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哪位大佬有c6657的upp接口的配置例程，能收发数据的，谢谢！
你好，请问upp的时钟怎么配置的？只需要配置clkdiv吗？用户手册里的transmit clock不需要配置吗？
你好，感谢之前的帮助，现在还有个问题，upp配置DLB模式，A发B收，
//Tx *(int *)UPID0 = (unsigned int )xmtBuffer; *(int *)UPID1 = 0x00020020; *(int *)UPID2 = 0x00000020; //Rc *(int *)UPQD0 = (unsigned int )rcvBuffer; *(int *)UPQD1 = 0x00020020; *(int *)UPQD2 = 0x00000020;
查看发送数据的地址，是有数据，为什么发送不出去，状态寄存器UPIS1里一直显示发送字节数为0
