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关于UCD9244无法被Fusion Design Online软件识别的问题.

liang ren
Prodigy 130 points
Other Parts Discussed in Thread: UCD9244, UCD9222, UCD9224EVM-464, UCD3138CC64EVM-030

自己设计的电路板,无论是gnd,data,clk三线还是再加上ctl和alt五线，软件都显示no devices found。后来用开发板试了一下，同样无法识别。请问什么原因？

PS：从板子上跳线出来接到usb-adapter的gpio端，管脚位置参考usb-to-gpio datasheet(6,9,10脚)