Other Parts Discussed in Thread: TUSB2551
想问下TUSB2551A连接到电脑上提示:
未知USB设备(设备描述符请求失败)
具体是什么原因,管脚电压点过都符合我的设想
具体设定:
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您好,TUSB2551是一款比较老的器件了。 我看它是遵循USB2.0协议的。
描述符显示请求失败,您电脑是什么操作系统的?