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[Discuss-gnuradio] Strobe signals

From: Sebastiaan Heunis
Subject: [Discuss-gnuradio] Strobe signals
Date: Mon, 11 Aug 2008 01:53:56 +0200


I read a lot of the USRP's Verilog lately and sort of figured out what
happens on the FPGA.  master_control.v generates all the control
signals as far as I understand.  I would just like to know how the
strobe signals work.

Looking at master_control.v it seems as if rx_sample_strobe is always
1.  strobe_decim is a clock signal (if decim=8, strobe_decim is going
to be an 8MHz clock)?  Is this correct?  hb_strobe is going to be a
4MHz clock then and is used to tell the rx buffer how often we have
samples available for the USB link?

Thank you.


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