| CMSIS-Core (Cortex-M) CMSIS-Core support for Cortex-M processor-based devices |

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API Reference
Here is a list of all modules:
[detail level 1 2]

Device capabilitiy defines | Defines to configure and check device capabilities
Version Control | Version #define symbols for CMSIS release specific C/C++ source code
Compiler Control | Compiler agnostic #define symbols for generic C/C++ source code
Peripheral Access | Naming conventions and optional features for accessing peripherals
System and Clock Configuration | Functions for system and clock setup available in system_device.c
Interrupts and Exceptions (NVIC) | Functions to access the Nested Vector Interrupt Controller (NVIC)
Core Register Access | Functions to access the Cortex-M core registers
Intrinsic Functions for CPU Instructions | Functions that generate specific Cortex-M CPU Instructions
Intrinsic Functions for SIMD Instructions | Access to dedicated SIMD instructions available on Armv7E-M (Cortex-M4/M7), Armv8-M Mainline (Cortex-M33/M35P), and Armv8.1-M (Cortex-M55/M85)
FPU Functions | Functions that relate to the Floating-Point Arithmetic Unit
MVE Functions | Functions that relate to the MVE (Cortex-M Vector Extensions) Unit
►MPU Functions for Armv6-M/v7-M | Functions that relate to the Memory Protection Unit
Define values | Define values for MPU region setup
MPU Functions for Armv8-M | Functions that relate to the Memory Protection Unit
►PMU Functions for Armv8.1-M | Functions that relate to the Performance Monitoring Unit
PMU Events for Armv8.1-M | IDs for Armv8.1-M architecture defined events
PMU Events for Cortex-M55 | IDs for additional events defined for Cortex-M55
PMU Events for Cortex-M85 | IDs for additional events defined for Cortex-M85
Systick Timer (SYSTICK) | Initialize and start the SysTick timer
Debug Access | Debug Access to the Instrumented Trace Macrocell (ITM)
►TrustZone for Armv8-M/v8.1-M | Functions that related to optional Armv8-M and Armv8.1-M security extension
Core Register Access Functions | Core register Access functions related to TrustZone for Armv8-M
NVIC Functions | Nested Vector Interrupt Controller (NVIC) functions related to TrustZone for Armv8-M
SysTick Functions | SysTick functions related to TrustZone for Armv8-M
SAU Functions | Secure Attribution Unit (SAU) functions related to TrustZone for Armv8-M
Stack Sealing Support Functions | Stack sealing macros and helper functions
RTOS Context Management | RTOS Thread Context Management for Armv8-M TrustZone
►Cache Functions (Level-1) | Functions for level-1 instruction and data cache
I-Cache Functions | Functions for the level-1 instruction cache
D-Cache Functions | Functions for the level-1 data cache
Deprecated Symbols | List of deprecated symbols