Subversion Repositories w11

-- $Id: serport_uart_rxtx.vhd 476 2013-01-26 22:23:53Z mueller $

--

-- Copyright 2007-2011 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

--

-- This program is free software; you may redistribute and/or modify it under

-- the terms of the GNU General Public License as published by the Free

-- Software Foundation, either version 2, or at your option any later version.

--

-- This program is distributed in the hope that it will be useful, but

-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY

-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

-- for complete details.

--

------------------------------------------------------------------------------

-- Module Name:    serport_uart_rxtx - syn

-- Description:    serial port UART - transmitter + receiver

--

-- Dependencies:   serport_uart_rx

--                 serport_uart_tx

-- Test bench:     tb/tb_serport_uart_rxtx

-- Target Devices: generic

-- Tool versions:  xst 8.2, 9.1, 9.2, 11.4, 13.1; ghdl 0.18-0.29

-- Revision History:

-- Date         Rev Version  Comment

-- 2007-06-24    60   1.0    Initial version 

------------------------------------------------------------------------------

library ieee;

use ieee.std_logic_1164.all;

use ieee.numeric_std.all;

use work.slvtypes.all;

use work.serportlib.all;

entity serport_uart_rxtx is             -- serial port uart: rx+tx combo

  generic (

    CDWIDTH : positive := 13);          -- clk divider width

  port (

    CLK : in slbit;                     -- clock

    RESET : in slbit;                   -- reset

    CLKDIV : in slv(CDWIDTH-1 downto 0); -- clock divider setting

    RXSD : in slbit;                    -- receive serial data (uart view)

    RXDATA : out slv8;                  -- receiver data out

    RXVAL : out slbit;                  -- receiver data valid

    RXERR : out slbit;                  -- receiver data error (frame error)

    RXACT : out slbit;                  -- receiver active

    TXSD : out slbit;                   -- transmit serial data (uart view)

    TXDATA : in slv8;                   -- transmit data in

    TXENA : in slbit;                   -- transmit data enable

    TXBUSY : out slbit                  -- transmit busy

  );

end serport_uart_rxtx;

architecture syn of serport_uart_rxtx is

begin

  RX : serport_uart_rx

    generic map (

      CDWIDTH => CDWIDTH)

    port map (

      CLK    => CLK,

      RESET  => RESET,

      CLKDIV => CLKDIV,

      RXSD   => RXSD,

      RXDATA => RXDATA,

      RXVAL  => RXVAL,

      RXERR  => RXERR,

      RXACT  => RXACT

    );

  TX : serport_uart_tx

    generic map (

      CDWIDTH => CDWIDTH)

    port map (

      CLK    => CLK,

      RESET  => RESET,

      CLKDIV => CLKDIV,

      TXSD   => TXSD,

      TXDATA => TXDATA,

      TXENA  => TXENA,

      TXBUSY => TXBUSY

    );

end syn;