求教
我使用新唐公司赠送的牛桥插入后STC-ISP能认出,但是接入单片机识别时找不到芯片,不知是何原因请指教。
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求教,无法下载程序
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另外STC15W204下载时是否必须使用5V电压？
牛桥的电压是3.3V的。
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接通12V的电源下载 试试
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请赐教如何加12V？谢谢
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12V电源不接。先打开下载软件，所有设置好后，点击下载，立即牛角接12V啊，就可以下载了。这种先点击下载按钮，再上电的方式成为冷启动下载。
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最近这个stc下载的问题蛮多啊
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您所说的是接板的12V总电源吗?
如果是的话,我已经这样做了但是还不行。
我已经上网买CH340下载器了，等收到下载器再调试。
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在下载时，接线方式很重要。你要接上RX,TX,GND。这样子再试一下。应该可以解决掉很多问题
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stc要冷启动，先点检测MCU或下载再上电，要是不行，就多试几次
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几种方法都是过了,全不行，现在LED闪耀正常考虑MCU本身应该没问题，所以打算放弃一切努力，等待邮购的下载器到来再试。
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