Monday, 2022-08-29

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RowanG[m]I'm looking at the DSP on the ECP508:39
RowanG[m]using the lattice document: https://www.latticesemi.com/-/media/LatticeSemi/Documents/ApplicationNotes/EH/FPGA-TN-02205-1-2-ECP5-and-ECP5-5G-sysDSP-Usage-Guide.ashx?document_id=5046908:39
RowanG[m]and I don't understand why there are 4 clock inputs08:39
RowanG[m]Does anyone know how that works? 08:39
RowanG[m]The only thing I can imagine is allowing a single DSP to be used in 4 domains at the same time depending on clock enable. But that's not someting I have ever come across08:41
mwk_the DSP has 4 registers: A, B, pipeline, output10:44
mwk_each of them can have independent CLK/CE/RST10:44
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