ddsfpga.bdf

dds设计，生成多种波形，Verilog语言

		(input)
		(text "address[9..0]" (rect 0 0 64 12)(font "Arial" ))
		(text "address[9..0]" (rect 21 59 85 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 3))
	)
	(port
		(pt 184 32)
		(output)
		(text "qsquare[7..0]" (rect 0 0 64 12)(font "Arial" ))
		(text "qsquare[7..0]" (rect 99 27 163 39)(font "Arial" ))
		(line (pt 184 32)(pt 168 32)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 168 80)(line_width 1))
	)
)
(symbol
	(rect 1472 720 1656 816)
	(text "triawave" (rect 5 0 46 12)(font "Arial" ))
	(text "inst6" (rect 8 80 31 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 27 35 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "enable" (rect 0 0 31 12)(font "Arial" ))
		(text "enable" (rect 21 43 52 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "address[9..0]" (rect 0 0 64 12)(font "Arial" ))
		(text "address[9..0]" (rect 21 59 85 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 3))
	)
	(port
		(pt 184 32)
		(output)
		(text "qtriangle[7..0]" (rect 0 0 67 12)(font "Arial" ))
		(text "qtriangle[7..0]" (rect 96 27 163 39)(font "Arial" ))
		(line (pt 184 32)(pt 168 32)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 168 80)(line_width 1))
	)
)
(symbol
	(rect 960 704 1128 800)
	(text "Key" (rect 5 0 25 12)(font "Arial" ))
	(text "inst3" (rect 8 80 31 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 27 35 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "keyin[7..0]" (rect 0 0 53 12)(font "Arial" ))
		(text "keyin[7..0]" (rect 21 43 74 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 3))
	)
	(port
		(pt 168 32)
		(output)
		(text "keyout[7..0]" (rect 0 0 60 12)(font "Arial" ))
		(text "keyout[7..0]" (rect 87 27 147 39)(font "Arial" ))
		(line (pt 168 32)(pt 152 32)(line_width 3))
	)
	(parameter
		"n"
		"10"
		""
	)
	(drawing
		(rectangle (rect 16 16 152 80)(line_width 1))
	)
	(annotation_block (parameter)(rect 1128 672 1232 704))
)
(connector
	(pt 1160 720)
	(pt 1192 720)
)
(connector
	(pt 1472 664)
	(pt 1432 664)
	(bus)
)
(connector
	(pt 1472 904)
	(pt 1432 904)
	(bus)
)
(connector
	(pt 1384 768)
	(pt 1416 768)
	(bus)
)
(connector
	(pt 1416 528)
	(pt 1720 528)
	(bus)
)
(connector
	(pt 1384 720)
	(pt 1400 720)
)
(connector
	(pt 1400 648)
	(pt 1472 648)
)
(connector
	(pt 1384 736)
	(pt 1456 736)
)
(connector
	(pt 1384 752)
	(pt 1400 752)
)
(connector
	(pt 1400 872)
	(pt 1472 872)
)
(connector
	(pt 1696 736)
	(pt 1752 736)
	(bus)
)
(connector
	(pt 1696 904)
	(pt 1696 768)
	(bus)
)
(connector
	(pt 1696 768)
	(pt 1752 768)
	(bus)
)
(connector
	(pt 1400 576)
	(pt 1736 576)
)
(connector
	(pt 1736 688)
	(pt 1752 688)
)
(connector
	(pt 1456 704)
	(pt 1752 704)
)
(connector
	(pt 1736 688)
	(pt 1736 576)
)
(connector
	(pt 1752 720)
	(pt 1672 720)
)
(connector
	(pt 1672 720)
	(pt 1672 824)
)
(connector
	(pt 1672 824)
	(pt 1400 824)
)
(connector
	(pt 1400 824)
	(pt 1400 872)
)
(connector
	(pt 1448 592)
	(pt 1712 592)
)
(connector
	(pt 1712 592)
	(pt 1712 672)
)
(connector
	(pt 1712 672)
	(pt 1752 672)
)
(connector
	(pt 1920 672)
	(pt 1960 672)
	(bus)
)
(connector
	(pt 1448 888)
	(pt 1472 888)
)
(connector
	(pt 1624 904)
	(pt 1696 904)
	(bus)
)
(connector
	(pt 1696 904)
	(pt 1792 904)
	(bus)
)
(connector
	(pt 1792 864)
	(pt 1720 864)
	(bus)
)
(connector
	(pt 1720 864)
	(pt 1720 752)
	(bus)
)
(connector
	(pt 1752 752)
	(pt 1720 752)
	(bus)
)
(connector
	(pt 1720 752)
	(pt 1656 752)
	(bus)
)
(connector
	(pt 1448 592)
	(pt 1448 632)
)
(connector
	(pt 1448 632)
	(pt 1472 632)
)
(connector
	(pt 1416 768)
	(pt 1416 528)
	(bus)
)
(connector
	(pt 1384 784)
	(pt 1432 784)
	(bus)
)
(connector
	(pt 1432 784)
	(pt 1472 784)
	(bus)
)
(connector
	(pt 1432 664)
	(pt 1432 784)
	(bus)
)
(connector
	(pt 1432 784)
	(pt 1432 904)
	(bus)
)
(connector
	(pt 1400 752)
	(pt 1400 824)
)
(connector
	(pt 1400 576)
	(pt 1400 648)
)
(connector
	(pt 1400 648)
	(pt 1400 720)
)
(connector
	(pt 1160 720)
	(pt 1160 632)
)
(connector
	(pt 1160 632)
	(pt 1448 632)
)
(connector
	(pt 1472 752)
	(pt 1448 752)
)
(connector
	(pt 1448 632)
	(pt 1448 752)
)
(connector
	(pt 1448 752)
	(pt 1448 888)
)
(connector
	(pt 1472 768)
	(pt 1456 768)
)
(connector
	(pt 1456 704)
	(pt 1456 736)
)
(connector
	(pt 1456 736)
	(pt 1456 768)
)
(connector
	(pt 1696 736)
	(pt 1696 632)
	(bus)
)
(connector
	(pt 1656 632)
	(pt 1696 632)
	(bus)
)
(connector
	(pt 1696 632)
	(pt 1784 632)
	(bus)
)
(connector
	(pt 808 632)
	(pt 832 632)
)
(connector
	(pt 960 752)
	(pt 840 752)
	(bus)
)
(connector
	(pt 960 736)
	(pt 944 736)
)
(connector
	(pt 944 736)
	(pt 944 632)
)
(connector
	(pt 928 632)
	(pt 944 632)
)
(connector
	(pt 944 632)
	(pt 1160 632)
)
(connector
	(pt 1152 840)
	(pt 1144 840)
	(bus)
)
(connector
	(pt 1144 840)
	(pt 1144 736)
	(bus)
)
(connector
	(pt 1128 736)
	(pt 1144 736)
	(bus)
)
(connector
	(pt 1144 736)
	(pt 1192 736)
	(bus)
)
(junction (pt 1400 648))
(junction (pt 1400 824))
(junction (pt 1448 632))
(junction (pt 1696 904))
(junction (pt 1720 752))
(junction (pt 1160 632))
(junction (pt 1432 784))
(junction (pt 1448 752))
(junction (pt 1456 736))
(junction (pt 1696 632))
(junction (pt 944 632))
(junction (pt 1144 736))