SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 1421
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
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Table 45-43. I/O Characteristics
Notes:
Table 45-44. NRSTB
45.10.3
11057A–ATARM–17-Feb-12
Symbol
FreqMax1
PulseminH
PulseminL
FreqMax2
PulseminH
PulseminL
Symbol
Tf
Tuf
1. Pin Group 1 = PA3, PA15
2. Pin Group 2 = PA[0-2], PA[4-14], PA[16-31], PB[0-31], PC[0-31]
SPI Characteristics
1
2
1
2
Parameter
Filtered Pulse Width
Unfiltered Pulse Width
Parameter
Pin Group 1
Pin Group 1
Pin Group 1
Pin Group 2
Pin Group 2
Pin Group 2
Figure 45-15. SPI Master Mode with (CPOL= NCPHA = 0) or (CPOL= NCPHA= 1)
SPCK
(1)
(1)
(1)
(2)
(2)
(2)
SPCK
MISO
MOSI
MISO
MOSI
Maximum output frequency
High Level Pulse Width
High Level Pulse Width
Low Level Pulse Width
Maximum output frequency
Low Level Pulse Width
– Addition of rising and falling time inferior to 75% of the period
Conditions
SPI
SPI
2
2
30 pF
45 pF
30 pF
45 pF
30 pF
45 pF
SPI
SPI
0
0
Conditions
1.62V < VDDIO < 3.6V
1.62V < VDDIO < 3.6V
1.62V < VDDIO < 3.6V
V
V
V
V
V
V
V
V
V
V
V
V
Load: 25 pF
Load: 25pF
Load: 25pF
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
DDIO
SPI
SPI
= 1.62V
= 1.62V
= 1.62V
= 1.62V
= 1.62V
= 1.62V
= 3.0V
= 3.0V
= 3.0V
= 3.0V
= 3.0V
= 3.0V
1
1
Min
100
Typ
14.7
14.7
14.5
14.5
Min
7.7
7.7
11
11
11
11
SAM3X/A
Max
1
Max
45
65
34
45
35
Units
Units
μs
μs
MHz
MHz
ns
ns
ns
ns
1421
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