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BJian12's avatar
BJian12
Icon for New Contributor rankNew Contributor
6 years ago

A10 加载问题

主芯片是A10 FPGA，配置芯片为MAX10，和一片MT28EW01GABA1LPC并口flash进行FPP x16加载，不过在加载过程的测试发现，DCLK的波形有很大一部分时间都是一个占空比不是50%的频率为25Mhz的方波，等到配置的结尾阶段时钟会变成一小会100Mhz，请问会这样吗？
JohnT_Altera's avatar
JohnT_Altera
Icon for Regular Contributor rankRegular Contributor
6 years ago

Hi,

The DCLK will be around 100Mhz during configuration and stay at 25Mhz when it is idle. Do you face any issue during configuration?