SAM3X8C Atmel Corporation, SAM3X8C Datasheet - Page 1435

• Manufacturer Part Number: SAM3X8C
• Manufacturer: Atmel Corporation

Table 45-54. USART SPI Timings
11057A–ATARM–17-Feb-12
Symbol
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
0
1
2
3
4
5
6
7
8
9
Parameter
t
Input Data Setup Time
Input Data Hold Time
Chip Select Active to Serial Clock
Output Data Setup Time
Serial Clock to Chip Select Inactive
t
MOSI Setup time before t
MOSI Hold time after t
t
CPSCK
CPSCK
CPSCK
Period
falling to MISO
rising to MISO
Figure 45-32. USART SPI Slave mode (Mode 0 or 3)
MISO
MOSI
NSS
SCK
CPSCK
CPSCK
SPI
rises
15
rises
Master Mode
Slave Mode
SPI
9
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
Conditions
SPI
10
0.5 t
1.5 t
1.5 t
2 t
1.5 t
SPI
CPMCK
t
CPMCK
CPMCK
CPMCK
CPMCK
11
Min
CPSCK
0
7
1
7
+ 6.8
/6
+ 7.7
+ 1.8
+ 0.7
-1
1 t
CPSCK
Max
7.4
30
- 1
SAM3X/A
SPI
14
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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