ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 195
![KIT EVAL FOR AT91SAM3U CORTEX](/photos/9/20/92037/atsam3u-ek_sml.jpg)
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
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13.20.10 System Handler Control and State Register
• USGFAULTENA
Usage fault enable bit, set to 1 to enable
• BUSFAULTENA
Bus fault enable bit, set to 1 to enable
• MEMFAULTENA
Memory management fault enable bit, set to 1 to enable
• SVCALLPENDED
SVC call pending bit, reads as 1 if exception is pending
• BUSFAULTPENDED
Bus fault exception pending bit, reads as 1 if exception is pending
• MEMFAULTPENDED
Memory management fault exception pending bit, reads as 1 if exception is pending
• USGFAULTPENDED
Usage fault exception pending bit, reads as 1 if exception is pending
• SYSTICKACT
SysTick exception active bit, reads as 1 if exception is active
• PENDSVACT
PendSV exception active bit, reads as 1 if exception is active
1.
2.
3.
6430D–ATARM–25-Mar-11
SVCALLPENDE
SVCALLAVCT
31
23
15
D
7
Enable bits, set to 1 to enable the exception, or set to 0 to disable the exception.
Pending bits, read as 1 if the exception is pending, or as 0 if it is not pending. You can write to these bits to change the pending
Active bits, read as 1 if the exception is active, or as 0 if it is not active. You can write to these bits to change the active status of
status of the exceptions.
the exceptions, but see the Caution in this section.
BUSFAULTPEND
ED
30
22
14
6
The SHCSR enables the system handlers, and indicates:
See the register summary in
ments are:
• the pending status of the bus fault, memory management fault, and SVC exceptions
• the active status of the system handlers.
MEMFAULTPEN
Reserved
Reserved
DED
29
21
13
5
(3)
(1)
USGFAULTPEND
28
20
12
ED
4
Table 13-30 on page 180
(2)
(3)
Reserved
(3)
USGFAULTACT
SYSTICKACT
(2)
27
19
11
3
(2)
USGFAULTENA
PENDSVACT
Reserved
for the SHCSR attributes. The bit assign-
26
18
10
2
(2)
BUSFAULTENA
BUSFAULTACT
SAM3U Series
Reserved
25
17
9
1
MEMFAULTENA
MEMFAULTACT
MONITORACT
24
16
8
0
195
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