ST STM32H7 Series User Manual

The Cortex-M4 processor PM0214
18/262 PM0214 Rev 9
2.1.3 Core registers
Figure 2. Processor core registers
Table 2. Summary of processor mode, execution privilege level, and stack usage
Processor
mode
Used to
execute
Privilege level for
software execution
Stack used
Thread Applications Privileged or unprivileged
(1)
1. See CONTROL register on page 25.
Main stack or process stack
(1)
Handler Exception handlers Always privileged Main stack
Table 3. Core register set summary
Name Type
(1)
Required
privilege
(2)
Reset
value
Description
R0-R12 read-write Either Unknown General-purpose registers on page 19
MSP read-write Privileged See description Stack pointer on page 19
PSP read-write Either Unknown Stack pointer on page 19
LR read-write Either 0xFFFFFFFF Link register on page 19
PC read-write Either See description Program counter on page 19

ST STM32H7 Series Specifications

General

Brand	ST
Model	STM32H7 Series
Category	Computer Hardware
Language	English