Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet
Product codes
ATSAM4E-XPRO
247
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
12.9.1.12 System Handler Control and State Register
Name:
SCB_SHCSR
Access: Read/Write
Reset: 0x000000000
The SHCSR enables the system handlers, and indicates the pending status of the bus fault, memory management fault,
and SVC exceptions; it also indicates the active status of the system handlers.
and SVC exceptions; it also indicates the active status of the system handlers.
USGFAULTENA: Usage Fault Enable
0: Disables the exception.
1: Enables the exception.
BUSFAULTENA: Bus Fault Enable
0: Disables the exception.
1: Enables the exception.
MEMFAULTENA: Memory Management Fault Enable
0: Disables the exception.
1: Enables the exception.
SVCALLPENDED: SVC Call Pending
Read:
0: The exception is not pending.
1: The exception is pending.
Note: The user can write to these bits to change the pending status of the exceptions.
BUSFAULTPENDED: Bus Fault Exception Pending
Read:
0: The exception is not pending.
1: The exception is pending.
Note: The user can write to these bits to change the pending status of the exceptions.
31
30
29
28
27
26
25
24
–
23
22
21
20
19
18
17
16
–
USGFAULTENA BUSFAULTENA MEMFAULTENA
15
14
13
12
11
10
9
8
SVCALLPENDE
D
BUSFAULTPEN
DED
MEMFAULTPEN
DED
USGFAULTPEN
DED
SYSTICKACT
PENDSVACT
–
MONITORACT
7
6
5
4
3
2
1
0
SVCALLACT
–
USGFAULTACT
–
BUSFAULTACT MEMFAULTACT