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Commit 84b72574 authored by Eric Kooistra's avatar Eric Kooistra
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tb_tech_jesd204_v2.vhd was used.

parent 158ac6d2
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1 merge request!381rx_clk -> dp_clk FIFO in JESD204b component.
......@@ -519,12 +519,12 @@ begin
-- there can occur once a one dp_clk cycle disturbance in the toggling, in case
-- rxlink_clk and dp_clk almost coincide.
--
-- Simulation with tb_tech_jesd204b.vhd reveals that the double data word is always
-- read high part first and low part next, independent of the phase of dp_index.
-- This is because reading ab, cd, ef, ... is equivalent to reading bc, de, fg, ...
-- However the phase of dp_ready with respect to dp_index is important for reading
-- the sync, because if dp_ready has the wrong phase, then the sync is missed at
-- the FIFO output.
-- Simulation with tb_tech_jesd204b_v2.vhd reveals that the double data word is
-- always read high part first and low part next, independent of the phase of
-- dp_index. This is because reading ab, cd, ef, ... is equivalent to reading
-- bc, de, fg, ... However the phase of dp_ready with respect to dp_index is
-- important for reading the sync, because if dp_ready has the wrong phase,
-- then the sync is missed at the FIFO output.
-- . If dp_index = '0' or '1' initialy, then in both cases use dp_ready <= not
-- dp_index, and then in both cases the latency dp_sosi.sync and data = 1000 is
-- then 340 ns
......
......@@ -519,12 +519,12 @@ begin
-- there can occur once a one dp_clk cycle disturbance in the toggling, in case
-- rxlink_clk and dp_clk almost coincide.
--
-- Simulation with tb_tech_jesd204b.vhd reveals that the double data word is always
-- read high part first and low part next, independent of the phase of dp_index.
-- This is because reading ab, cd, ef, ... is equivalent to reading bc, de, fg, ...
-- However the phase of dp_ready with respect to dp_index is important for reading
-- the sync, because if dp_ready has the wrong phase, then the sync is missed at
-- the FIFO output.
-- Simulation with tb_tech_jesd204b_v2.vhd reveals that the double data word is
-- always read high part first and low part next, independent of the phase of
-- dp_index. This is because reading ab, cd, ef, ... is equivalent to reading
-- bc, de, fg, ... However the phase of dp_ready with respect to dp_index is
-- important for reading the sync, because if dp_ready has the wrong phase,
-- then the sync is missed at the FIFO output.
-- . If dp_index = '0' or '1' initialy, then in both cases use dp_ready <= not
-- dp_index, and then in both cases the latency dp_sosi.sync and data = 1000 is
-- then 340 ns
......
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