CMSIS-Core (Cortex-M)  Version 5.2.1
CMSIS-Core support for Cortex-M processor-based devices
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Data Structures
Here are the data structures with brief descriptions:
oCAPSR_TypeUnion type to access the Application Program Status Register (APSR)
oCARM_MPU_Region_tSetup information of a single MPU Region
oCCONTROL_TypeUnion type to access the Control Registers (CONTROL)
oCCoreDebug_TypeStructure type to access the Core Debug Register (CoreDebug)
oCDWT_TypeStructure type to access the Data Watchpoint and Trace Register (DWT)
oCFPU_TypeStructure type to access the Floating Point Unit (FPU)
oCIPSR_TypeUnion type to access the Interrupt Program Status Register (IPSR)
oCITM_TypeStructure type to access the Instrumentation Trace Macrocell Register (ITM)
oCMPU_TypeStructure type to access the Memory Protection Unit (MPU)
oCNVIC_TypeStructure type to access the Nested Vectored Interrupt Controller (NVIC)
oCSCB_TypeStructure type to access the System Control Block (SCB)
oCSCnSCB_TypeStructure type to access the System Control and ID Register not in the SCB
oCSysTick_TypeStructure type to access the System Timer (SysTick)
oCTPI_TypeStructure type to access the Trace Port Interface Register (TPI)
\CxPSR_TypeUnion type to access the Special-Purpose Program Status Registers (xPSR)