那个是正极还是负极 VCC和GND哪个是正极哪个是负极？
\u6b63\u6781\u548c\u8d1f\u6781\u662f\u4ec0\u4e48\uff1f\u7535\u6c60\u7684\u8d1f\u6781\u548c\u6b63\u6781\u662f\u600e\u4e48\u6765\u7684\uff0c\u770b\u4e86\u4e4b\u540e\u539f\u6765\u8fd9\u4e48\u7b80\u5355
VCC\u4ee3\u8868\u6b63\u6781\uff0cGND\u4ee3\u8868\u8d1f\u6781\u3002
VCC\uff1aC=circuit \u8868\u793a\u7535\u8def\u7684\u610f\u601d, \u5373\u63a5\u5165\u7535\u8def\u7684\u7535\u538b\uff0c \u5728\u666e\u901a\u7684\u7535\u5b50\u7535\u8def\u4e2d\uff0c\u4e00\u822cVcc>Vdd\uff0c\u5728\u7535\u5b50\u7535\u8def\u4e2d\uff0cVCC\u662f\u7535\u8def\u7684\u4f9b\u7535\u7535\u538b\u3002\u5728\u7535\u8def\u4e2d\u4e5f\u662f\u6b63\u6781\u3002
GND\u662f\u7535\u7ebf\u63a5\u5730\u7aef\u7684\u7b80\u5199\u3002\u4ee3\u8868\u5730\u7ebf\u62160\u7ebf\u3002\u5bf9\u4e8e\u7535\u6e90\u6765\u8bf4\uff0c\u5b83\u5c31\u662f\u4e00\u4e2a\u7535\u6e90\u7684\u8d1f\u6781\u3002
\u6269\u5c55\u8d44\u6599CadenceVirtual Component Co-design \uff0c\u7b80\u79f0VCC\uff0c\u5b83\u662f\u7b2c\u4e00\u4e2a\u4e3aIP\u590d\u7528\u6240\u8bbe\u8ba1\u7684\u5de5\u4e1a\u7cfb\u7edf\u7ea7HW/SW co-design\u5f00\u53d1\u5e73\u53f0\u73af\u5883\u3002
Cadence VCC\u4f7f\u8bbe\u8ba1\u5e08\u5728\u65e9\u671f\u8bbe\u8ba1\u7b2c\u4e00\u4ee3\u4ea7\u54c1\u548c\u76f8\u5173\u4ea7\u54c1\u65f6,\u5c31\u53ef\u4ee5\u786e\u8ba4 HW/SW\u5212\u5206\u3002
\u865a\u4fe1\u9053\u8fde\u63a5(VCC)\uff0c\u6709\u65f6\u53eb\u505a\u865a\u7535\u8def\u8fde\u63a5\uff0c\u662f\u4e00\u4e2a\u903b\u8f91\u7535\u8def\uff0c\u7531\u865a\u4fe1\u9053\u94fe\u63a5(VCLs)\u7ec4\u6210\uff0c\u5176\u643a\u5e26\u5728\u4e00\u4e2aATM\u7f51\u7edc\u4e2d\u4e24\u4e2a\u7ec8\u7aef\u7aef\u70b9\u7684\u6570\u636e\u3002
\u53c2\u8003\u8d44\u6599GND-\u767e\u5ea6\u767e\u79d1
一般表示＋为正极，－为负极
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