multp.bsf

复乘法器的FPGA实现

/*
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 "symbol" (version "1.1"))
(symbol
	(rect 0 0 168 144)
	(text "MULTP" (rect 63 1 113 17)(font "Arial" (font_size 10)))
	(text "inst" (rect 8 128 25 140)(font "Arial" ))
	(port
		(pt 0 56)
		(input)
		(text "dataa[15..0]" (rect 0 0 67 14)(font "Arial" (font_size 8)))
		(text "dataa[15..0]" (rect 4 43 61 56)(font "Arial" (font_size 8)))
		(line (pt 0 56)(pt 72 56)(line_width 3))
	)
	(port
		(pt 0 88)
		(input)
		(text "datab[15..0]" (rect 0 0 67 14)(font "Arial" (font_size 8)))
		(text "datab[15..0]" (rect 4 75 61 88)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 72 88)(line_width 3))
	)
	(port
		(pt 0 32)
		(input)
		(text "clock" (rect 0 0 29 14)(font "Arial" (font_size 8)))
		(text "clock" (rect 4 19 27 32)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 88 32)(line_width 1))
	)
	(port
		(pt 0 112)
		(input)
		(text "aclr" (rect 0 0 21 14)(font "Arial" (font_size 8)))
		(text "aclr" (rect 4 99 21 112)(font "Arial" (font_size 8)))
		(line (pt 0 112)(pt 88 112)(line_width 1))
	)
	(port
		(pt 0 128)
		(input)
		(text "clken" (rect 0 0 29 14)(font "Arial" (font_size 8)))
		(text "clken" (rect 4 115 28 128)(font "Arial" (font_size 8)))
		(line (pt 0 128)(pt 100 128)(line_width 1))
	)
	(port
		(pt 168 72)
		(output)
		(text "result[31..0]" (rect 0 0 67 14)(font "Arial" (font_size 8)))
		(text "result[31..0]" (rect 108 59 163 72)(font "Arial" (font_size 8)))
		(line (pt 168 72)(pt 104 72)(line_width 3))
	)
	(drawing
		(text "Signed" (rect 105 73 133 85)(font "Arial" ))
		(text "multiplication" (rect 105 83 159 95)(font "Arial" ))
		(line (pt 82 66)(pt 94 78)(line_width 3))
		(line (pt 82 78)(pt 94 66)(line_width 3))
		(line (pt 72 56)(pt 77 61)(line_width 3))
		(line (pt 72 88)(pt 77 83)(line_width 3))
		(line (pt 88 32)(pt 88 56)(line_width 1))
		(line (pt 88 112)(pt 88 87)(line_width 1))
		(line (pt 100 128)(pt 100 87)(line_width 1))
		(line (pt 100 87)(pt 96 83)(line_width 1))
		(circle (rect 72 56 104 88)(line_width 1))
	)
)