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PROCESSOR-SDK-AM437X: SPI write to NOR FLASH on AM437x starter kit consumes upto 60% cpu load


Hi Team,

We were trying to Validate SPI connected to NOR flash on AM437x-Starter kit on Linux BSP.

We see the CPU load increase by 60%. Could you please help me understand the reason for such a spike. And also, any sample application from the TI validation to verify the SPI data transfer rates.

Please find the schematic and the dts snippets: