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📄 count.bdf

📁 是一些很好的FPGA设计实例
💻 BDF
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(symbol
	(rect 320 360 352 376)
	(text "VCC" (rect 7 6 27 16)(font "Arial" (font_size 6)))
	(text "inst3" (rect 3 -1 26 11)(font "Arial" )(invisible))
	(port
		(pt 16 0)
		(output)
		(text "1" (rect 19 7 24 19)(font "Courier New" (bold))(invisible))
		(text "1" (rect 19 -3 24 9)(font "Courier New" (bold))(invisible))
		(line (pt 16 0)(pt 16 8)(line_width 1))
	)
	(drawing
		(line (pt 8 8)(pt 24 8)(line_width 1))
	)
	(flipx)
)
(symbol
	(rect 496 176 544 208)
	(text "NOT" (rect 1 0 21 10)(font "Arial" (font_size 6)))
	(text "inst" (rect 3 21 20 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 544 192 592 224)
	(text "NOT" (rect 1 0 21 10)(font "Arial" (font_size 6)))
	(text "inst6" (rect 3 21 26 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 592 208 640 240)
	(text "NOT" (rect 1 0 21 10)(font "Arial" (font_size 6)))
	(text "inst7" (rect 3 21 26 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 640 224 688 256)
	(text "NOT" (rect 1 0 21 10)(font "Arial" (font_size 6)))
	(text "inst8" (rect 3 21 26 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(symbol
	(rect 96 232 160 280)
	(text "AND2" (rect 1 0 25 10)(font "Arial" (font_size 6)))
	(text "inst9" (rect 3 37 26 49)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN1" (rect 2 7 19 19)(font "Courier New" (bold))(invisible))
		(text "IN1" (rect 2 7 19 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 14 16)(line_width 1))
	)
	(port
		(pt 0 32)
		(input)
		(text "IN2" (rect 2 23 19 35)(font "Courier New" (bold))(invisible))
		(text "IN2" (rect 2 23 19 35)(font "Courier New" (bold))(invisible))
		(line (pt 0 32)(pt 14 32)(line_width 1))
	)
	(port
		(pt 64 24)
		(output)
		(text "OUT" (rect 48 15 65 27)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 48 15 65 27)(font "Courier New" (bold))(invisible))
		(line (pt 42 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 14 12)(pt 30 12)(line_width 1))
		(line (pt 14 37)(pt 31 37)(line_width 1))
		(line (pt 14 12)(pt 14 37)(line_width 1))
		(arc (pt 31 37)(pt 30 12)(rect 18 12 43 37)(line_width 1))
	)
)
(connector
	(pt 192 224)
	(pt 192 208)
)
(connector
	(pt 192 208)
	(pt 192 160)
)
(connector
	(pt 192 160)
	(pt 352 160)
)
(connector
	(pt 192 256)
	(pt 160 256)
)
(connector
	(pt 336 208)
	(pt 336 136)
)
(connector
	(pt 336 208)
	(pt 312 208)
)
(connector
	(pt 176 136)
	(pt 336 136)
)
(connector
	(pt 176 136)
	(pt 176 272)
)
(connector
	(pt 176 272)
	(pt 192 272)
)
(connector
	(pt 336 208)
	(pt 376 208)
)
(connector
	(pt 376 224)
	(pt 312 224)
)
(connector
	(pt 336 256)
	(pt 336 360)
)
(connector
	(pt 352 128)
	(pt 352 160)
)
(connector
	(pt 544 208)
	(pt 496 208)
)
(connector
	(pt 496 224)
	(pt 592 224)
)
(connector
	(pt 640 240)
	(pt 496 240)
)
(connector
	(pt 336 256)
	(pt 376 256)
)
(connector
	(pt 376 272)
	(pt 352 272)
)
(connector
	(pt 376 288)
	(pt 352 288)
)
(connector
	(pt 352 160)
	(pt 352 272)
)
(connector
	(pt 352 272)
	(pt 352 288)
)
(connector
	(pt 96 248)
	(pt 80 248)
)
(connector
	(pt 80 248)
	(pt 80 216)
)
(connector
	(pt 80 216)
	(pt 40 216)
)
(connector
	(text "Q[0]" (rect 554 176 575 188)(font "Arial" ))
	(pt 544 192)
	(pt 728 192)
)
(connector
	(text "Q[1]" (rect 602 192 623 204)(font "Arial" ))
	(pt 592 208)
	(pt 728 208)
)
(connector
	(text "Q[2]" (rect 650 208 671 220)(font "Arial" ))
	(pt 640 224)
	(pt 728 224)
)
(connector
	(text "Q[3]" (rect 698 224 719 236)(font "Arial" ))
	(pt 688 240)
	(pt 728 240)
)
(connector
	(text "Q[3..0]" (rect 594 256 628 268)(font "Arial" ))
	(pt 584 272)
	(pt 696 272)
	(bus)
)
(junction (pt 192 208))
(junction (pt 336 208))
(junction (pt 352 160))
(junction (pt 352 272))

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