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[/] [softavrcore/] [trunk/] [peripherals/] [avr_io_out.v] - Rev 2

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/*****************************************************************************/
/* avr_io_out.v								     */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* (c) 2019-2020; Andras Pal <apal@szofi.net>				     */
/*****************************************************************************/
 
module avr_io_out
 (	input clk,
	input rst,
 
	input io_re,
	input io_we,
	output [7:0] io_do,
	input [7:0] io_di,
 
	output [7:0] port
 );
 
reg [7:0] PORT;
 
assign port[7:0] = PORT[7:0]; 
 
assign io_do = io_re ? PORT : 8'b00000000;
 
always @(posedge clk) begin
 
	if (io_we) begin
		PORT <= io_di;
	end
 
end
 
 
/*****************************************************************************/
/* Debug section starts here */
 
/* end of debug section */
/*****************************************************************************/
 
endmodule
 
/*****************************************************************************/
 

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