-- VHDL library Declarations
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;--p39 非标准 IEEE 库,有运算符重载
use IEEE.STD_LOGIC_ARITH.ALL;
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-- The Entity Declarations
ENTITY Test IS
PORT
(
-- General Clock
RESET: IN STD_LOGIC;
GCLKP1: IN STD_LOGIC;
GCLKP2: IN STD_LOGIC;
-- KeyBoard 4X4
KB_ROW: IN STD_LOGIC_VECTOR(3 DOWNTO 0);--四行四列
KB_COL: OUT STD_LOGIC_VECTOR(3 DOWNTO 0);
-- PS2
PS_CLK: IN STD_LOGIC;
PS_DATA: IN STD_LOGIC;
-- RS232
RS_RXD: IN STD_LOGIC;
RS_TXD: OUT STD_LOGIC;
-- irDA
irDA: IN STD_LOGIC;-----------------------？？
-- Temperature Sensor
DQ: INOUT STD_LOGIC;
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-- LED4
LEDOUT: OUT STD_LOGIC_VECTOR(7 DOWNTO 0);--8 位 LED 显示 570 直
接驱动
DIGIT : OUT STD_LOGIC_VECTOR(3 DOWNTO 0);--？
-- Light8
Light : OUT STD_LOGIC_VECTOR(7 DOWNTO 0);---？
