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AM3352 USB缺少ACK响应

Other Parts Discussed in Thread: AM3352

本设备基于Linux SDK 6.0.0.0开发,使用USB1的USB Device模式

经过USB分析仪看到,主机发送同样的Request时,其他设备可以正常的给出ACK响应

而AM3352的USB端口却没有给出ACK响应,导致主机枚举失败

上图是AM3352的USB 抓包,下图是其他CPU的USB 抓包