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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？
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https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1318187/tm4c1294kcpdt-spi-udma-transfer-issues
