Max Units
30
MHz
100
ns
13
ns
0
ns
5
ns
5
ns
4
ns
12
ns
12
ns
Min
Typ
Max Units
60
MHz
50
ns
9
ns
0
ns
5
ns
5
ns
4
ns
12
ns
12
ns
 2015-2016 Microchip Technology Inc.
DS00002016B-page 35