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<div id="projectname">CMSIS-Core (Cortex-M)
&#160;<span id="projectnumber">Version 5.3.0</span>
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<div id="projectbrief">CMSIS-Core support for Cortex-M processor-based devices</div>
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<div class="title">Register Mapping </div> </div>
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<div class="textblock"><p>The table below associates some common register names used in CMSIS to the register names used in Technical Reference Manuals.</p>
<table class="cmtable" summary="Register Mapping">
<tr>
<th>CMSIS Register Name </th><th>Cortex-M3, Cortex-M4, and Cortex-M7 </th><th>Cortex-M0 and Cortex-M0+ </th><th>Register Name </th></tr>
<tr>
<th colspan="4">Nested Vectored Interrupt Controller (NVIC) Register Access </th></tr>
<tr>
<td>NVIC-&gt;ISER[] </td><td>NVIC_ISER0..7 </td><td>ISER </td><td>Interrupt Set-Enable Registers </td></tr>
<tr>
<td>NVIC-&gt;ICER[] </td><td>NVIC_ICER0..7 </td><td>ICER </td><td>Interrupt Clear-Enable Registers </td></tr>
<tr>
<td>NVIC-&gt;ISPR[] </td><td>NVIC_ISPR0..7 </td><td>ISPR </td><td>Interrupt Set-Pending Registers </td></tr>
<tr>
<td>NVIC-&gt;ICPR[] </td><td>NVIC_ICPR0..7 </td><td>ICPR </td><td>Interrupt Clear-Pending Registers </td></tr>
<tr>
<td>NVIC-&gt;IABR[] </td><td>NVIC_IABR0..7 </td><td>- </td><td>Interrupt Active Bit Register </td></tr>
<tr>
<td>NVIC-&gt;IP[] </td><td>NVIC_IPR0..59 </td><td>IPR0..7 </td><td>Interrupt Priority Register </td></tr>
<tr>
<td>NVIC-&gt;STIR </td><td>STIR </td><td>- </td><td>Software Triggered Interrupt Register </td></tr>
<tr>
<th colspan="4">System Control Block (SCB) Register Access </th></tr>
<tr>
<td>SCB-&gt;CPUID </td><td>CPUID </td><td>CPUID </td><td>CPUID Base Register </td></tr>
<tr>
<td>SCB-&gt;ICSR </td><td>ICSR </td><td>ICSR </td><td>Interrupt Control and State Register </td></tr>
<tr>
<td>SCB-&gt;VTOR </td><td>VTOR </td><td>- </td><td>Vector Table Offset Register </td></tr>
<tr>
<td>SCB-&gt;AIRCR </td><td>AIRCR </td><td>AIRCR </td><td>Application Interrupt and Reset Control Register </td></tr>
<tr>
<td>SCB-&gt;SCR </td><td>SCR </td><td>SCR </td><td>System Control Register </td></tr>
<tr>
<td>SCB-&gt;CCR </td><td>CCR </td><td>CCR </td><td>Configuration and Control Register </td></tr>
<tr>
<td>SCB-&gt;SHP[] </td><td>SHPR1..3 </td><td>SHPR2..3 </td><td>System Handler Priority Registers </td></tr>
<tr>
<td>SCB-&gt;SHCSR </td><td>SHCSR </td><td>SHCSR </td><td>System Handler Control and State Register </td></tr>
<tr>
<td>SCB-&gt;CFSR </td><td>CFSR </td><td>- </td><td>Configurable Fault Status Registers </td></tr>
<tr>
<td>SCB-&gt;HFSR </td><td>HFSR </td><td>- </td><td>HardFault Status Register </td></tr>
<tr>
<td>SCB-&gt;DFSR </td><td>DFSR </td><td>- </td><td>Debug Fault Status Register </td></tr>
<tr>
<td>SCB-&gt;MMFAR </td><td>MMFAR </td><td>- </td><td>MemManage Fault Address Register </td></tr>
<tr>
<td>SCB-&gt;BFAR </td><td>BFAR </td><td>- </td><td>BusFault Address Register </td></tr>
<tr>
<td>SCB-&gt;AFSR </td><td>AFSR </td><td>- </td><td>Auxiliary Fault Status Register </td></tr>
<tr>
<td>SCB-&gt;PFR[] </td><td>ID_PFR0..1 </td><td>- </td><td>Processor Feature Registers </td></tr>
<tr>
<td>SCB-&gt;DFR </td><td>ID_DFR0 </td><td>- </td><td>Debug Feature Register </td></tr>
<tr>
<td>SCB-&gt;ADR </td><td>ID_AFR0 </td><td>- </td><td>Auxiliary Feature Register </td></tr>
<tr>
<td>SCB-&gt;MMFR[] </td><td>ID_MMFR0..3 </td><td>- </td><td>Memory Model Feature Registers </td></tr>
<tr>
<td>SCB-&gt;ISAR[] </td><td>ID_ISAR0..4 </td><td>- </td><td>Instruction Set Attributes Registers </td></tr>
<tr>
<td>SCB-&gt;CPACR </td><td>CPACR </td><td>- </td><td>Coprocessor Access Control Register </td></tr>
<tr>
<th colspan="4">System Control and ID Registers not in the SCB (SCnSCB) Register Access </th></tr>
<tr>
<td>SCnSCB-&gt;ICTR </td><td>ICTR </td><td>- </td><td>Interrupt Controller Type Register </td></tr>
<tr>
<td>SCnSCB-&gt;ACTLR </td><td>ACTLR </td><td>- </td><td>Auxiliary Control Register </td></tr>
<tr>
<th colspan="4">System Timer (SysTick) Control and Status Register Access </th></tr>
<tr>
<td>SysTick-&gt;CTRL </td><td>STCSR </td><td>SYST_CSR </td><td>SysTick Control and Status Register </td></tr>
<tr>
<td>SysTick-&gt;LOAD </td><td>STRVR </td><td>SYST_RVR </td><td>SysTick Reload Value Register </td></tr>
<tr>
<td>SysTick-&gt;VAL </td><td>STCVR </td><td>SYST_CVR </td><td>SysTick Current Value Register </td></tr>
<tr>
<td>SysTick-&gt;CALIB </td><td>STCR </td><td>SYST_CALIB </td><td>SysTick Calibaration Value Register </td></tr>
<tr>
<th colspan="4">Data Watchpoint and Trace (DWT) Register Access </th></tr>
<tr>
<td>DWT-&gt;CTRL </td><td>DWT_CTRL </td><td>- </td><td>Control Register </td></tr>
<tr>
<td>DWT-&gt;CYCCNT </td><td>DWT_CYCCNT </td><td>- </td><td>Cycle Count Register </td></tr>
<tr>
<td>DWT-&gt;CPICNT </td><td>DWT_CPICNT </td><td>- </td><td>CPI Count Register </td></tr>
<tr>
<td>DWT-&gt;EXCCNT </td><td>DWT_EXCCNT </td><td>- </td><td>Exception Overhead Count Register </td></tr>
<tr>
<td>DWT-&gt;SLEEPCNT </td><td>DWT_SLEEPCNT </td><td>- </td><td>Sleep Count Register </td></tr>
<tr>
<td>DWT-&gt;LSUCNT </td><td>DWT_LSUCNT </td><td>- </td><td>LSU Count Register </td></tr>
<tr>
<td>DWT-&gt;FOLDCNT </td><td>DWT_FOLDCNT </td><td>- </td><td>Folded-instruction Count Register </td></tr>
<tr>
<td>DWT-&gt;PCSR </td><td>DWT_PCSR </td><td>- </td><td>Program Counter Sample Register </td></tr>
<tr>
<td>DWT-&gt;COMP0..3 </td><td>DWT_COMP0..3 </td><td>- </td><td>Comparator Register 0..3 </td></tr>
<tr>
<td>DWT-&gt;MASK0..3 </td><td>DWT_MASK0..3 </td><td>- </td><td>Mask Register 0..3 </td></tr>
<tr>
<td>DWT-&gt;FUNCTION0..3 </td><td>DWT_FUNCTION0..3 </td><td>- </td><td>Function Register 0..3 </td></tr>
<tr>
<th colspan="4">Instrumentation Trace Macrocell (ITM) Register Access </th></tr>
<tr>
<td>ITM-&gt;PORT[] </td><td>ITM_STIM0..31 </td><td>- </td><td>Stimulus Port Registers </td></tr>
<tr>
<td>ITM-&gt;TER </td><td>ITM_TER </td><td>- </td><td>Trace Enable Register </td></tr>
<tr>
<td>ITM-&gt;TPR </td><td>ITM_TPR </td><td>- </td><td>ITM Trace Privilege Register </td></tr>
<tr>
<td>ITM-&gt;TCR </td><td>ITM_TCR </td><td>- </td><td>Trace Control Register </td></tr>
<tr>
<th colspan="4">Trace Port Interface (TPIU) Register Access </th></tr>
<tr>
<td>TPI-&gt;SSPSR </td><td>TPIU_SSPR </td><td>- </td><td>Supported Parallel Port Size Register </td></tr>
<tr>
<td>TPI-&gt;CSPSR </td><td>TPIU_CSPSR </td><td>- </td><td>Current Parallel Port Size Register </td></tr>
<tr>
<td>TPI-&gt;ACPR </td><td>TPIU_ACPR </td><td>- </td><td>Asynchronous Clock Prescaler Register </td></tr>
<tr>
<td>TPI-&gt;SPPR </td><td>TPIU_SPPR </td><td>- </td><td>Selected Pin Protocol Register </td></tr>
<tr>
<td>TPI-&gt;FFSR </td><td>TPIU_FFSR </td><td>- </td><td>Formatter and Flush Status Register </td></tr>
<tr>
<td>TPI-&gt;FFCR </td><td>TPIU_FFCR </td><td>- </td><td>Formatter and Flush Control Register </td></tr>
<tr>
<td>TPI-&gt;FSCR </td><td>TPIU_FSCR </td><td>- </td><td>Formatter Synchronization Counter Register </td></tr>
<tr>
<td>TPI-&gt;TRIGGER </td><td>TRIGGER </td><td>- </td><td>TRIGGER </td></tr>
<tr>
<td>TPI-&gt;FIFO0 </td><td>FIFO data 0 </td><td>- </td><td>Integration ETM Data </td></tr>
<tr>
<td>TPI-&gt;ITATBCTR2 </td><td>ITATBCTR2 </td><td>- </td><td>ITATBCTR2 </td></tr>
<tr>
<td>TPI-&gt;ITATBCTR0 </td><td>ITATBCTR0 </td><td>- </td><td>ITATBCTR0 </td></tr>
<tr>
<td>TPI-&gt;FIFO1 </td><td>FIFO data 1 </td><td>- </td><td>Integration ITM Data </td></tr>
<tr>
<td>TPI-&gt;ITCTRL </td><td>TPIU_ITCTRL </td><td>- </td><td>Integration Mode Control </td></tr>
<tr>
<td>TPI-&gt;CLAIMSET </td><td>CLAIMSET </td><td>- </td><td>Claim tag set </td></tr>
<tr>
<td>TPI-&gt;CLAIMCLR </td><td>CLAIMCLR </td><td>- </td><td>Claim tag clear </td></tr>
<tr>
<td>TPI-&gt;DEVID </td><td>TPIU_DEVID </td><td>- </td><td>TPIU_DEVID </td></tr>
<tr>
<td>TPI-&gt;DEVTYPE </td><td>TPIU_DEVTYPE </td><td>- </td><td>TPIU_DEVTYPE </td></tr>
<tr>
<th colspan="4">Memory Protection Unit (MPU) Register Access </th></tr>
<tr>
<td>MPU-&gt;TYPE </td><td>MPU_TYPE </td><td>- </td><td>MPU Type Register </td></tr>
<tr>
<td>MPU-&gt;CTRL </td><td>MPU_CTRL </td><td>- </td><td>MPU Control Register </td></tr>
<tr>
<td>MPU-&gt;RNR </td><td>MPU_RNR </td><td>- </td><td>MPU Region Number Register </td></tr>
<tr>
<td>MPU-&gt;RBAR </td><td>MPU_RBAR </td><td>- </td><td>MPU Region Base Address Register </td></tr>
<tr>
<td>MPU-&gt;RASR </td><td>MPU_RASR </td><td>- </td><td>MPU Region Attribute and Size Register </td></tr>
<tr>
<td>MPU-&gt;RBAR_A1..3 </td><td>MPU_RBAR_A1..3 </td><td>- </td><td>MPU alias Register </td></tr>
<tr>
<td>MPU-&gt;RSAR_A1..3 </td><td>MPU_RSAR_A1..3 </td><td>- </td><td>MPU alias Register </td></tr>
<tr>
<th colspan="4">Floating Point Unit (FPU) Register Access [only Cortex-M4 and Cortex-M7 both with FPU] </th></tr>
<tr>
<td>FPU-&gt;FPCCR </td><td>FPCCR </td><td>- </td><td>FP Context Control Register </td></tr>
<tr>
<td>FPU-&gt;FPCAR </td><td>FPCAR </td><td>- </td><td>FP Context Address Register </td></tr>
<tr>
<td>FPU-&gt;FPDSCR </td><td>FPDSCR </td><td>- </td><td>FP Default Status Control Register </td></tr>
<tr>
<td>FPU-&gt;MVFR0..1 </td><td>MVFR0..1 </td><td>- </td><td>Media and VFP Feature Registers </td></tr>
</table>
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