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📄 coswave.bdf

📁 主要是通过Altera公司的Cuclone系列的FPGA-EP1C3T144C8产生余弦波的源代码 基于LPM-ROM余弦波一周期含有256个10位数据;
💻 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) 1991-2005 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 -56 136 112 152)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "clock" (rect 5 0 30 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)))
)
(pin
	(input)
	(rect -56 168 112 184)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "clk_en" (rect 5 0 36 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)))
)
(pin
	(input)
	(rect -56 232 112 248)
	(text "INPUT" (rect 133 0 161 10)(font "Arial" (font_size 6)))
	(text "reset" (rect 5 0 29 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)))
)
(pin
	(output)
	(rect 600 152 776 168)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "q[9..0]" (rect 90 0 121 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 376 120 536 200)
	(text "data_rom" (rect 53 1 116 17)(font "Arial" (font_size 10)))
	(text "inst" (rect 8 64 25 76)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "address[7..0]" (rect 0 0 75 14)(font "Arial" (font_size 8)))
		(text "address[7..0]" (rect 20 26 95 40)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 3))
	)
	(port
		(pt 0 48)
		(input)
		(text "inclock" (rect 0 0 38 14)(font "Arial" (font_size 8)))
		(text "inclock" (rect 26 42 64 56)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 160 40)
		(output)
		(text "q[9..0]" (rect 0 0 35 14)(font "Arial" (font_size 8)))
		(text "q[9..0]" (rect 111 34 146 48)(font "Arial" (font_size 8)))
		(line (pt 160 40)(pt 144 40)(line_width 3))
	)
	(drawing
		(line (pt 16 16)(pt 144 16)(line_width 1))
		(line (pt 144 16)(pt 144 64)(line_width 1))
		(line (pt 144 64)(pt 16 64)(line_width 1))
		(line (pt 16 64)(pt 16 16)(line_width 1))
		(line (pt 16 42)(pt 22 48)(line_width 1))
		(line (pt 22 48)(pt 16 54)(line_width 1))
	)
)
(symbol
	(rect 184 112 328 208)
	(text "lpm_conter8" (rect 37 1 120 17)(font "Arial" (font_size 10)))
	(text "inst1" (rect 8 80 31 92)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clock" (rect 0 0 29 14)(font "Arial" (font_size 8)))
		(text "clock" (rect 26 26 55 40)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "clk_en" (rect 0 0 36 14)(font "Arial" (font_size 8)))
		(text "clk_en" (rect 20 42 56 56)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 80 96)
		(input)
		(text "aclr" (rect 0 0 14 21)(font "Arial" (font_size 8))(vertical))
		(text "aclr" (rect 73 59 87 80)(font "Arial" (font_size 8))(vertical))
		(line (pt 80 96)(pt 80 80)(line_width 1))
	)
	(port
		(pt 144 40)
		(output)
		(text "q[7..0]" (rect 0 0 35 14)(font "Arial" (font_size 8)))
		(text "q[7..0]" (rect 95 34 130 48)(font "Arial" (font_size 8)))
		(line (pt 144 40)(pt 128 40)(line_width 3))
	)
	(drawing
		(text "up counter" (rect 84 17 135 29)(font "Arial" ))
		(line (pt 16 16)(pt 128 16)(line_width 1))
		(line (pt 128 16)(pt 128 80)(line_width 1))
		(line (pt 128 80)(pt 16 80)(line_width 1))
		(line (pt 16 80)(pt 16 16)(line_width 1))
		(line (pt 16 26)(pt 22 32)(line_width 1))
		(line (pt 22 32)(pt 16 38)(line_width 1))
	)
)
(connector
	(pt 112 176)
	(pt 144 176)
)
(connector
	(pt 144 176)
	(pt 144 160)
)
(connector
	(pt 144 160)
	(pt 184 160)
)
(connector
	(pt 112 240)
	(pt 264 240)
)
(connector
	(pt 264 240)
	(pt 264 208)
)
(connector
	(pt 160 144)
	(pt 160 264)
)
(connector
	(pt 160 264)
	(pt 360 264)
)
(connector
	(pt 112 144)
	(pt 160 144)
)
(connector
	(pt 160 144)
	(pt 184 144)
)
(connector
	(pt 360 264)
	(pt 360 168)
)
(connector
	(pt 360 168)
	(pt 376 168)
)
(connector
	(pt 328 152)
	(pt 376 152)
	(bus)
)
(connector
	(pt 536 160)
	(pt 600 160)
	(bus)
)
(junction (pt 160 144))

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