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TMS320F280049C: epwm_ex12_monoshot_mode,该例程GPIO0无输出

Part Number: TMS320F280049C
Other Parts Discussed in Thread: C2000WARE

C2000Ware_5_01_00_00\driverlib\f28004x\examples\epwm\epwm_ex12_monoshot_mode,

该例程的功能说明是:使用GPIO2(EPWM2)作为外部触发,触发GPIO0(EPWM1)输出单脉冲。

使用CCS打开该例程工程,编译,调试。然后使用逻辑分析仪抓取GPIO0和GPIO2的输出波形,发现只有GPIO2有波形输出,但GPIO0没有波形输出。如下图所示:

请各位工程师帮忙分析解决该问题,谢谢!