今天调试我的tms2833X。发现GPIO48-GPIO55没输出,GPBMUX2和GPBDIR相应位设置都对。翻看了TMS320x2833x, 2823x System Control and Interrupts Reference Guide.pdf才发现tms320f2833X的GPBDAT和GPCDAT的用法和GPADAT不一样。不同之处如图中红圈所示:
这是怎么回事?
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今天调试我的tms2833X。发现GPIO48-GPIO55没输出,GPBMUX2和GPBDIR相应位设置都对。翻看了TMS320x2833x, 2823x System Control and Interrupts Reference Guide.pdf才发现tms320f2833X的GPBDAT和GPCDAT的用法和GPADAT不一样。不同之处如图中红圈所示:
这是怎么回事?