dds.bdf

采用DDS技术的波形发生器(FPGA实现)

	(port
		(pt 0 64)
		(input)
		(text "fcw[7..0]" (rect 0 0 43 12)(font "Arial" ))
		(text "fcw[7..0]" (rect 21 59 64 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 3))
	)
	(port
		(pt 144 32)
		(output)
		(text "sum[9..0]" (rect 0 0 47 12)(font "Arial" ))
		(text "sum[9..0]" (rect 76 27 123 39)(font "Arial" ))
		(line (pt 144 32)(pt 128 32)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 128 80)(line_width 1))
	)
)
(symbol
	(rect 192 400 368 528)
	(text "add_pcw" (rect 5 0 47 12)(font "Arial" ))
	(text "inst1" (rect 8 112 31 124)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clr" (rect 0 0 11 12)(font "Arial" ))
		(text "clr" (rect 21 27 32 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 43 35 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "pcw[7..0]" (rect 0 0 44 12)(font "Arial" ))
		(text "pcw[7..0]" (rect 21 59 65 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 3))
	)
	(port
		(pt 0 80)
		(input)
		(text "data_in[9..0]" (rect 0 0 61 12)(font "Arial" ))
		(text "data_in[9..0]" (rect 21 75 82 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 3))
	)
	(port
		(pt 176 32)
		(output)
		(text "address[9..0]" (rect 0 0 64 12)(font "Arial" ))
		(text "address[9..0]" (rect 91 27 155 39)(font "Arial" ))
		(line (pt 176 32)(pt 160 32)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 160 112)(line_width 1))
	)
)
(connector
	(pt 352 304)
	(pt 368 304)
	(bus)
)
(connector
	(pt 368 392)
	(pt 368 304)
	(bus)
)
(connector
	(pt 168 392)
	(pt 368 392)
	(bus)
)
(connector
	(text "clear" (rect 184 416 207 428)(font "Arial" ))
	(pt 192 432)
	(pt 184 432)
)
(connector
	(text "clock" (rect 464 296 489 308)(font "Arial" ))
	(pt 480 312)
	(pt 464 312)
)
(connector
	(pt 368 432)
	(pt 392 432)
	(bus)
)
(connector
	(pt 392 328)
	(pt 480 328)
	(bus)
)
(connector
	(pt 664 312)
	(pt 672 312)
)
(connector
	(pt 672 312)
	(pt 672 264)
)
(connector
	(pt 672 264)
	(pt 896 264)
)
(connector
	(pt 896 264)
	(pt 896 328)
)
(connector
	(pt 896 328)
	(pt 920 328)
)
(connector
	(text "clock" (rect 904 296 929 308)(font "Arial" ))
	(pt 920 312)
	(pt 904 312)
)
(connector
	(pt 864 312)
	(pt 872 312)
	(bus)
)
(connector
	(pt 872 344)
	(pt 872 312)
	(bus)
)
(connector
	(pt 872 344)
	(pt 920 344)
	(bus)
)
(connector
	(pt 664 328)
	(pt 688 328)
	(bus)
)
(connector
	(pt 688 328)
	(pt 688 312)
	(bus)
)
(connector
	(pt 688 312)
	(pt 712 312)
	(bus)
)
(connector
	(text "clock" (rect 704 312 729 324)(font "Arial" ))
	(pt 712 328)
	(pt 704 328)
)
(connector
	(text "clock" (rect 194 304 219 316)(font "Arial" ))
	(pt 160 320)
	(pt 208 320)
)
(connector
	(pt 464 256)
	(pt 464 312)
)
(connector
	(pt 464 312)
	(pt 464 376)
)
(connector
	(pt 136 376)
	(pt 136 448)
)
(connector
	(pt 184 304)
	(pt 184 432)
)
(connector
	(pt 160 256)
	(pt 464 256)
)
(connector
	(pt 464 256)
	(pt 704 256)
)
(connector
	(pt 704 256)
	(pt 904 256)
)
(connector
	(pt 1112 312)
	(pt 1104 312)
	(bus)
)
(connector
	(pt 1112 312)
	(pt 1112 416)
	(bus)
)
(connector
	(pt 1112 416)
	(pt 944 416)
	(bus)
)
(connector
	(pt 944 416)
	(pt 944 528)
	(bus)
)
(connector
	(pt 736 664)
	(pt 968 664)
	(bus)
)
(connector
	(pt 136 376)
	(pt 464 376)
)
(connector
	(pt 464 376)
	(pt 472 376)
)
(connector
	(pt 472 664)
	(pt 600 664)
)
(connector
	(pt 488 432)
	(pt 472 432)
)
(connector
	(pt 472 376)
	(pt 472 432)
)
(connector
	(pt 392 448)
	(pt 488 448)
	(bus)
)
(connector
	(pt 392 328)
	(pt 392 432)
	(bus)
)
(connector
	(pt 392 432)
	(pt 392 448)
	(bus)
)
(connector
	(pt 392 448)
	(pt 392 576)
	(bus)
)
(connector
	(pt 488 576)
	(pt 392 576)
	(bus)
)
(connector
	(pt 488 576)
	(pt 488 568)
	(bus)
)
(connector
	(pt 488 552)
	(pt 472 552)
)
(connector
	(pt 472 432)
	(pt 472 552)
)
(connector
	(pt 472 552)
	(pt 472 664)
)
(connector
	(pt 656 432)
	(pt 704 432)
	(bus)
)
(connector
	(pt 704 376)
	(pt 680 376)
)
(connector
	(pt 704 256)
	(pt 704 328)
)
(connector
	(pt 704 328)
	(pt 704 376)
)
(connector
	(pt 704 448)
	(pt 680 448)
)
(connector
	(pt 680 568)
	(pt 704 568)
)
(connector
	(pt 680 376)
	(pt 680 448)
)
(connector
	(pt 680 448)
	(pt 680 568)
)
(connector
	(pt 168 480)
	(pt 168 392)
	(bus)
)
(connector
	(pt 168 480)
	(pt 192 480)
	(bus)
)
(connector
	(pt 16 120)
	(pt 40 120)
)
(connector
	(pt 160 184)
	(pt 160 256)
)
(connector
	(pt 160 256)
	(pt 160 320)
)
(connector
	(pt 136 120)
	(pt 176 120)
)
(connector
	(pt 408 184)
	(pt 160 184)
)
(connector
	(pt 408 184)
	(pt 408 120)
)
(connector
	(pt 656 552)
	(pt 704 552)
	(bus)
)
(connector
	(pt 856 552)
	(pt 928 552)
	(bus)
)
(connector
	(pt 928 552)
	(pt 928 560)
	(bus)
)
(connector
	(pt 856 432)
	(pt 928 432)
	(bus)
)
(connector
	(pt 928 432)
	(pt 928 544)
	(bus)
)
(connector
	(pt 1216 512)
	(pt 1208 512)
	(bus)
)
(connector
	(pt 1208 512)
	(pt 1208 496)
	(bus)
)
(connector
	(pt 1208 496)
	(pt 1168 496)
	(bus)
)
(connector
	(pt 968 528)
	(pt 944 528)
	(bus)
)
(connector
	(pt 968 544)
	(pt 928 544)
	(bus)
)
(connector
	(pt 968 560)
	(pt 928 560)
	(bus)
)
(connector
	(pt 968 576)
	(pt 968 664)
	(bus)
)
(connector
	(pt 904 256)
	(pt 904 312)
)
(connector
	(pt 904 312)
	(pt 904 496)
)
(connector
	(pt 904 496)
	(pt 968 496)
)
(connector
	(pt 144 304)
	(pt 184 304)
)
(connector
	(text "clear" (rect 194 288 217 300)(font "Arial" ))
	(pt 184 304)
	(pt 208 304)
)
(connector
	(text "clock" (rect 394 104 419 116)(font "Arial" ))
	(pt 272 120)
	(pt 408 120)
)
(connector
	(text "clock" (rect 184 432 209 444)(font "Arial" ))
	(pt 136 448)
	(pt 192 448)
)
(connector
	(pt 968 512)
	(pt 440 512)
	(bus)
)
(connector
	(text "fcw[7..0]" (rect 178 320 221 332)(font "Arial" ))
	(pt 8 336)
	(pt 208 336)
	(bus)
)
(connector
	(text "pcw[7..0]" (rect 184 448 228 460)(font "Arial" ))
	(pt -8 464)
	(pt 192 464)
	(bus)
)
(connector
	(pt 440 512)
	(pt 440 600)
	(bus)
)
(connector
	(pt -8 600)
	(pt 440 600)
	(bus)
)
(junction (pt 464 312))
(junction (pt 464 256))
(junction (pt 704 256))
(junction (pt 464 376))
(junction (pt 472 432))
(junction (pt 392 432))
(junction (pt 392 448))
(junction (pt 472 552))
(junction (pt 704 328))
(junction (pt 680 448))
(junction (pt 160 256))
(junction (pt 904 312))
(junction (pt 184 304))