信號發(fā)生器實(shí)驗(yàn)

1、信號發(fā)生器實(shí)驗(yàn) 參考EDA實(shí)驗(yàn)講義之實(shí)驗(yàn)17：波形發(fā)生與掃頻信號發(fā)生器電路設(shè)計 頻率可調(diào)，波形可調(diào)（正弦、方波和三角波）設(shè)計過程1，生成不同波形的LPM函數(shù)，采用MAXPLUSII之LPM函數(shù)LPM_ROM。2，編寫VHDL程序： 調(diào)入LPM_ROM（結(jié)構(gòu)化設(shè)計） 地址發(fā)生器 三選一電路3，仿真。4，在實(shí)驗(yàn)箱進(jìn)行調(diào)試。要求1，查看仿真結(jié)果。2，查看實(shí)驗(yàn)箱調(diào)試結(jié)果（用示波器查看波形輸出，用按鍵切換不同波形）。LPM_ROM的生成（1）LPM_ROM的生成（2）LPM_ROM的生成（3）LPM_ROM的生成（4）LPM_ROM的生成（5）LPM_ROM的生成（6）生成的VHD文件LIBRARY i

2、eee;USE ieee.std_logic_1164.all;ENTITY squarerom ISPORT(address: IN STD_LOGIC_VECTOR (7 DOWNTO 0);inclock: IN STD_LOGIC ; q: OUT STD_LOGIC_VECTOR (7 DOWNTO 0);END squarerom;ARCHITECTURE SYN OF squarerom ISSIGNAL sub_wire0: STD_LOGIC_VECTOR (7 DOWNTO 0);COMPONENT lpm_romGENERIC (lpm_width: NATURAL;lp

3、m_widthad: NATURAL;lpm_address_control: STRING;lpm_outdata: STRING;lpm_file: STRING);PORT (address: IN STD_LOGIC_VECTOR (7 DOWNTO 0);inclock: IN STD_LOGIC ;q: OUT STD_LOGIC_VECTOR (7 DOWNTO 0);END COMPONENT;BEGINq 8,LPM_WIDTHAD = 8, LPM_ADDRESS_CONTROL = REGISTERED,LPM_OUTDATA = UNREGISTERED, LPM_FILE = E:/source1/test9/square_data.mif)PORT MAP (address = address,inclock = inclock,q = sub_wire0);END SYN;*.mifWIDTH =8;DEPTH =256;ADDRESS_RADIX = DEC;DATA_RADIX = DEC;CONTENT BEGIN 0: 127; 1: 124; 2: 121; 253: 134; 254: 13