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CDCE52005上电后就能检测到PLL_LOCK为高电平

Other Parts Discussed in Thread: CDCE62005

上电后就能检测到PLL_LOCK为高电平,用430单片机写寄存器,用示波器可以看到时序是正确的,但是写不进去,也读不出来数据,这是怎么回事?原理图是参考TI 的C6678evm设计的