Dff16e
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Nextexams/m2014_q4a
Create 16 D flip-flops. It's sometimes useful to only modify parts of a group of flip-flops. The byte-enable inputs control whether each byte of the 16 registers should be written to on that cycle. byteena[1] controls the upper byte d[15:8], while byteena[0] controls the lower byte d[7:0].
resetn is a synchronous, active-low reset.
All DFFs should be triggered by the positive edge of clk.
Module Declaration
module top_module (
input clk,
input resetn,
input [1:0] byteena,
input [15:0] d,
output [15:0] q
);
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Nextexams/m2014_q4a