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[/] [eco32/] [trunk/] [fpga/] [mc/] [src/] [ser/] [ser.v] - Diff between revs 27 and 117
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Rev 117 |
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//
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// ser.v -- serial line interface
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//
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module ser(clk, reset,
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module ser(clk, reset,
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en, wr, addr,
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en, wr, addr,
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data_in, data_out,
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data_in, data_out,
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wt, irq_r, irq_t,
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wt, irq_r, irq_t,
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rxd, txd);
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rxd, txd);
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// internal interface
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input clk;
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input clk;
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input reset;
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input reset;
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input en;
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input en;
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input wr;
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input wr;
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input [3:2] addr;
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input [3:2] addr;
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input [7:0] data_in;
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input [7:0] data_in;
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output reg [7:0] data_out;
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output reg [7:0] data_out;
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output wt;
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output wt;
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output irq_r;
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output irq_r;
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output irq_t;
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output irq_t;
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// external interface
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input rxd;
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input rxd;
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output txd;
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output txd;
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wire wr_rcv_ctrl;
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wire wr_rcv_ctrl;
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wire rd_rcv_data;
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wire rd_rcv_data;
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