2.7.2 System Control Block

The System control block (SCB) provides system implementation information, and system control. This includes configuration, control, and reporting of the system exceptions. The following table lists the SCB registers.

Table 2-44. Summary of the System Control Block Registers
Address	Name	Type	Required privilege	Reset value	See
0xE000E008	ACTLR	RW	Privileged	0x00000000	Auxiliary Control Register
0xE000ED00	CPUID	RO	Privileged	0x412FC230	CPUID Base Register
0xE000ED04	ICSR	RW ¹	Privileged	0x00000000	Interrupt Control and State Register
0xE000ED08	VTOR	RW	Privileged	0x00000000	Vector Table Offset Register
0xE000ED0C	AIRCR	RW ^a	Privileged	0xFA050000	Application Interrupt and Reset Control Register
0xE000ED10	SCR	RW	Privileged	0x00000000	System Control Register
0xE000ED14	CCR	RW	Privileged	0x00000200	Configuration and Control Register
0xE000ED18	SHPR1	RW	Privileged	0x00000000	System Handler Priority Registers
0xE000ED1C	SHPR2	RW	Privileged	0x00000000	System Handler Priority Registers
0xE000ED20	SHPR3	RW	Privileged	0x00000000	System Handler Priority Registers
0xE000ED24	SHCRS	RW	Privileged	0x00000000	System Handler Control and State Register
0xE000ED28	CFSR	RW	Privileged	0x00000000	Configurable Fault Status Register
0xE000ED28	MMSR ²	RW	Privileged	0x00	MemManage Fault Status Register
0xE000ED29	BFSR ^b	RW	Privileged	0x00	BusFault Status Register
0xE000ED2A	UFSR ^b	RW	Privileged	0x0000	UsageFault Status Register
0xE000ED2C	HFSR	RW	Privileged	0x00000000	BusFault Status Register
0xE000ED34	MMAR	RW	Privileged	Unknown	UsageFault Status Register
0xE000ED38	BFAR	RW	Privileged	Unknown	HardFault Status Register
0xE000ED3C	AFSR	RW	Privileged	0x00000000	MemManage Fault Address Register

Note:

See the register description for more information.
A sub-register of the CFSR.