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MSP430FR5969运行TPS23880的示例代码进到__enable_interrupt()出不来

Other Parts Discussed in Thread: TPS23880, MSP430FR5969

大家好,

        刚接触MSP430。方案是MSP430FR5969通过I2C链接TPS23880,下载的tps23880的代码TPS23880 PoE MSP430 Reference Code for Basic Applications (Rev. C)  ,导入到CCS9.2编译,然后通过MSP-FET430UIF仿真器下载到器件,debug发现运行到88行的__enable_interrupt()之后就跳转到__TI_ISR_TRAP里边一直不出来,请问是什么情况。

main_auto.c