wave_generator.bdf

用LPM_ROM设计存放一个周期的256×8大小的rom,构建简易频率可控的正弦波发生器。

/*
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
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	(rect 0 56 168 72)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "clk" (rect 5 0 19 12)(font "Arial" ))
	(pt 168 8)
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	(annotation_block (location)(rect -88 72 0 104))
)
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	(rect 0 72 168 88)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
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)
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	(rect 472 56 648 72)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "data[7..0]" (rect 90 0 137 12)(font "Arial" ))
	(pt 0 8)
	(drawing
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	(annotation_block (location)(rect 696 72 784 200))
)
(symbol
	(rect 304 32 464 96)
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		(input)
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		(text "address[7..0]" (rect 20 26 95 40)(font "Arial" (font_size 8)))
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)
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		(pt 0 32)
		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 27 35 39)(font "Arial" ))
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	(drawing
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	)
)
(connector
	(pt 168 64)
	(pt 176 64)
)
(connector
	(pt 168 80)
	(pt 176 80)
)
(connector
	(pt 296 64)
	(pt 304 64)
	(bus)
)
(connector
	(pt 464 64)
	(pt 472 64)
	(bus)
)