AT91SAM 查看數據表（PDF） - Atmel Corporation
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AT91SAM Datasheet PDF : 1185 Pages
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Table 46-33. SPI Timings with 3.3V Peripheral Supply
Symbol
Parameter
Cond
Min
Master Mode
SPISPCK
SPI0
SPI1
SPI2
SPI3
SPI4
SPI5
SPI Clock
MISO Setup time before SPCK rises
14.6
MISO Hold time after SPCK rises
0
SPCK rising to MOSI
0
MISO Setup time before SPCK falls
14.3
MISO Hold time after SPCK falls
0
SPCK falling to MOSI
0
Slave Mode
SPI6
SPI7
SPI8
SPI9
SPI10
SPI11
SPI12
SPI13
SPI14
SPI15
SPI16
SPCK falling to MISO
MOSI Setup time before SPCK rises
MOSI Hold time after SPCK rises
SPCK rising to MISO
MOSI Setup time before SPCK falls
MOSI Hold time after SPCK falls
NPCS0 setup to SPCK rising
NPCS0 hold after SPCK falling
NPCS0 setup to SPCK falling
NPCS0 hold after SPCK rising
NPCS0 falling to MISO valid
4.6
0.7
1.9
4.6
0.9
1.4
17.3
15.1
18
15.0
4.4
Table 46-34. SPI Timings with 1.8V Peripheral Supply
Symbol
Parameter
Cond
Min
Master Mode
SPISPCK
SPI0
SPI1
SPI2
SPI3
SPI4
SPI5
SPI Clock
MISO Setup time before SPCK rises
18.0
MISO Hold time after SPCK rises
0
SPCK rising to MOSI
0
MISO Setup time before SPCK falls
17.6
MISO Hold time after SPCK falls
0
SPCK falling to MOSI
0
Slave Mode
SPI6
SPCK falling to MISO
6.0
SPI7
MOSI Setup time before SPCK rises
0.7
SPI8
MOSI Hold time after SPCK rises
1.7
SPI9
SPCK rising to MISO
5.5
Max
Units
66
MHz
ns
ns
0.2
ns
ns
ns
0.6
ns
15.1
ns
ns
ns
15.2
ns
ns
ns
ns
ns
ns
ns
14.5
ns
Max
Units
66
MHz
ns
ns
0.2
ns
ns
ns
0.7
ns
18.9
ns
ns
ns
18.7
ns
SAM9G45 [DATASHEET] 1131
6438K–ATARM–12-Feb-13
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