SAM3X8C Atmel Corporation, SAM3X8C Datasheet - Page 1436
SAM3X8C
Manufacturer Part Number
SAM3X8C
Description
Manufacturer
Atmel Corporation
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Table 45-54. USART SPI Timings
Notes:
45.10.8
Table 45-55. EMAC Signals Relative to EMDC
Notes:
Figure 45-33. Min and Max access time of EMAC output signals
1436
Symbol
SPI
SPI
SPI
SPI
SPI
SPI
Symbol
EMAC
EMAC
EMAC
10
11
12
13
14
15
1
2
3
1. 1.8V domain: VDDIO from 1.62V to 1.95V, maximum external capacitor = 30 pF
2. 3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 30 pF.
1. For EMAC output signals, Min and Max access time are defined. The Min access time is the time between the EDMC rising
2. VDDIO from 3.0V to 3.6V, maximum external capacitor = 20 pF.
SAM3X/A
EMAC
edge and the signal change. The Max access timing is the time between the EDMC rising edge and the signal stabilizes.
Figure 45-33
EMDC
EMDIO
Parameter
MOSI Setup time before t
MOSI Hold time after t
NPCS0 setup to t
NPCS0 hold after t
NPCS0 setup to t
NPCS0 hold after t
Parameter
Setup for EMDIO from EMDC rising
Hold for EMDIO from EMDC rising
EMDIO toggling from EMDC rising
illustrates Min and Max accesses for EMAC3.
EMAC
CPSCK
CPSCK
CPSCK
CPSCK
4
EMAC
CPSCK
rising
falling
falling
rising
CPSCK
EMAC
1
falls
falls
5
EMAC
(2)
(2)
(2)
2
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
2.5 t
1.5 t
1.5 t
2.5 t
2 t
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
Min
2.7
1
+ 6
+ 0.4
+ 2.7
+ 4
+1
Min (ns)
0 ns
EMAC
10 ns
10 ns
EMAC
(1)
3 min
3 max
Max
11057A–ATARM–17-Feb-12
Max (ns)
300 ns
Units
ns
ns
ns
ns
ns
ns
(1)
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