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--
-- EMBEDDED_KCPSM3.VHD
--
-- Ken Chapman - Xilinx Ltd - 3rd June 2003
--
-- This file instantiates the KCPSM3 processor macro and connects the
-- program ROM.
--
-- NOTE: The name of the program ROM will probably need to be changed to
-- reflect the name of the program (PSM) file applied to the assembler.
--
------------------------------------------------------------------------------------
--
-- Standard IEEE libraries
--
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
--
------------------------------------------------------------------------------------
--
--
entity embedded_kcpsm3 is
Port ( port_id : out std_logic_vector(7 downto 0);
write_strobe : out std_logic;
read_strobe : out std_logic;
out_port : out std_logic_vector(7 downto 0);
in_port : in std_logic_vector(7 downto 0);
interrupt : in std_logic;
interrupt_ack : out std_logic;
reset : in std_logic;
clk : in std_logic);
end embedded_kcpsm3;
--
------------------------------------------------------------------------------------
--
-- Start of test achitecture
--
architecture connectivity of embedded_kcpsm3 is
--
------------------------------------------------------------------------------------
--
-- declaration of KCPSM3
--
component kcpsm3
Port ( address : out std_logic_vector(9 downto 0);
instruction : in std_logic_vector(17 downto 0);
port_id : out std_logic_vector(7 downto 0);
write_strobe : out std_logic;
out_port : out std_logic_vector(7 downto 0);
read_strobe : out std_logic;
in_port : in std_logic_vector(7 downto 0);
interrupt : in std_logic;
interrupt_ack : out std_logic;
reset : in std_logic;
clk : in std_logic);
end component;
--
-- declaration of program ROM
--
component prog_rom
Port ( address : in std_logic_vector(9 downto 0);
instruction : out std_logic_vector(17 downto 0);
clk : in std_logic);
end component;
--
------------------------------------------------------------------------------------
--
-- Signals used to connect KCPSM3 to program ROM
--
signal address : std_logic_vector(9 downto 0);
signal instruction : std_logic_vector(17 downto 0);
--
------------------------------------------------------------------------------------
--
-- Start of test circuit description
--
begin
processor: kcpsm3
port map( address => address,
instruction => instruction,
port_id => port_id,
write_strobe => write_strobe,
out_port => out_port,
read_strobe => read_strobe,
in_port => in_port,
interrupt => interrupt,
interrupt_ack => interrupt_ack,
reset => reset,
clk => clk);
program: prog_rom
port map( address => address,
instruction => instruction,
clk => clk);
end connectivity;
------------------------------------------------------------------------------------
--
-- END OF FILE EMBEDDED_KCPSM3.VHD
--
------------------------------------------------------------------------------------