ISD94100 Series Technical Reference Manual
Sep 9, 2019
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6.2.14 System Control Register
The Cortex
®
-M4 status and operation mode control are managed by System Control Registers.
These registers also manage CPUID, Cortex
®
-M4 interrupt priority and Cortex
®
-M4 power
management.
For more detailed information, please refer to the “
ARM
®
Cortex™-M4 Technical Reference Manual
”
and “
ARM
®
v6-M Architecture Reference Manual
”.
R:
read only,
W:
write only,
R/W:
both read and write
Register
Offset
R/W Description
Reset Value
SCR Base Address:
SCS_BA = 0xE000_E000
ICSR
0xD04
R/W Interrupt Control and State Register
0x0000_0000
AIRCR
0xD0C
R/W Application Interrupt and Reset Control Register
0xFA05_0000
SCR
0xD10
R/W System Control Register
0x0000_0000
SHPR1
0xD18
R/W System Handler Priority Register 1
0x0000_0000
SHPR2
0xD1C
R/W System Handler Priority Register 2
0x0000_0000
SHPR3
0xD20
R/W System Handler Priority Register 3
0x0000_0000
Note:
1.
Any register not listed here is reserved and must not be written. The result of a read operation on these bits is undefined.
2.
The reserved register fields that listed in register description must be written to their reset value. Writing reserved fields with
other than reset values may produce undefined results.