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[/] [qaz_libs/] [trunk/] [basal/] [src/] [FIFOs/] [CummingsSNUG2002SJ_FIFO1/] [fifo1.v] - Blame information for rev 34

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1 34 qaztronic
// --------------------------------------------------------------------
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//
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module
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  fifo1
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  #(
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    parameter DSIZE = 8,
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    parameter ASIZE = 4
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  )
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  (
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    output [DSIZE-1:0]  rdata,
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    output              wfull,
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    output              rempty,
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    input [DSIZE-1:0]   wdata,
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    input               winc,
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    input               wclk,
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    input               wrst_n,
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    input               rinc,
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    input               rclk,
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    input               rrst_n
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  );
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  wire [ASIZE-1:0] waddr, raddr;
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  wire [ASIZE:0] wptr, rptr, wq2_rptr, rq2_wptr;
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  sync_r2w sync_r2w (.wq2_rptr(wq2_rptr), .rptr(rptr),
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  .wclk(wclk), .wrst_n(wrst_n));
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  sync_w2r sync_w2r (.rq2_wptr(rq2_wptr), .wptr(wptr),
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  .rclk(rclk), .rrst_n(rrst_n));
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  fifomem #(DSIZE, ASIZE) fifomem
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  (.rdata(rdata), .wdata(wdata),
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  .waddr(waddr), .raddr(raddr),
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  .wclken(winc), .wfull(wfull),
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  .wclk(wclk));
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  rptr_empty #(ASIZE) rptr_empty
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  (.rempty(rempty),
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  .raddr(raddr),
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  .rptr(rptr), .rq2_wptr(rq2_wptr),
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  .rinc(rinc), .rclk(rclk),
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  .rrst_n(rrst_n));
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  wptr_full #(ASIZE) wptr_full
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  (.wfull(wfull), .waddr(waddr),
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  .wptr(wptr), .wq2_rptr(wq2_rptr),
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  .winc(winc), .wclk(wclk),
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  .wrst_n(wrst_n));
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endmodule
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