Reference

Here is a list of all modules:

[detail level 12]

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