time_auto_and_set.bdf

一些很好的FPGA设计实例

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		(text "SW1" (rect 21 43 44 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
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		(line (pt 0 64)(pt 16 64)(line_width 1))
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	(port
		(pt 0 80)
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		(text "hour1[3..0]" (rect 21 75 74 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 3))
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	(port
		(pt 0 96)
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		(text "hour0[3..0]" (rect 0 0 53 12)(font "Arial" ))
		(text "hour0[3..0]" (rect 21 91 74 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 3))
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	(port
		(pt 0 112)
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		(text "minute1[3..0]" (rect 0 0 64 12)(font "Arial" ))
		(text "minute1[3..0]" (rect 21 107 85 119)(font "Arial" ))
		(line (pt 0 112)(pt 16 112)(line_width 3))
	)
	(port
		(pt 0 128)
		(input)
		(text "minute0[3..0]" (rect 0 0 64 12)(font "Arial" ))
		(text "minute0[3..0]" (rect 21 123 85 135)(font "Arial" ))
		(line (pt 0 128)(pt 16 128)(line_width 3))
	)
	(port
		(pt 0 144)
		(input)
		(text "second1[3..0]" (rect 0 0 67 12)(font "Arial" ))
		(text "second1[3..0]" (rect 21 139 88 151)(font "Arial" ))
		(line (pt 0 144)(pt 16 144)(line_width 3))
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	(port
		(pt 0 160)
		(input)
		(text "second0[3..0]" (rect 0 0 67 12)(font "Arial" ))
		(text "second0[3..0]" (rect 21 155 88 167)(font "Arial" ))
		(line (pt 0 160)(pt 16 160)(line_width 3))
	)
	(port
		(pt 208 32)
		(output)
		(text "hour_set1[3..0]" (rect 0 0 74 12)(font "Arial" ))
		(text "hour_set1[3..0]" (rect 113 27 187 39)(font "Arial" ))
		(line (pt 208 32)(pt 192 32)(line_width 3))
	)
	(port
		(pt 208 48)
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		(text "hour_set0[3..0]" (rect 0 0 74 12)(font "Arial" ))
		(text "hour_set0[3..0]" (rect 113 43 187 55)(font "Arial" ))
		(line (pt 208 48)(pt 192 48)(line_width 3))
	)
	(port
		(pt 208 64)
		(output)
		(text "minute_set1[3..0]" (rect 0 0 86 12)(font "Arial" ))
		(text "minute_set1[3..0]" (rect 101 59 187 71)(font "Arial" ))
		(line (pt 208 64)(pt 192 64)(line_width 3))
	)
	(port
		(pt 208 80)
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		(text "minute_set0[3..0]" (rect 0 0 86 12)(font "Arial" ))
		(text "minute_set0[3..0]" (rect 101 75 187 87)(font "Arial" ))
		(line (pt 208 80)(pt 192 80)(line_width 3))
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	(port
		(pt 208 96)
		(output)
		(text "second_set1[3..0]" (rect 0 0 88 12)(font "Arial" ))
		(text "second_set1[3..0]" (rect 99 91 187 103)(font "Arial" ))
		(line (pt 208 96)(pt 192 96)(line_width 3))
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	(port
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		(text "second_set0[3..0]" (rect 0 0 88 12)(font "Arial" ))
		(text "second_set0[3..0]" (rect 99 107 187 119)(font "Arial" ))
		(line (pt 208 112)(pt 192 112)(line_width 3))
	)
	(port
		(pt 208 128)
		(output)
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		(text "disp_drive[2..0]" (rect 111 123 187 135)(font "Arial" ))
		(line (pt 208 128)(pt 192 128)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 192 176)(line_width 1))
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	(pt 304 128)
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	(pt 328 144)
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	(pt -16 72)
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	(pt 608 -120)
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	(pt 224 208)
	(pt 352 208)
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(junction (pt 216 72))
(junction (pt 232 88))
(junction (pt 240 120))
(junction (pt 256 136))
(junction (pt 272 152))
(junction (pt 288 168))
(junction (pt 192 0))
(text "disp_drive[2..0]不仅在SW1的控制下不断加1" (rect 248 224 572 239)(font "Times New Roman" (font_size 10)))
(text "同时提供显示驱动" (rect 248 248 399 263)(font "Times New Roman" (font_size 10)))