TI中文支持网手册中说可以将GPIO配置成CPU1的外部中断，那么能配置成CM侧的外部中断吗？如何实现？
Configuring external interrupts is a two-step process. First, the interrupts themselves must be enabled
and their polarity must be configured via the XINTnCR registers. Second, the XINT1-5 GPIO pins must
be set by selecting the sources for Input X-BAR signals 4, 5, 6, 13, and 14, respectively. For more
information on the Input X-BAR architecture, see the Crossbar(XBAR) chapter of this manual.
Nancy Wang：
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