JTAG 烧录时出错
时间：10-02
整理：3721RD
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错误信息如下：
！Error: JTAG chain problem detected
！Error: TDI connection to the first detected device EP3C(10|5)/EP4CE(10|6) might be shorted to GND
！Error: The TCK and TMS connections to the device before the first detected device EP3C(10|5)/EP4CE(10|6) might have a problem
！Info: Detected 1 device(s)
！Info: Device 1: EP3C(10|5)/EP4CE(10|6)
有没有碰到过这种错误的?
！Error: JTAG chain problem detected
！Error: TDI connection to the first detected device EP3C(10|5)/EP4CE(10|6) might be shorted to GND
！Error: The TCK and TMS connections to the device before the first detected device EP3C(10|5)/EP4CE(10|6) might have a problem
！Info: Detected 1 device(s)
！Info: Device 1: EP3C(10|5)/EP4CE(10|6)
有没有碰到过这种错误的?
你这个应该是JTAG口被击穿了吧
被击穿?是什么意思呢?
检查一下烧写口有没有短接或虚焊。
在烧写前，软件首先会对JTAG口进行测试，如果软件能从JTAG得到正确的反馈才会进行下一步的烧写。