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xiangpu2001 · 2025-03-06

Software Environment:Windows platformConfigured using STM32CubeMXCompiled with STM32CubeIDEHardware Platform:NUCLEO-U545RE-QMCU: STM32U545 (Cortex-M33, ARMv8-M)Test Objective:We initially noticed slow SPI performance (CS low to CS high) and decided t...

xiangpu2001 · 2025-03-06

Thanks TDK,> Since there are only 3 assembly instructions for each SET / REST in the above code, we expected the execution time to be about 6 instruction cycles.The concept of 1 cycle per instruction (or even a fixed X cycles per instruction) is not...

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STM32U545 Execution Speed Slower Than Expected

Re: STM32U545 Execution Speed Slower Than Expected