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如何关闭wic mask；
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如何关闭wic mask；
xb600
over 6 years ago
默认状态下，wic_mask是打开的，外部的中断无法起作用，
所以需要配置打开，这个是m3内部的处理，查了很多资料都不知道方法，请问有需要知道的么？
Top replies
Xuechun.Gu
over 6 years ago
+1
WICMASK (WIC input): Mask from core. NMI, Interrupt and RXEV sensitivity mask used for WIC wake-up detection.
Xuechun.Gu
over 6 years ago
in reply to
xb600
+1
suggested
xb, WIC_MASK是HW连接，是从core那边的NMI，interrupt，mon, RXEV接过来的，所以不是寄存器bit直接控制，如果core那边interrupt是enable的（NVIC中），那么对应的WIC_MASK就是1的。 所以你可以去使能对应的irq_enable来达到你的目的（然而并不能说WIC_MASK就是这些寄存器直接配置，因为还需要这个IRQ拥有足够的priority...
Xuechun.Gu
over 6 years ago
in reply to
xb600
+1
建议看一下iim里面Power down timing sequence，WIC_MASK是在WIC_LOAD为1时latch的，而不是deep sleep之后
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xb600
over 6 years ago
in reply to
Xuechun.Gu
专家啊，非常感谢，成功解决问题！！！！
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xb600
over 6 years ago
in reply to
Xuechun.Gu
专家啊，非常感谢，成功解决问题！！！！
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