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📄 count60.bdf

📁 全是FPGA的例子 对大家应该有好处 大家赶快下把 知识不等人
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/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/
/*
Copyright (C) 1991-2003 Altera Corporation
Any  megafunction  design,  and related netlist (encrypted  or  decrypted),
support information,  device programming or simulation file,  and any other
associated  documentation or information  provided by  Altera  or a partner
under  Altera's   Megafunction   Partnership   Program  may  be  used  only
to program  PLD  devices (but not masked  PLD  devices) from  Altera.   Any
other  use  of such  megafunction  design,  netlist,  support  information,
device programming or simulation file,  or any other  related documentation
or information  is prohibited  for  any  other purpose,  including, but not
limited to  modification,  reverse engineering,  de-compiling, or use  with
any other  silicon devices,  unless such use is  explicitly  licensed under
a separate agreement with  Altera  or a megafunction partner.  Title to the
intellectual property,  including patents,  copyrights,  trademarks,  trade
secrets,  or maskworks,  embodied in any such megafunction design, netlist,
support  information,  device programming or simulation file,  or any other
related documentation or information provided by  Altera  or a megafunction
partner, remains with Altera, the megafunction partner, or their respective
licensors. No other licenses, including any licenses needed under any third
party's intellectual property, are provided herein.
*/
(header "graphic" (version "1.2"))
(pin
	(input)
	(rect -88 88 80 104)
	(text "INPUT" (rect 133 0 159 10)(font "Arial" (font_size 6)))
	(text "PE" (rect 5 0 18 12)(font "Arial" ))
	(pt 168 8)
	(drawing
		(line (pt 92 12)(pt 117 12)(line_width 1))
		(line (pt 92 4)(pt 117 4)(line_width 1))
		(line (pt 121 8)(pt 168 8)(line_width 1))
		(line (pt 92 12)(pt 92 4)(line_width 1))
		(line (pt 117 4)(pt 121 8)(line_width 1))
		(line (pt 117 12)(pt 121 8)(line_width 1))
	)
	(text "VCC" (rect 136 7 154 17)(font "Arial" (font_size 6)))
)
(pin
	(input)
	(rect -88 120 80 136)
	(text "INPUT" (rect 133 0 159 10)(font "Arial" (font_size 6)))
	(text "CLR" (rect 5 0 25 12)(font "Arial" ))
	(pt 168 8)
	(drawing
		(line (pt 92 12)(pt 117 12)(line_width 1))
		(line (pt 92 4)(pt 117 4)(line_width 1))
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		(line (pt 92 12)(pt 92 4)(line_width 1))
		(line (pt 117 4)(pt 121 8)(line_width 1))
		(line (pt 117 12)(pt 121 8)(line_width 1))
	)
	(text "VCC" (rect 136 7 154 17)(font "Arial" (font_size 6)))
)
(pin
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	(rect -88 144 80 160)
	(text "INPUT" (rect 133 0 159 10)(font "Arial" (font_size 6)))
	(text "CLK" (rect 5 0 24 12)(font "Arial" ))
	(pt 168 8)
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		(line (pt 117 4)(pt 121 8)(line_width 1))
		(line (pt 117 12)(pt 121 8)(line_width 1))
	)
	(text "VCC" (rect 136 7 154 17)(font "Arial" (font_size 6)))
)
(pin
	(output)
	(rect 416 224 592 240)
	(text "OUTPUT" (rect 1 0 37 10)(font "Arial" (font_size 6)))
	(text "CN" (rect 90 0 105 12)(font "Arial" ))
	(pt 0 8)
	(drawing
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		(line (pt 52 4)(pt 78 4)(line_width 1))
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		(line (pt 82 8)(pt 78 12)(line_width 1))
		(line (pt 78 12)(pt 82 8)(line_width 1))
	)
)
(pin
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	(rect 416 80 592 96)
	(text "OUTPUT" (rect 1 0 37 10)(font "Arial" (font_size 6)))
	(text "QL[3..0]" (rect 90 0 127 12)(font "Arial" ))
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	)
)
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	(rect 416 136 592 152)
	(text "OUTPUT" (rect 1 0 37 10)(font "Arial" (font_size 6)))
	(text "QH[3..0]" (rect 90 0 129 12)(font "Arial" ))
	(pt 0 8)
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	)
)
(symbol
	(rect 160 -8 280 176)
	(text "74160" (rect 41 0 79 16)(font "Arial" (font_size 10)))
	(text "inst" (rect 3 173 19 185)(font "Arial" ))
	(port
		(pt 0 160)
		(input)
		(text "CLK" (rect 21 152 43 166)(font "Arial" (font_size 8)))
		(text "CLK" (rect 21 152 43 166)(font "Arial" (font_size 8)))
		(line (pt 0 160)(pt 16 160)(line_width 1))
	)
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		(input)
		(text "ENT" (rect 21 97 41 111)(font "Arial" (font_size 8)))
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		(text "B" (rect 21 49 28 63)(font "Arial" (font_size 8)))
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		(text "C" (rect 21 65 28 79)(font "Arial" (font_size 8)))
		(line (pt 0 72)(pt 16 72)(line_width 1))
	)
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		(input)
		(text "D" (rect 21 81 28 95)(font "Arial" (font_size 8)))
		(text "D" (rect 21 81 28 95)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 16 88)(line_width 1))
	)
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		(text "LDN" (rect 21 17 43 31)(font "Arial" (font_size 8)))
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		(text "ENP" (rect 21 113 41 127)(font "Arial" (font_size 8)))
		(line (pt 0 120)(pt 16 120)(line_width 1))
	)
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		(input)
		(text "CLRN" (rect 21 129 50 143)(font "Arial" (font_size 8)))
		(text "CLRN" (rect 21 129 50 143)(font "Arial" (font_size 8)))
		(line (pt 0 136)(pt 8 136)(line_width 1))
	)
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		(pt 120 104)
		(output)
		(text "QD" (rect 84 97 100 111)(font "Arial" (font_size 8)))
		(text "QD" (rect 84 97 100 111)(font "Arial" (font_size 8)))
		(line (pt 104 104)(pt 120 104)(line_width 1))
	)
	(port
		(pt 120 56)
		(output)
		(text "QA" (rect 84 49 101 63)(font "Arial" (font_size 8)))
		(text "QA" (rect 84 49 101 63)(font "Arial" (font_size 8)))
		(line (pt 104 56)(pt 120 56)(line_width 1))
	)
	(port
		(pt 120 72)
		(output)
		(text "QB" (rect 84 65 100 79)(font "Arial" (font_size 8)))
		(text "QB" (rect 84 65 100 79)(font "Arial" (font_size 8)))
		(line (pt 104 72)(pt 120 72)(line_width 1))
	)
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		(output)
		(text "QC" (rect 84 81 100 95)(font "Arial" (font_size 8)))
		(text "QC" (rect 84 81 100 95)(font "Arial" (font_size 8)))
		(line (pt 104 88)(pt 120 88)(line_width 1))
	)
	(port
		(pt 120 120)
		(output)
		(text "RCO" (rect 76 113 100 127)(font "Arial" (font_size 8)))
		(text "RCO" (rect 76 113 100 127)(font "Arial" (font_size 8)))
		(line (pt 104 120)(pt 120 120)(line_width 1))
	)
	(drawing
		(text "COUNTER" (rect 40 169 92 183)(font "Arial" (font_size 8)))
		(line (pt 16 16)(pt 104 16)(line_width 1))
		(line (pt 16 168)(pt 104 168)(line_width 1))
		(line (pt 16 168)(pt 16 16)(line_width 1))
		(line (pt 104 168)(pt 104 16)(line_width 1))
		(circle (rect 8 20 16 28)(line_width 1))
		(circle (rect 8 132 16 140)(line_width 1))
	)
)
(symbol
	(rect 160 208 280 392)
	(text "74160" (rect 41 0 79 16)(font "Arial" (font_size 10)))
	(text "inst1" (rect 3 173 25 185)(font "Arial" ))
	(port
		(pt 0 160)
		(input)
		(text "CLK" (rect 21 152 43 166)(font "Arial" (font_size 8)))
		(text "CLK" (rect 21 152 43 166)(font "Arial" (font_size 8)))
		(line (pt 0 160)(pt 16 160)(line_width 1))
	)
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		(pt 0 104)
		(input)
		(text "ENT" (rect 21 97 41 111)(font "Arial" (font_size 8)))
		(text "ENT" (rect 21 97 41 111)(font "Arial" (font_size 8)))
		(line (pt 0 104)(pt 16 104)(line_width 1))
	)
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		(input)
		(text "A" (rect 21 33 29 47)(font "Arial" (font_size 8)))
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		(line (pt 0 40)(pt 16 40)(line_width 1))
	)
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		(text "C" (rect 21 65 28 79)(font "Arial" (font_size 8)))
		(line (pt 0 72)(pt 16 72)(line_width 1))
	)
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		(pt 0 88)
		(input)
		(text "D" (rect 21 81 28 95)(font "Arial" (font_size 8)))
		(text "D" (rect 21 81 28 95)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 16 88)(line_width 1))
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		(line (pt 0 24)(pt 8 24)(line_width 1))
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		(text "ENP" (rect 21 113 41 127)(font "Arial" (font_size 8)))
		(line (pt 0 120)(pt 16 120)(line_width 1))
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		(line (pt 0 136)(pt 8 136)(line_width 1))
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		(text "QD" (rect 84 97 100 111)(font "Arial" (font_size 8)))
		(line (pt 104 104)(pt 120 104)(line_width 1))
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		(text "QA" (rect 84 49 101 63)(font "Arial" (font_size 8)))
		(line (pt 104 56)(pt 120 56)(line_width 1))
	)
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		(text "QB" (rect 84 65 100 79)(font "Arial" (font_size 8)))
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	(port
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		(text "QC" (rect 84 81 100 95)(font "Arial" (font_size 8)))
		(line (pt 104 88)(pt 120 88)(line_width 1))
	)
	(port
		(pt 120 120)
		(output)
		(text "RCO" (rect 76 113 100 127)(font "Arial" (font_size 8)))
		(text "RCO" (rect 76 113 100 127)(font "Arial" (font_size 8)))
		(line (pt 104 120)(pt 120 120)(line_width 1))

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