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求比特位边缘检测信号快慢原理,dpv信号为什么能代表j信号的原理 #16
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您好,我也是最近刚上手这个项目,也产生了同样的疑问,dpv、dnv的具体含义是什么以及检测时钟过快过慢的原理。 |
我来解释一下这个问题 假设一开始是完全对齐的,那我们就有dpl[4] == dpl[3] == dpl[2] == dpl[1] == dpl[0]
检测本地时钟慢的逻辑同理 |
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您好,已star and follow,
在usbfs_bitlevel.v文件中,有如下代码段:
想请问您,在usb host中,我查阅的频率为48Mhz,而在本仓库的代码需要提供60Mhz,如果进行5分频,就是12Mhz,和usb host的频率不同步,希望您能解答一下我的疑问。
还有一个疑问就是dpv和dnv两个信号的代表的意义是什么,按照我的理解是代表在三种不同时钟下的j信号,但我不太明白其中的原理。
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