dds.bdf

程序用VHDL实现： 频率合成

		(line (pt 144 64)(pt 16 64)(line_width 1))
		(line (pt 16 64)(pt 16 16)(line_width 1))
		(line (pt 16 42)(pt 22 48)(line_width 1))
		(line (pt 22 48)(pt 16 54)(line_width 1))
	)
)
(symbol
	(rect 152 304 312 384)
	(text "LPM_ROM_10" (rect 38 1 138 17)(font "Arial" (font_size 10)))
	(text "inst2" (rect 8 64 31 76)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "address[9..0]" (rect 0 0 75 14)(font "Arial" (font_size 8)))
		(text "address[9..0]" (rect 20 26 95 40)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 3))
	)
	(port
		(pt 0 48)
		(input)
		(text "inclock" (rect 0 0 38 14)(font "Arial" (font_size 8)))
		(text "inclock" (rect 26 42 64 56)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 160 40)
		(output)
		(text "q[9..0]" (rect 0 0 35 14)(font "Arial" (font_size 8)))
		(text "q[9..0]" (rect 111 34 146 48)(font "Arial" (font_size 8)))
		(line (pt 160 40)(pt 144 40)(line_width 3))
	)
	(drawing
		(line (pt 16 16)(pt 144 16)(line_width 1))
		(line (pt 144 16)(pt 144 64)(line_width 1))
		(line (pt 144 64)(pt 16 64)(line_width 1))
		(line (pt 16 64)(pt 16 16)(line_width 1))
		(line (pt 16 42)(pt 22 48)(line_width 1))
		(line (pt 22 48)(pt 16 54)(line_width 1))
	)
)
(symbol
	(rect 144 32 304 160)
	(text "LPM_ADDER_10" (rect 30 1 148 17)(font "Arial" (font_size 10)))
	(text "inst" (rect 8 112 25 124)(font "Arial" ))
	(port
		(pt 0 56)
		(input)
		(text "dataa[9..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))
		(text "dataa[9..0]" (rect 4 43 64 57)(font "Arial" (font_size 8)))
		(line (pt 0 56)(pt 64 56)(line_width 3))
	)
	(port
		(pt 0 88)
		(input)
		(text "datab[9..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))
		(text "datab[9..0]" (rect 4 75 64 89)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 64 88)(line_width 3))
	)
	(port
		(pt 0 32)
		(input)
		(text "cin" (rect 0 0 16 14)(font "Arial" (font_size 8)))
		(text "cin" (rect 4 19 20 33)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 80 32)(line_width 1))
	)
	(port
		(pt 160 72)
		(output)
		(text "result[9..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))
		(text "result[9..0]" (rect 106 59 166 73)(font "Arial" (font_size 8)))
		(line (pt 160 72)(pt 96 72)(line_width 3))
	)
	(port
		(pt 160 112)
		(output)
		(text "cout" (rect 0 0 24 14)(font "Arial" (font_size 8)))
		(text "cout" (rect 136 99 160 113)(font "Arial" (font_size 8)))
		(line (pt 160 112)(pt 80 112)(line_width 1))
	)
	(drawing
		(text "A" (rect 66 50 73 63)(font "Arial" (font_size 8)))
		(text "B" (rect 66 82 73 95)(font "Arial" (font_size 8)))
		(text "A+B" (rect 73 66 93 79)(font "Arial" (font_size 8)))
		(line (pt 64 48)(pt 96 56)(line_width 1))
		(line (pt 96 56)(pt 96 88)(line_width 1))
		(line (pt 96 88)(pt 64 96)(line_width 1))
		(line (pt 64 96)(pt 64 48)(line_width 1))
		(line (pt 80 32)(pt 80 52)(line_width 1))
		(line (pt 80 112)(pt 80 91)(line_width 1))
	)
)
(symbol
	(rect 624 56 784 184)
	(text "LPM_ADDER_10" (rect 30 1 148 17)(font "Arial" (font_size 10)))
	(text "inst6" (rect 8 112 31 124)(font "Arial" ))
	(port
		(pt 0 56)
		(input)
		(text "dataa[9..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))
		(text "dataa[9..0]" (rect 4 43 64 57)(font "Arial" (font_size 8)))
		(line (pt 0 56)(pt 64 56)(line_width 3))
	)
	(port
		(pt 0 88)
		(input)
		(text "datab[9..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))
		(text "datab[9..0]" (rect 4 75 64 89)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 64 88)(line_width 3))
	)
	(port
		(pt 0 32)
		(input)
		(text "cin" (rect 0 0 16 14)(font "Arial" (font_size 8)))
		(text "cin" (rect 4 19 20 33)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 80 32)(line_width 1))
	)
	(port
		(pt 160 72)
		(output)
		(text "result[9..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))
		(text "result[9..0]" (rect 106 59 166 73)(font "Arial" (font_size 8)))
		(line (pt 160 72)(pt 96 72)(line_width 3))
	)
	(port
		(pt 160 112)
		(output)
		(text "cout" (rect 0 0 24 14)(font "Arial" (font_size 8)))
		(text "cout" (rect 136 99 160 113)(font "Arial" (font_size 8)))
		(line (pt 160 112)(pt 80 112)(line_width 1))
	)
	(drawing
		(text "A" (rect 66 50 73 63)(font "Arial" (font_size 8)))
		(text "B" (rect 66 82 73 95)(font "Arial" (font_size 8)))
		(text "A+B" (rect 73 66 93 79)(font "Arial" (font_size 8)))
		(line (pt 64 48)(pt 96 56)(line_width 1))
		(line (pt 96 56)(pt 96 88)(line_width 1))
		(line (pt 96 88)(pt 64 96)(line_width 1))
		(line (pt 64 96)(pt 64 48)(line_width 1))
		(line (pt 80 32)(pt 80 52)(line_width 1))
		(line (pt 80 112)(pt 80 91)(line_width 1))
	)
)
(connector
	(pt 408 104)
	(pt 304 104)
	(bus)
)
(connector
	(text "CLK" (rect 88 176 109 188)(font "Arial" ))
	(pt 80 192)
	(pt 120 192)
)
(connector
	(pt 144 120)
	(pt 88 120)
	(bus)
)
(connector
	(pt 584 -8)
	(pt 584 112)
	(bus)
)
(connector
	(pt 584 -8)
	(pt 104 -8)
	(bus)
)
(connector
	(pt 104 -8)
	(pt 104 88)
	(bus)
)
(connector
	(pt 104 88)
	(pt 144 88)
	(bus)
)
(connector
	(pt 552 112)
	(pt 584 112)
	(bus)
)
(connector
	(pt 584 112)
	(pt 624 112)
	(bus)
)
(connector
	(pt 624 144)
	(pt 584 144)
	(bus)
)
(connector
	(pt 584 144)
	(pt 584 224)
	(bus)
)
(connector
	(pt 584 224)
	(pt 80 224)
	(bus)
)
(connector
	(pt 784 128)
	(pt 808 128)
	(bus)
)
(connector
	(pt 808 256)
	(pt 808 128)
	(bus)
)
(connector
	(pt 104 256)
	(pt 808 256)
	(bus)
)
(connector
	(pt 104 448)
	(pt 152 448)
	(bus)
)
(connector
	(pt 152 336)
	(pt 104 336)
	(bus)
)
(connector
	(pt 104 448)
	(pt 104 336)
	(bus)
)
(connector
	(pt 104 336)
	(pt 104 256)
	(bus)
)
(connector
	(text "CLK" (rect 128 336 149 348)(font "Arial" ))
	(pt 152 352)
	(pt 120 352)
)
(connector
	(text "CLK" (rect 128 448 149 460)(font "Arial" ))
	(pt 152 464)
	(pt 120 464)
)
(connector
	(text "CLK" (rect 376 120 397 132)(font "Arial" ))
	(pt 408 136)
	(pt 368 136)
)
(connector
	(pt 392 344)
	(pt 312 344)
	(bus)
)
(connector
	(pt 312 456)
	(pt 392 456)
	(bus)
)
(connector
	(text "CLK" (rect 352 360 373 372)(font "Arial" ))
	(pt 392 376)
	(pt 344 376)
)
(connector
	(text "CLK" (rect 352 472 373 484)(font "Arial" ))
	(pt 392 488)
	(pt 344 488)
)
(connector
	(pt 600 352)
	(pt 536 352)
	(bus)
)
(connector
	(pt 536 464)
	(pt 592 464)
	(bus)
)
(junction (pt 584 112))
(junction (pt 104 336))