MB86R02 'Jade-D' Hardware Manual V1.64
34.5.12
SPI Signal Timing
Table 34-34 SPI AC Timing
Signal
Symbol
t
SPI_SCK
cyc
t
sdi
SPI_DI
t
hdi
t
SPI_DO
do
t
SPI_SS
sso
A indicates APB bus clock cycle.
Load capacitance = 30pF
Analysis relative to falling SCK TODO
SPI_SCK
SPI_SCK
SPI_DO
SPI_DI
SPI_SS
Figure 34-34 SPI Timing
Polarity of SPI_SCK is determined by the register setting.
Description
Operating frequency
Setup time, SPI_DI valid before
SPI_SCK
Hold time, SPI_DI valid after SPI_SCK
Delay time, SPI_SCK
Delay time, SPI_SCK
t
cyc
t
do
t
t
sdi
hdi
t
sso
Value
Min.
Typ.
Max.
–
–
0.5A
10
–
–
0
–
–
0
–
9
0
–
9
Unit
MHz
ns
ns
ns
ns
34-39