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TI技术帮忙看看,我的控制卡是不是坏了,程序始终烧不进去

Other Parts Discussed in Thread: F28M36P63C2

 

控制卡型号:F28M36P63C2

现象:

1. 插上docking station和control card上的USB后,CCS无法烧录程序。报错如下:

2. 检测到docking station的5V和3.3V引脚上电压都是4.7V。

3. 插上docking station的USB后稳压芯片U1部分发热。

4. 拔掉docking station的USB,如果用control card上的micro-USB供电,dockin station上的LED不亮,如图: