This anomaly applies to IC Rev. Engineering C, build codes CKAA-CA0, QIAA-CA0.
The CPU is unexpectedly awoken from System ON Idle.
The FPU has been used.
The CPU is awoken from System ON Idle.
#if (__FPU_USED == 1)
_set_FPSCR(_get_FPSCR() & ~(0x0000009F));
(void) __get_FPSCR();
NVIC_ClearPendingIRQ(FPU_IRQn);
#endif
__WFE();