serial_to_parallel

//date :2013/6/11
//designer :pengxiaoen
//function :serial_to_parallel

module serial_to_parallel (
                           clk_sp,reset_sp,
                                    status_sp, // 1:out of the  data.   0 : waiting
                                    serial_in,
                                    parallel_out,
                           );
                                    
input clk_sp,reset_sp;
input status_sp;
input serial_in;
output [7:0] parallel_out;

reg [7:0] parallel_reg;
always @ (posedge clk_sp or negedge reset_sp)
if (!reset_sp)
  parallel_reg <= 8'd0;
else 
  parallel_reg <= {parallel_reg ,serial_in};
      
assign parallel_out = (status_sp) ? parallel_reg : 8'd0;
      
endmodule