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ADS58C48的采样时钟不能由FPGA提供。
FPGA的时钟的jitter太差了。无法满足58C48的要求。
ADS58C48给FPGA的随路时钟是有输入时钟,然后寄存器正确配置后就自动输出的。
输出的时序参加figure4.
注意,热焊盘一定一定要接地。