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大家好。我正在编写PIC18F4685,但在与PICtiT2进行连接的那一刻,显示了“没有检测到设备”的信息。我已经测试了3个不同的图片相同的参考,问题仍然存在。我也做了故障排除测试,一切都井然有序。我的示意图如下:I也改变了电容器,最大到10uF,没有任何成功。
以上来自于百度翻译 以下为原文 Hi everyone. I am programming a PIC18F4685, but at the moment of making the connection with the pickit2 this shows the message: "No Device Detected". I have tested with 3 different PICs of the same reference and the problem persists. I also did the Troubleshoot Test and everything is in order. My schematic is as follows: http://i65.tinypic.com/30c0k2c.jpg I have also changed the capacitors up to a maximum of 10uf without getting any success. |
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6个回答
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离开电容器。皮特3指南说电阻器是的。电容器号是“裸”编程电路,建议是3。我看你有皮卡2,所以它可以工作,或者它可以煮你的皮卡2。
以上来自于百度翻译 以下为原文 Leave the capacitor out. PICKit 3 guide says resistors yes. Capacitors no. That's for 'bare' programming circuit. That advice is for PICKit 3. I see you have PICKit 2. So it may work or it may cook your PICKit 2. |
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我现在看不到你的第一个帖子中的链接。我记得它显示了一些连接两个引脚的快捷方式。你能确认Vdd连接到Pin -11和Pin—32,VSS连接到Pin -12和Pin—31吗?
以上来自于百度翻译 以下为原文 I can't see the schematic via the link in your first post now. I remember it showed some shorthand for connecting power to two pins. Can you confirm that Vdd is connected to BOTH pin-11 and pin-32 and that Vss is connected to BOTH pin-12 and pin-31? |
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我可以看到它。它显示的VDD引脚为“11/32”。你能确认这意味着你已经连接到两个引脚VDD?
以上来自于百度翻译 以下为原文 I can see it there. It shows the VDD pin as "11/32". Can you confirm that means you have connected VDD to both those pins? |
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http://WW1.Microchip .com /下载/En/DeiceOC/4162B.PDF.这是一个挑剔的3用户指南。为皮卡2找到同样的东西。它应该有PigIt 2的接线图。这里是你的设备的数据表。http://W1.MicroChIP.COM/DeLoSs/En/DeViceDC/A/7761B.PDFFAT匹配PIN。
以上来自于百度翻译 以下为原文 http://ww1.microchip.com/downloads/en/DeviceDoc/41628B.pdf That's a PICKit 3 User Guide. Find the same thing for PICKit 2. It should have wiring diagram for PICKit 2. Here's datasheet for your device. http://ww1.microchip.com/downloads/en/DeviceDoc/39761b.pdf Just match up the pins. |
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