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https://opencores.org/ocsvn/socgen/socgen/trunk
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[/] [socgen/] [trunk/] [Projects/] [opencores.org/] [logic/] [ip/] [uart/] [rtl/] [verilog/] [top.body] - Rev 134
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assign txd_break_n = !txd_break ;
always@(posedge clk)
if(reset) rts_pad_out <= 1'b0;
else rts_pad_out <= rts_in;
always@(posedge clk)
if(reset) cts_out <= 1'b0;
else cts_out <= cts_pad_in;
reg [DIV_SIZE-1:0] baud_divide_cnt;
reg baud_divider_out;
always@(posedge clk)
if(reset) baud_divider_out <= 1'b1;
else
if(!baud_clk) baud_divider_out <= 1'b0;
else baud_divider_out <= ( baud_divide_cnt == {DIV_SIZE{1'b0}} );
always@(posedge clk)
if(reset) baud_divide_cnt <= divider_in;
else
if(!baud_clk) baud_divide_cnt <= baud_divide_cnt;
else
if(!(|baud_divide_cnt)) baud_divide_cnt <= divider_in;
else baud_divide_cnt <= baud_divide_cnt - 'b1;
generate
if(DIV == 0)
begin
assign baud_clk_div = baud_clk;
end
else
begin
assign baud_clk_div = baud_divider_out;
end
endgenerate
always@(*) xmit_start = txd_load;
assign fifo_data_out = txd_data_in;
assign txd_buffer_empty = cde_buffer_empty;