Datasheet

727
11011B–ATARM–21-Feb-12
SAM3N
Notes: 1. 1.8V domain: VDDIO from 1.65V to 1.95V, maximum external capacitor = 25pF
2. 3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 25pF.
SPI
10
MOSI Setup time before t
CPSCK
falls
1.8v domain
3.3v domain
2 * t
CPMCK
+ 1.8
2 * t
CPMCK
+ 1.7
ns
SPI
11
MOSI Hold time after t
CPSCK
falls
1.8v domain
3.3v domain
0.5
0.4
ns
SPI
12
NPCS0 setup to t
CPSCK
rising
1.8v domain
3.3v domain
2.5 * t
CPMCK
-0.26
2.5 * t
CPMCK
-0.4
ns
SPI
13
NPCS0 hold after t
CPSCK
falling
1.8v domain
3.3v domain
1.5 * t
CPMCK
+ 2.2
1.5 * t
CPMCK
+ 2
ns
SPI
14
NPCS0 setup to t
CPSCK
falling
1.8v domain
3.3v domain
2.5 * t
CPMCK
-0.4
2.5 * t
CPMCK
-0.4
ns
SPI
15
NPCS0 hold after t
CPSCK
rising
1.8v domain
3.3v domain
1.5 * t
CPMCK
+ 1.8
1.5 * t
CPMCK
+ 1.7
ns
Table 35-42. USART SPI Timings (Continued)
Symbol Parameter Conditions Min Max Units