Manual

979
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
Figure 47-10. SPI Slave Mode with (CPOL = NCPHA = 0) or (CPOL= NCPHA= 1)
Notes: 1. Cload is 8pF for MISO and 6pF for SPCK and MOSI.
Table 47-36. SPI Timings
Symbol Parameter Cond Min Max Units
Master Mode
SPI
0
MISO Setup time before SPCK rises
(1)
TBD + 0.5*t
CPMCK
ns
SPI
1
MISO Hold time after SPCK rises
(1)
TBD - 0.5* t
CPMCK
ns
SPI
2
SPCK rising to MOSI valid
(1)
TBD ns
SPI
2
SPCK rising to MOSI change
(1)
TBD ns
SPI
3
MISO Setup time before SPCK falls
(1)
TBD + 0.5*t
CPMCK
ns
SPI
4
MISO Hold time after SPCK falls
(1)
TBD - 0.5* t
CPMCK
ns
SPI
5
SPCK falling to MOSI valid
(1)
TBD ns
SPI
2
SPCK falling to MOSI change
(1)
TBD ns
Slave Mode
SPI
6
SPCK falling to MISO valid
(1)
TBD ns
SPI
6
SPCK falling to MISO change
(1)
TBD ns
SPI
7
MOSI Setup time before SPCK rises
(1)
TBD ns
SPI
8
MOSI Hold time after SPCK rises
(1)
TBD ns
SPI
9
SPCK rising to MISO valid
(1)
TBD ns
SPI
9
SPCK rising to MISO change
(1)
TBD ns
SPI
10
MOSI Setup time before SPCK falls
(1)
TBD ns
SPI
11
MOSI Hold time after SPCK falls
(1)
TBD ns
SPI
12
NPCS0,1,2,3 to MOSI
(1)
TBD ns
SPI
13
NPCS0,1,2,3 to MISO
(1)
TBD ns
SPCK
MISO
MOSI
SPI
9
SPI
10
SPI
11