full_multi.bdf

是一些很好的FPGA设计实例

		(text "OD" (rect 90 123 107 137)(font "Arial" (font_size 8)))
		(line (pt 128 128)(pt 112 128)(line_width 1))
	)
	(port
		(pt 128 144)
		(output)
		(text "OE" (rect 0 0 16 14)(font "Arial" (font_size 8)))
		(text "OE" (rect 91 139 107 153)(font "Arial" (font_size 8)))
		(line (pt 128 144)(pt 112 144)(line_width 1))
	)
	(port
		(pt 128 160)
		(output)
		(text "OF" (rect 0 0 16 14)(font "Arial" (font_size 8)))
		(text "OF" (rect 91 155 107 169)(font "Arial" (font_size 8)))
		(line (pt 128 160)(pt 112 160)(line_width 1))
	)
	(port
		(pt 128 176)
		(output)
		(text "OG" (rect 0 0 18 14)(font "Arial" (font_size 8)))
		(text "OG" (rect 89 171 107 185)(font "Arial" (font_size 8)))
		(line (pt 128 176)(pt 112 176)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 112 208)(line_width 1))
	)
)
(symbol
	(rect 128 -216 248 -120)
	(text "mutli" (rect 5 0 28 12)(font "Arial" ))
	(text "inst" (rect 8 80 25 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "a[3..0]" (rect 0 0 31 12)(font "Arial" ))
		(text "a[3..0]" (rect 21 27 52 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 3))
	)
	(port
		(pt 0 48)
		(input)
		(text "b[3..0]" (rect 0 0 31 12)(font "Arial" ))
		(text "b[3..0]" (rect 21 43 52 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 3))
	)
	(port
		(pt 120 32)
		(output)
		(text "q[4..0]" (rect 0 0 31 12)(font "Arial" ))
		(text "q[4..0]" (rect 68 27 99 39)(font "Arial" ))
		(line (pt 120 32)(pt 104 32)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 104 80)(line_width 1))
	)
)
(symbol
	(rect 344 -104 376 -72)
	(text "GND" (rect 8 16 29 26)(font "Arial" (font_size 6)))
	(text "inst10" (rect 3 21 32 33)(font "Arial" )(invisible))
	(port
		(pt 16 0)
		(output)
		(text "1" (rect 18 0 23 12)(font "Courier New" (bold))(invisible))
		(text "1" (rect 18 0 23 12)(font "Courier New" (bold))(invisible))
		(line (pt 16 8)(pt 16 0)(line_width 1))
	)
	(drawing
		(line (pt 8 8)(pt 16 16)(line_width 1))
		(line (pt 16 16)(pt 24 8)(line_width 1))
		(line (pt 8 8)(pt 24 8)(line_width 1))
	)
)
(symbol
	(rect 384 -240 504 -80)
	(text "74185" (rect 43 0 84 16)(font "Arial" (font_size 10)))
	(text "sys_74185" (rect 3 149 57 161)(font "Arial" ))
	(port
		(pt 0 40)
		(input)
		(text "A" (rect 22 33 31 47)(font "Arial" (font_size 8)))
		(text "A" (rect 22 33 31 47)(font "Arial" (font_size 8)))
		(line (pt 0 40)(pt 16 40)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "B" (rect 22 49 30 63)(font "Arial" (font_size 8)))
		(text "B" (rect 22 49 30 63)(font "Arial" (font_size 8)))
		(line (pt 0 56)(pt 16 56)(line_width 1))
	)
	(port
		(pt 0 88)
		(input)
		(text "D" (rect 22 81 30 95)(font "Arial" (font_size 8)))
		(text "D" (rect 22 81 30 95)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 16 88)(line_width 1))
	)
	(port
		(pt 0 72)
		(input)
		(text "C" (rect 22 65 30 79)(font "Arial" (font_size 8)))
		(text "C" (rect 22 65 30 79)(font "Arial" (font_size 8)))
		(line (pt 0 72)(pt 16 72)(line_width 1))
	)
	(port
		(pt 0 104)
		(input)
		(text "E" (rect 22 97 29 111)(font "Arial" (font_size 8)))
		(text "E" (rect 22 97 29 111)(font "Arial" (font_size 8)))
		(line (pt 0 104)(pt 16 104)(line_width 1))
	)
	(port
		(pt 0 120)
		(input)
		(text "GN" (rect 22 113 39 127)(font "Arial" (font_size 8)))
		(text "GN" (rect 22 113 39 127)(font "Arial" (font_size 8)))
		(line (pt 0 120)(pt 8 120)(line_width 1))
	)
	(port
		(pt 120 24)
		(output)
		(text "Y1" (rect 85 17 101 31)(font "Arial" (font_size 8)))
		(text "Y1" (rect 85 17 101 31)(font "Arial" (font_size 8)))
		(line (pt 104 24)(pt 120 24)(line_width 1))
	)
	(port
		(pt 120 56)
		(output)
		(text "Y3" (rect 85 49 101 63)(font "Arial" (font_size 8)))
		(text "Y3" (rect 85 49 101 63)(font "Arial" (font_size 8)))
		(line (pt 104 56)(pt 120 56)(line_width 1))
	)
	(port
		(pt 120 40)
		(output)
		(text "Y2" (rect 85 33 101 47)(font "Arial" (font_size 8)))
		(text "Y2" (rect 85 33 101 47)(font "Arial" (font_size 8)))
		(line (pt 104 40)(pt 120 40)(line_width 1))
	)
	(port
		(pt 120 88)
		(output)
		(text "Y5" (rect 85 81 101 95)(font "Arial" (font_size 8)))
		(text "Y5" (rect 85 81 101 95)(font "Arial" (font_size 8)))
		(line (pt 104 88)(pt 120 88)(line_width 1))
	)
	(port
		(pt 120 72)
		(output)
		(text "Y4" (rect 85 65 101 79)(font "Arial" (font_size 8)))
		(text "Y4" (rect 85 65 101 79)(font "Arial" (font_size 8)))
		(line (pt 104 72)(pt 120 72)(line_width 1))
	)
	(port
		(pt 120 104)
		(output)
		(text "Y6" (rect 85 97 101 111)(font "Arial" (font_size 8)))
		(text "Y6" (rect 85 97 101 111)(font "Arial" (font_size 8)))
		(line (pt 104 104)(pt 120 104)(line_width 1))
	)
	(port
		(pt 120 136)
		(output)
		(text "Y8" (rect 85 129 101 143)(font "Arial" (font_size 8)))
		(text "Y8" (rect 85 129 101 143)(font "Arial" (font_size 8)))
		(line (pt 104 136)(pt 120 136)(line_width 1))
	)
	(port
		(pt 120 120)
		(output)
		(text "Y7" (rect 85 113 101 127)(font "Arial" (font_size 8)))
		(text "Y7" (rect 85 113 101 127)(font "Arial" (font_size 8)))
		(line (pt 104 120)(pt 120 120)(line_width 1))
	)
	(drawing
		(text "BINARY-BCD" (rect 31 145 106 159)(font "Arial" (font_size 8)))
		(line (pt 16 144)(pt 16 16)(line_width 1))
		(line (pt 104 144)(pt 104 16)(line_width 1))
		(line (pt 16 16)(pt 104 16)(line_width 1))
		(line (pt 16 144)(pt 104 144)(line_width 1))
		(circle (rect 8 116 16 124)(line_width 1))
	)
)
(symbol
	(rect 344 120 376 152)
	(text "GND" (rect 8 16 29 26)(font "Arial" (font_size 6)))
	(text "inst4" (rect 3 21 26 33)(font "Arial" )(invisible))
	(port
		(pt 16 0)
		(output)
		(text "1" (rect 18 0 23 12)(font "Courier New" (bold))(invisible))
		(text "1" (rect 18 0 23 12)(font "Courier New" (bold))(invisible))
		(line (pt 16 8)(pt 16 0)(line_width 1))
	)
	(drawing
		(line (pt 8 8)(pt 16 16)(line_width 1))
		(line (pt 16 16)(pt 24 8)(line_width 1))
		(line (pt 8 8)(pt 24 8)(line_width 1))
	)
)
(connector
	(text "q[4..0]" (rect 248 -200 279 -188)(font "Arial" ))
	(pt 248 -184)
	(pt 264 -184)
	(bus)
)
(connector
	(text "q[0]" (rect 354 -216 372 -204)(font "Arial" ))
	(pt 344 -200)
	(pt 384 -200)
)
(connector
	(text "q[1]" (rect 354 -200 372 -188)(font "Arial" ))
	(pt 384 -184)
	(pt 344 -184)
)
(connector
	(text "q[2]" (rect 346 -184 364 -172)(font "Arial" ))
	(pt 384 -168)
	(pt 336 -168)
)
(connector
	(text "q[3]" (rect 354 -168 372 -156)(font "Arial" ))
	(pt 384 -152)
	(pt 344 -152)
)
(connector
	(text "q[4]" (rect 362 -152 380 -140)(font "Arial" ))
	(pt 384 -136)
	(pt 352 -136)
)
(connector
	(pt 472 104)
	(pt 440 104)
)
(connector
	(pt 440 104)
	(pt 440 152)
)
(connector
	(pt 384 -120)
	(pt 360 -120)
)
(connector
	(pt 360 -120)
	(pt 360 -104)
)
(connector
	(text "d[31..0]" (rect 440 72 477 84)(font "Arial" ))
	(pt 440 88)
	(pt 472 88)
	(bus)
)
(connector
	(text "d[0]" (rect 514 -232 532 -220)(font "Arial" ))
	(pt 504 -216)
	(pt 536 -216)
)
(connector
	(text "d[1]" (rect 514 -216 532 -204)(font "Arial" ))
	(pt 504 -200)
	(pt 536 -200)
)
(connector
	(text "d[2]" (rect 514 -200 532 -188)(font "Arial" ))
	(pt 504 -184)
	(pt 536 -184)
)
(connector
	(text "d[3]" (rect 514 -184 532 -172)(font "Arial" ))
	(pt 504 -168)
	(pt 536 -168)
)
(connector
	(text "d[4]" (rect 514 -168 532 -156)(font "Arial" ))
	(pt 504 -152)
	(pt 536 -152)
)
(connector
	(text "d[5]" (rect 514 -152 532 -140)(font "Arial" ))
	(pt 504 -136)
	(pt 536 -136)
)
(connector
	(text "d[6]" (rect 514 -136 532 -124)(font "Arial" ))
	(pt 504 -120)
	(pt 536 -120)
)
(connector
	(text "d[7]" (rect 514 -120 532 -108)(font "Arial" ))
	(pt 504 -104)
	(pt 536 -104)
)
(connector
	(pt 472 136)
	(pt 472 120)
)
(connector
	(pt 472 120)
	(pt 360 120)
)
(connector
	(pt 296 152)
	(pt 440 152)
)
(connector
	(pt 440 152)
	(pt 472 152)
)
(junction (pt 440 152))
(junction (pt 472 120))