ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 175
ATSAM3U-EK
Manufacturer Part Number
ATSAM3U-EK
Description
KIT EVAL FOR AT91SAM3U CORTEX
Manufacturer
Atmel
Type
MCUr
Datasheets
1.ATSAM3U-EK.pdf
(2 pages)
2.ATSAM3U-EK.pdf
(61 pages)
3.ATSAM3U-EK.pdf
(1171 pages)
4.ATSAM3U-EK.pdf
(53 pages)
Specifications of ATSAM3U-EK
Contents
Board
Processor To Be Evaluated
SAM3U
Data Bus Width
32 bit
Interface Type
RS-232, USB
Operating Supply Voltage
3 V
Silicon Manufacturer
Atmel
Core Architecture
ARM
Core Sub-architecture
Cortex - M3
Silicon Core Number
SAM3U4E
Silicon Family Name
SAM3U
Kit Contents
Board CD Docs
Rohs Compliant
Yes
For Use With/related Products
AT91SAM3U
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3U-EK
Manufacturer:
Atmel
Quantity:
10
- ATSAM3U-EK PDF datasheet
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- ATSAM3U-EK PDF datasheet #3
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- Download datasheet (25Mb)
13.19.7.4
13.19.7.5
13.19.7.6
• Priority, byte offset 3
• Priority, byte offset 2
• Priority, byte offset 1
• Priority, byte offset 0
Each priority field holds a priority value, 0-15. The lower the value, the greater the priority of the corresponding interrupt.
The processor implements only bits[7:4] of each field, bits[3:0] read as zero and ignore writes.
See
interrupt priority array, that provides the software view of the interrupt priorities.
6430D–ATARM–25-Mar-11
“The CMSIS mapping of the Cortex-M3 NVIC registers” on page 167
31
23
15
31
23
15
31
23
15
7
7
7
IPR2
IPR1
IPR0
30
22
14
30
22
14
30
22
14
6
6
6
29
21
13
29
21
13
29
21
13
5
5
5
28
20
12
28
20
12
28
20
12
4
4
4
IP[11]
IP[10]
IP[9]
IP[8]
IP[7]
IP[6]
IP[5]
IP[4]
IP[3]
IP[2]
IP[1]
IP[0]
27
19
11
27
19
11
27
19
11
3
3
3
for more information about the IP[0] to IP[29]
26
18
10
26
18
10
26
18
10
2
2
2
SAM3U Series
25
17
25
17
25
17
9
1
9
1
9
1
24
16
24
16
24
16
8
0
8
0
8
0
175
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