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请问tms570的功耗如何降到最低?

Other Parts Discussed in Thread: TMS570LS1224

版主您好

我在用tms570ls1224,迫切需要降低整体功耗。mcu基本只有最小系统,有几个按钮输入。以下是我的降频措施:

1)已经把主频降到16Mhz;

2)各种外设时钟都关掉;

内核供电的1.2V电流已经能降到20mA左右,但3.3V电流一直在50-60mA左右。

请教版主还有什么办法,能降低3.3V的功耗,系统任务要求降到10mA以内。

感谢了!