zzz.bdf

eda 开发数字钟的设计具体编程代码和开发流程与设计图

/*
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) 1991-2004 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 "1.3"))
(pin
	(input)
	(rect 240 136 408 152)
	(text "INPUT" (rect 133 0 161 9)(font "Arial" (font_size 6)))
	(text "CLK20M" (rect 5 0 46 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 117 4)(pt 121 8)(line_width 1))
		(line (pt 117 12)(pt 121 8)(line_width 1))
	)
	(text "VCC" (rect 136 7 153 17)(font "Arial" (font_size 6)))
)
(symbol
	(rect 200 16 336 64)
	(text "CLOCK2" (rect 40 -1 96 15)(font "Courier New" (font_size 10)(bold)))
	(text "inst" (rect 3 36 17 46)(font "Arial" (font_size 6)))
	(port
		(pt 0 24)
		(input)
		(text "clkin" (rect 20 20 49 32)(font "Courier New" (bold)))
		(text "clkin" (rect 20 20 49 32)(font "Courier New" (bold)))
		(line (pt 0 24)(pt 16 24)(line_width 1))
	)
	(port
		(pt 136 24)
		(output)
		(text "clkout" (rect 88 20 123 32)(font "Courier New" (bold)))
		(text "clkout" (rect 88 20 123 32)(font "Courier New" (bold)))
		(line (pt 120 24)(pt 136 24)(line_width 1))
	)
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)
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	(rect 440 80 680 256)
	(text "CYC_PLL" (rect 92 0 159 16)(font "Arial" (font_size 10)))
	(text "inst1" (rect 8 160 31 172)(font "Arial" ))
	(port
		(pt 0 64)
		(input)
		(text "inclk0" (rect 0 0 31 14)(font "Arial" (font_size 8)))
		(text "inclk0" (rect 4 51 35 65)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 40 64)(line_width 1))
	)
	(port
		(pt 240 64)
		(output)
		(text "c0" (rect 0 0 14 14)(font "Arial" (font_size 8)))
		(text "c0" (rect 225 51 239 65)(font "Arial" (font_size 8)))
		(line (pt 240 64)(pt 208 64)(line_width 1))
	)
	(port
		(pt 240 80)
		(output)
		(text "c1" (rect 0 0 14 14)(font "Arial" (font_size 8)))
		(text "c1" (rect 225 67 239 81)(font "Arial" (font_size 8)))
		(line (pt 240 80)(pt 208 80)(line_width 1))
	)
	(drawing
		(text "Cyclone" (rect 197 161 232 173)(font "Arial" ))
		(text "inclk0 frequency: 20.000 MHz" (rect 50 59 175 71)(font "Arial" ))
		(text "Operation Mode: Normal" (rect 50 73 151 85)(font "Arial" ))
		(text "Clk " (rect 51 96 68 108)(font "Arial" ))
		(text "Ratio" (rect 73 96 95 108)(font "Arial" ))
		(text "Ph (dg)" (rect 100 96 130 108)(font "Arial" ))
		(text "DC (%)" (rect 135 96 166 108)(font "Arial" ))
		(text "c0" (rect 54 111 64 123)(font "Arial" ))
		(text "6/5" (rect 78 111 91 123)(font "Arial" ))
		(text "0.00" (rect 106 111 124 123)(font "Arial" ))
		(text "50.00" (rect 139 111 162 123)(font "Arial" ))
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		(text "3/1" (rect 78 126 91 138)(font "Arial" ))
		(text "0.00" (rect 106 126 124 138)(font "Arial" ))
		(text "50.00" (rect 139 126 162 138)(font "Arial" ))
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)
(line (pt 440 144)(pt 400 144)(line_width 1))
(line (pt 256 208)(pt 240 208)(line_width 1))