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应该使用USB连接，具体User's guide 里有描述，www.ti.com/.../tidu402.pdf
1.Connect the USB cable to the ISO PiccoloB control card. Short jumpers JP2, JP4, JP5, and JP6, and
open jumpers JP3 and JP1.
2. Insert the 15-V adapter to J1, then switch the S1 to power on the auxiliary power.
