代码搜索结果
找到约 10,000 项符合
VHDL 的代码
100vhdl+
--
-- SRC-MODULE : GCD_DISP
-- NAME : gcd.vhdl
-- VERSION : 1.0
--
-- PURPOSE : Architecture of GCD benchmark
--
-- LAST UPDATE: Wed May 19 13:03:48 MET DST 1993
--
--**********
100vhdl+
--本描述是将前述各部件组装成一个完整的系统
library ieee;
use ieee.std_logic_1164.all;
use work.all;
entity i486_bus_sys is
end i486_bus_sys;
architecture bus_sys_bhv of i486_bus_sys is
component i486_bus
p
100vhdl+
library ieee;
use ieee.std_logic_1164.all;
entity memory_control is
port (
clk,w_rb,ads_b,cs1 : in bit;
rdy_b,we_b,cs_b : out bit := '1');
end memory_control;
archit
100vhdl+
library ieee;
use ieee.std_logic_1164.all;
use work.bit_pack.all;
use std.textio.all;
entity tester is
port ( address,w_data:out bit_vector(31 downto 0);
r_data:in bit_vector(31 dow
100vhdl+
library ieee;
use ieee.std_logic_1164.all;
--library bitlib;
use work.bit_pack.all;
entity static_ram is
generic ( --下面给出的是RAM6116的时间特性值
--在本系统的组装中将被置为43258A-25CMOS RAM
100vhdl+
library ieee;
use ieee.std_logic_1164.all;
entity i486_bus is
generic ( --下面的时间特性基于I486DX 50
constant t6_max : time := 12 ns;
constant t10_max : time := 1
100vhdl+
package bit_pack is
--功能是把bit_vector转换成整型
function vec2int(vec1:bit_vector)
return integer;
--功能是把integer转换为bit_vector类型
function int2vec(int1,Nbits:integer)
return bit_vector
100vhdl+
--------------------------------------------------------------------------------
--
-- AMD 2910 Benchmark (Functional blocks) (Algorithmic Behaviour of Funct blocks)
--
-- Source: AMD data book