DocID026482 Rev 1

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AN4515

Application note use case

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sending data to the RAM while the Flash memory is stopped and the CPU goes back to

Sleep mode (SLEEP5 state).

9.

Once the DMA data transfer is complete, an interrupt wakes up the CPU to handle

these data before it goes back to Sleep mode ((SLEEP6 state)).

10. While the CPU is in Sleep mode (SLEEP6 state) and the Flash memory is stopped, the

DMA sends a complete log to the USART2 including MEMS direction and the

timestamp (see Figure 15).

Figure 15. Log example when configuration 4 is selected