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Hi
I am going to make tc397 enter standby mode by VEXT ramp down.
How does the TLF35584 SPI standby command cooperate with TriCore standby mode?
Do I need to make sure that the TriCore enters standby mode before I issue the PMIC standby command?
When I monitor the SCU_SCR status register, I always find that the system is not the standby mode, how to make sure that the TriCore enters the standby mode?
Does it relate to the interrupts occurred when entering standby? How to clear the interrupts?
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Please refer to AP32537 TC3xx Standby Mode - STBY entry: VEXT supply ramp-down STBY exit : TLF35584 WAK pin by SCR and this code.
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HI dw
When I debug this issue,I find that the tricore is hard to enter standby due to the irq pending, which I can check with SRC registers.
How to make sure all the pending irq is cleared?
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For IQR, please check what source and if you want to clear the flag, please use the according interrupt routine.