pfu

Prefetch Unit (PFU) behavior, buffer depth, and interaction with pipeline

Hardware Cortex-M Prefetching & ART Accelerator: How It Works

Technical guide to instruction and data prefetching on ARM Cortex-M and STM32 ART accelerator. Explains PFU, caches, FLASH_ACR bits, performance, and determinism.

#prefetch
#cortex-m
#stm32
#art-accelerator
#pfu

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01/11/2026, 10:33 AM