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📄 count.bdf

📁 是一些很好的FPGA设计实例
💻 BDF
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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) 1991-2006 Altera Corporation
Your use of Altera Corporation's design tools, logic functions 
and other software and tools, and its AMPP partner logic 
functions, and any output files any of the foregoing 
(including device programming or simulation files), and any 
associated documentation or information are expressly subject 
to the terms and conditions of the Altera Program License 
Subscription Agreement, Altera MegaCore Function License 
Agreement, or other applicable license agreement, including, 
without limitation, that your use is for the sole purpose of 
programming logic devices manufactured by Altera and sold by 
Altera or its authorized distributors.  Please refer to the 
applicable agreement for further details.
*/
(header "graphic" (version "1.3"))
(pin
	(input)
	(rect -72 256 96 272)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "clk" (rect 5 0 19 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 7 156 17)(font "Arial" (font_size 6)))
	(annotation_block (location)(rect -120 272 -72 288))
)
(pin
	(input)
	(rect -128 208 40 224)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "EN" (rect 5 0 20 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 7 156 17)(font "Arial" (font_size 6)))
	(annotation_block (location)(rect -176 224 -128 240))
)
(pin
	(output)
	(rect 696 264 872 280)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "Q[3..0]" (rect 90 0 124 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 52 4)(pt 78 4)(line_width 1))
		(line (pt 52 12)(pt 78 12)(line_width 1))
		(line (pt 52 12)(pt 52 4)(line_width 1))
		(line (pt 78 4)(pt 82 8)(line_width 1))
		(line (pt 82 8)(pt 78 12)(line_width 1))
		(line (pt 78 12)(pt 82 8)(line_width 1))
	)
)
(symbol
	(rect 192 184 312 296)
	(text "7493" (rect 45 1 78 17)(font "Arial" (font_size 10)))
	(text "inst1" (rect 3 101 26 113)(font "Arial" ))
	(port
		(pt 0 24)
		(input)
		(text "RO1" (rect 20 18 44 32)(font "Arial" (font_size 8)))
		(text "RO1" (rect 20 18 44 32)(font "Arial" (font_size 8)))
		(line (pt 0 24)(pt 16 24)(line_width 1))
	)
	(port
		(pt 0 40)
		(input)
		(text "RO2" (rect 20 34 44 48)(font "Arial" (font_size 8)))
		(text "RO2" (rect 20 34 44 48)(font "Arial" (font_size 8)))
		(line (pt 0 40)(pt 16 40)(line_width 1))
	)
	(port
		(pt 0 72)
		(input)
		(text "CLKA" (rect 20 66 53 80)(font "Arial" (font_size 8)))
		(text "CLKA" (rect 20 66 53 80)(font "Arial" (font_size 8)))
		(line (pt 0 72)(pt 16 72)(line_width 1))
	)
	(port
		(pt 0 88)
		(input)
		(text "CLKB" (rect 20 82 51 96)(font "Arial" (font_size 8)))
		(text "CLKB" (rect 20 82 51 96)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 16 88)(line_width 1))
	)
	(port
		(pt 120 56)
		(output)
		(text "QC" (rect 86 50 103 64)(font "Arial" (font_size 8)))
		(text "QC" (rect 86 50 103 64)(font "Arial" (font_size 8)))
		(line (pt 104 56)(pt 120 56)(line_width 1))
	)
	(port
		(pt 120 40)
		(output)
		(text "QB" (rect 86 34 103 48)(font "Arial" (font_size 8)))
		(text "QB" (rect 86 34 103 48)(font "Arial" (font_size 8)))
		(line (pt 104 40)(pt 120 40)(line_width 1))
	)
	(port
		(pt 120 24)
		(output)
		(text "QA" (rect 86 18 104 32)(font "Arial" (font_size 8)))
		(text "QA" (rect 86 18 104 32)(font "Arial" (font_size 8)))
		(line (pt 104 24)(pt 120 24)(line_width 1))
	)
	(port
		(pt 120 72)
		(output)
		(text "QD" (rect 86 66 103 80)(font "Arial" (font_size 8)))
		(text "QD" (rect 86 66 103 80)(font "Arial" (font_size 8)))
		(line (pt 104 72)(pt 120 72)(line_width 1))
	)
	(drawing
		(text "COUNTER" (rect 34 98 90 112)(font "Arial" (font_size 8)))
		(line (pt 16 96)(pt 104 96)(line_width 1))
		(line (pt 16 16)(pt 104 16)(line_width 1))
		(line (pt 104 96)(pt 104 16)(line_width 1))
		(line (pt 16 96)(pt 16 16)(line_width 1))
	)
)
(symbol
	(rect 336 96 368 128)
	(text "GND" (rect 8 6 29 16)(font "Arial" (font_size 6)))
	(text "inst2" (rect 3 -1 26 11)(font "Arial" )(invisible))
	(port
		(pt 16 32)
		(output)
		(text "1" (rect 18 0 23 12)(font "Courier New" (bold))(invisible))
		(text "1" (rect 18 20 23 32)(font "Courier New" (bold))(invisible))
		(line (pt 16 24)(pt 16 32)(line_width 1))
	)
	(drawing
		(line (pt 8 24)(pt 16 16)(line_width 1))
		(line (pt 16 16)(pt 24 24)(line_width 1))
		(line (pt 8 24)(pt 24 24)(line_width 1))
	)
	(flipx)
)
(symbol
	(rect 376 168 496 328)
	(text "74138" (rect 42 0 83 16)(font "Arial" (font_size 10)))
	(text "inst5" (rect 3 149 26 161)(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 "G1" (rect 22 81 38 95)(font "Arial" (font_size 8)))
		(text "G1" (rect 22 81 38 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 "G2AN" (rect 22 97 56 111)(font "Arial" (font_size 8)))
		(text "G2AN" (rect 22 97 56 111)(font "Arial" (font_size 8)))
		(line (pt 0 104)(pt 8 104)(line_width 1))
	)
	(port
		(pt 0 120)
		(input)
		(text "G2BN" (rect 22 113 55 127)(font "Arial" (font_size 8)))
		(text "G2BN" (rect 22 113 55 127)(font "Arial" (font_size 8)))
		(line (pt 0 120)(pt 8 120)(line_width 1))
	)
	(port
		(pt 120 24)
		(output)
		(text "Y0N" (rect 77 17 101 31)(font "Arial" (font_size 8)))
		(text "Y0N" (rect 77 17 101 31)(font "Arial" (font_size 8)))
		(line (pt 112 24)(pt 120 24)(line_width 1))
	)
	(port
		(pt 120 40)
		(output)
		(text "Y1N" (rect 77 33 101 47)(font "Arial" (font_size 8)))
		(text "Y1N" (rect 77 33 101 47)(font "Arial" (font_size 8)))
		(line (pt 112 40)(pt 120 40)(line_width 1))
	)
	(port
		(pt 120 56)
		(output)
		(text "Y2N" (rect 77 49 101 63)(font "Arial" (font_size 8)))
		(text "Y2N" (rect 77 49 101 63)(font "Arial" (font_size 8)))
		(line (pt 112 56)(pt 120 56)(line_width 1))
	)
	(port
		(pt 120 72)
		(output)
		(text "Y3N" (rect 77 65 101 79)(font "Arial" (font_size 8)))
		(text "Y3N" (rect 77 65 101 79)(font "Arial" (font_size 8)))
		(line (pt 112 72)(pt 120 72)(line_width 1))
	)
	(port
		(pt 120 88)
		(output)
		(text "Y4N" (rect 77 81 101 95)(font "Arial" (font_size 8)))
		(text "Y4N" (rect 77 81 101 95)(font "Arial" (font_size 8)))
		(line (pt 112 88)(pt 120 88)(line_width 1))
	)
	(port
		(pt 120 104)
		(output)
		(text "Y5N" (rect 77 97 101 111)(font "Arial" (font_size 8)))
		(text "Y5N" (rect 77 97 101 111)(font "Arial" (font_size 8)))
		(line (pt 112 104)(pt 120 104)(line_width 1))
	)
	(port
		(pt 120 120)
		(output)
		(text "Y6N" (rect 77 113 101 127)(font "Arial" (font_size 8)))
		(text "Y6N" (rect 77 113 101 127)(font "Arial" (font_size 8)))
		(line (pt 112 120)(pt 120 120)(line_width 1))
	)
	(port
		(pt 120 136)
		(output)
		(text "Y7N" (rect 77 129 101 143)(font "Arial" (font_size 8)))
		(text "Y7N" (rect 77 129 101 143)(font "Arial" (font_size 8)))
		(line (pt 112 136)(pt 120 136)(line_width 1))
	)
	(drawing
		(text "3:8 DECODER" (rect 28 145 105 159)(font "Arial" (font_size 8)))
		(line (pt 16 16)(pt 104 16)(line_width 1))
		(line (pt 16 144)(pt 104 144)(line_width 1))
		(line (pt 16 144)(pt 16 16)(line_width 1))
		(line (pt 104 144)(pt 104 16)(line_width 1))
		(circle (rect 104 68 112 76)(line_width 1))
		(circle (rect 104 84 112 92)(line_width 1))
		(circle (rect 104 100 112 108)(line_width 1))
		(circle (rect 104 132 112 140)(line_width 1))
		(circle (rect 104 116 112 124)(line_width 1))
		(circle (rect 8 100 16 108)(line_width 1))
		(circle (rect 8 116 16 124)(line_width 1))
		(circle (rect 104 20 112 28)(line_width 1))
		(circle (rect 104 36 112 44)(line_width 1))
		(circle (rect 104 52 112 60)(line_width 1))
	)

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