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📄 defeqns.htm

📁 采用9054做为板卡与计算机通信的媒介
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<h3 align='center'>Equations</h3>
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********** Mapped Logic **********
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ce <= '0';
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FDCPE_int: FDCPE port map (int,'1',onoffa,int_CLR,'0');
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int_CLR <= (int AND int4);
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FDCPE_int2: FDCPE port map (int2,NOT lint,main_clk,'0','0');
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FDCPE_int3: FDCPE port map (int3,NOT int2,main_clk,'0','0');
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FDCPE_int4: FDCPE port map (int4,NOT int3,main_clk,'0','0');
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lclk <= main_clk;
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</td></tr><tr><td>
ld_I(0) <= ld(7);
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(0) <= ld_I(0) when ld_OE(0) = '1' else 'Z';
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld_OE(0) <= NOT ld(7);
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</td></tr><tr><td>
ld_I(1) <= ld(7);
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(1) <= ld_I(1) when ld_OE(1) = '1' else 'Z';
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld_OE(1) <= NOT ld(7);
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</td></tr><tr><td>
ld_I(2) <= ld(7);
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(2) <= ld_I(2) when ld_OE(2) = '1' else 'Z';
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld_OE(2) <= NOT ld(7);
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</td></tr><tr><td>
ld_I(3) <= ld(7);
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(3) <= ld_I(3) when ld_OE(3) = '1' else 'Z';
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld_OE(3) <= NOT ld(7);
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</td></tr><tr><td>
ld_I(4) <= ld(7);
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(4) <= ld_I(4) when ld_OE(4) = '1' else 'Z';
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld_OE(4) <= NOT ld(7);
</td></tr><tr><td>
</td></tr><tr><td>
ld_I(5) <= ld(7);
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(5) <= ld_I(5) when ld_OE(5) = '1' else 'Z';
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld_OE(5) <= NOT ld(7);
</td></tr><tr><td>
</td></tr><tr><td>
ld_I(6) <= ld(7);
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(6) <= ld_I(6) when ld_OE(6) = '1' else 'Z';
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld_OE(6) <= NOT ld(7);
</td></tr><tr><td>
FDCPE_ld7: FDCPE port map (ld_I(7),ld(7),main_clk,'0','0');
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(7) <= ((NOT cpld)
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;	OR (ld(7) AND wr));
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld(7) <= ld_I(7) when ld_OE(7) = '1' else 'Z';
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ld_OE(7) <= NOT ld(7);
</td></tr><tr><td>
</td></tr><tr><td>
led1 <= onoffa;
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led2 <= '1';
</td></tr><tr><td>
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led(0) <= '0';
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led(1) <= '0';
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led(2) <= '0';
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led(3) <= '0';
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led(4) <= '0';
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led(5) <= '0';
</td></tr><tr><td>
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led(6) <= '0';
</td></tr><tr><td>
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led(7) <= '0';
</td></tr><tr><td>
FDCPE_lholda: FDCPE port map (lholda,lhold,main_clk,'0','0');
</td></tr><tr><td>
FDCPE_lint: FDCPE port map (lint,NOT int,main_clk,'0','0');
</td></tr><tr><td>
FDCPE_oe: FDCPE port map (oe,wr,main_clk,'0','0',NOT cpld);
</td></tr><tr><td>
FDCPE_ready: FDCPE port map (ready,ready_D,main_clk,'0','0');
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ready_D <= ((NOT blast)
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;	OR (ready AND ads));
</td></tr><tr><td>
</td></tr><tr><td>
sa(0) <= la(0);
</td></tr><tr><td>
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sa(1) <= la(1);
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sa(2) <= la(2);
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sa(3) <= la(3);
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sa(4) <= la(4);
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sa(5) <= la(5);
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sa(6) <= la(6);
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</td></tr><tr><td>
sa(7) <= la(7);
</td></tr><tr><td>
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sa(8) <= la(8);
</td></tr><tr><td>
</td></tr><tr><td>
sa(9) <= la(9);
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sa(10) <= la(10);
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</td></tr><tr><td>
sa(11) <= la(11);
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sa(12) <= la(12);
</td></tr><tr><td>
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sa(13) <= la(13);
</td></tr><tr><td>
</td></tr><tr><td>
sa(14) <= la(14);
</td></tr><tr><td>
FDCPE_we: FDCPE port map (we,NOT wr,main_clk,'0','0',NOT cpld);
</td></tr><tr><td>
Register Legend:
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; FDCPE (Q,D,C,CLR,PRE,CE); 
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; FTCPE (Q,D,C,CLR,PRE,CE); 
<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LDCP  (Q,D,G,CLR,PRE); 
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</td></tr>
</table>
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