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TMS320F28388D: 关于31.2.5 Interrupts and Interrupt Mapping章节的疑问

Part Number: TMS320F28388D

问题1. 在章节第一段描述中提到了算上PDI IRQ,共有4个中断线。在第二段文字描述中提到的4个中断线,没有PDI IRQ,请问PDI IRQ是对应Table 31-8的EtherCAT IRQ吗?

问题2. 没有看懂第三段文字讲的什么:

x 出现错误。请重试或与管理员联系。