Reference

Here is a list of all modules:

[detail level 12]

Version Control	Version #define symbols for CMSIS release specific C/C++ source code
Version Control per Core (Depricated)	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 [only Cortex-M4 and Cortex-M7]	Access to dedicated SIMD instructions
FPU Functions	Functions that relate to the Floating-Point Arithmetic Unit
MPU Functions for Armv7-M	Functions that relate to the Memory Protection Unit
Define values	Define values for MPU region setup
Systick Timer (SYSTICK)	Initialize and start the SysTick timer
Debug Access	Debug Access to the Instrumented Trace Macrocell (ITM)
TrustZone for Armv8-M	Functions that related to optional Armv8-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
RTOS Context Management	RTOS Thread Context Management for Armv8-M TrustZone
Cache Functions (only Cortex-M7)	Functions for Instruction and Data Cache
I-Cache Functions	Functions for the instruction cache
D-Cache Functions	Functions for the data cache