摸起来有点烫手,用的30Mhz,有人用这块片子吗?
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有用2812做光伏并网逆变器,工作频率150M,所有外设时钟均使能,微热吧,没有你说的那么夸张,就是浮点的28335也没说烫手的,所以无需加散热器,估计是你的片子有问题了,某部分已经损毁了,还有不要经常裸手摸片子,不然烧了你都不知道咋回事