?? io_buffers.v
字號(hào):
/* -------------------------------------------------------------
Synthesis & Fitter tool = "QuartusII5.0WE"
FileName = IO_Buffers.v
M.YOSHIDA 15.MAY.2005 REV 1.0
------------------------------------------------------------- */
// Module Declaration
module IO_Buffers ( clk, // Synchronous clock input
rstn, // Negative reset input
enable,
in, //
q // Data output
);
// port declaration
input clk, rstn;
input enable;
input [35:0] in;
output [35:0] q;
// reg & wire declaration
reg [35:0] q;
reg enb;
/* ------------ output-enable declaration ------------ */
always @( posedge clk or negedge rstn ) begin
if( !rstn ) begin
// reset state
enb <= 1'b0;
end
else begin
enb <= enable;
end
end
/* ------------ output declaration ------------ */
always @( posedge clk or negedge rstn ) begin
if( !rstn ) begin
// reset state
q <= 36'hz_zzzz_zzzz;
end
else begin
if( enb ) begin
q <= in;
end
else begin
q <= 36'hz_zzzz_zzzz;
end
end
end
endmodule
?? 快捷鍵說(shuō)明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -