Tag
MPU
Technical notes tagged MPU.
2026-06-23
STM32 MPU Configuration:Protecting Memory Regions in Production Firmware
STM32 MPU (Memory Protection Unit) configuration at register and CMSIS level: set up region attributes, subregions, and privilege separation for production firmware on Cortex-M3/M4/M7/M33.
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2026-06-14
STM32H7 D-Cache Coherency:The DMA Pitfall Every Embedded Engineer Must Understand
Master STM32H7 data cache maintenance for DMA buffers: SCB_CleanDCache, SCB_InvalidateDCache, SCB_CleanInvalidateDCache, MPU memory type configuration, and a practical template to avoid stale-data corruption on Cortex-M7 peripherals.
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