forked from M-Labs/artiq-zynq
SMAFreqMulti: set mmcm bw to HIGH for lower jitter
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@ -203,7 +203,7 @@ class SMAFrequencyMultiplier(Module, AutoCSR):
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# MMCME2 is capable to accept 10MHz input while PLLE2 only support down to 19MHz input (DS191)
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# MMCME2 is capable to accept 10MHz input while PLLE2 only support down to 19MHz input (DS191)
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# The MMCME2 can be reconfiged during runtime using the Dynamic Reconfiguration Ports
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# The MMCME2 can be reconfiged during runtime using the Dynamic Reconfiguration Ports
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Instance("MMCME2_ADV",
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Instance("MMCME2_ADV",
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p_BANDWIDTH="LOW", # lower jitter
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p_BANDWIDTH="HIGH", # lower output jitter (see https://support.xilinx.com/s/question/0D52E00006iHqRqSAK)
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o_LOCKED=self.mmcm_locked.status,
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o_LOCKED=self.mmcm_locked.status,
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i_RST=self.mmcm_reset.storage,
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i_RST=self.mmcm_reset.storage,
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