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TM4C1294KCPDT: TM4C1294 SPI UDMA 传输问题

Xu Allen
Intellectual 805 points
Part Number: TM4C1294KCPDT

你好，

 在大量使用TM4C1294芯片时遇到一个问题：将TM4C1294 SPI配制成主机模式，启动 uDMA 传输模式，使能中断后，程序就会跑入中断，但退不出来了。请问是什么原因导致的呢？