Datasheet

SAM9G20
DS60001516A-page 760  2017 Microchip Technology Inc.
Note 1: C
LOAD
is 8 pF for MISO and 6 pF for SPCK and MOSI.
40.12.3 SSC Timings
Timings are given assuming a capacitance load on clock and data signals as defined in Table 40-40.
Table 40-39: SPI Timings
Symbol Parameter Conditions Min Max Unit
SPI
0
MISO Setup time before SPCK rises
Master mode
Max corner
14.5 + 0.5 *
t
CPMCK
–ns
SPI
1
MISO Hold time after SPCK rises
-11.6 - 0.5 *
t
CPMCK
–ns
SPI
2
SPCK rising to MOSI -0.6 – ns
SPI
3
MISO Setup time before SPCK falls
14.7 + 0.5 *
t
CPMCK
–ns
SPI
4
MISO Hold time after SPCK falls
-11.7 - 0.5 *
t
CPMCK
–ns
SPI
5
SPCK falling to MOSI -0.7 – ns
SPI
6
SPCK falling to MISO
Slave mode
Max corner
14.7 – ns
SPI
7
MOSI Setup time before SPCK rises 5.8 – ns
SPI
8
MOSI Hold time after SPCK rises -2.7 – ns
SPI
9
SPCK rising to MISO 14.7 – ns
SPI
10
MOSI Setup time before SPCK falls 23.8 – ns
SPI
11
MOSI Hold time after SPCK falls 15.3 – ns
SPI
12
NPCS0 setup to SPCK rising -8.3 – ns
SPI
13
NPCS0 hold after SPCK falling 10.9 – ns
SPI
14
NPCS0 setup to SPCK falling -8.3 – ns
SPI
15
NPCS0 hold after SPCK rising 10.9 – ns
SPI
16
NPCS0 falling to MISO valid 14.7 10.7 ns
Table 40-40: Capacitance Load
Supply
Corner
Max
3.3V 30 pF
1.8V 20 pF