DWT

How to Enable DWT for Counting in STM32 Based on Arm®v7-M Architecture

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How to Enable DWT for Counting in STM32 Based on Arm®v7-M Architecture

Keywords: DWT, DEMCR Table of Contents 1. Introduction 2. Research 3. Enabling DWT for Counting 4. Conclusion 01 Introduction When using the STM32H7, the customer wants to utilize DWT counting to measure code execution time and evaluate execution efficiency. The customer found that after power cycling or resetting, they could not enable DWT for counting. … Read more

Unexpected Discovery: Cortex-M Core with 64-bit Timestamp

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Unexpected Discovery: Cortex-M Core with 64-bit Timestamp

Tencent Video: Bilibili Video: Introduction: According to the Debug section of the parameter manual, those in the System ROM Table with Timestamp generator are supported, while those without are not supported. The current tested series H743/H750, etc. come with it. Similar to the DWT clock counter, it can be used for debugging as well as … Read more