fifo.bsf

来自「基于Quartus II FPGA/CPLD数字系统设计实例（VHDL源代码文件」· BSF 代码 · 共 86 行

/*
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) 1991-2007 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 from 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 16 16 160 144)
	(text "fifo" (rect 5 0 22 12)(font "Arial" ))
	(text "inst" (rect 8 112 25 124)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 27 35 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "clr" (rect 0 0 11 12)(font "Arial" ))
		(text "clr" (rect 21 43 32 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "wr" (rect 0 0 10 12)(font "Arial" ))
		(text "wr" (rect 21 59 31 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "rd" (rect 0 0 9 12)(font "Arial" ))
		(text "rd" (rect 21 75 30 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 0 96)
		(input)
		(text "din[7..0]" (rect 0 0 40 12)(font "Arial" ))
		(text "din[7..0]" (rect 21 91 61 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 3))
	)
	(port
		(pt 144 32)
		(output)
		(text "dout[7..0]" (rect 0 0 47 12)(font "Arial" ))
		(text "dout[7..0]" (rect 76 27 123 39)(font "Arial" ))
		(line (pt 144 32)(pt 128 32)(line_width 3))
	)
	(port
		(pt 144 48)
		(output)
		(text "empty" (rect 0 0 31 12)(font "Arial" ))
		(text "empty" (rect 92 43 123 55)(font "Arial" ))
		(line (pt 144 48)(pt 128 48)(line_width 1))
	)
	(port
		(pt 144 64)
		(output)
		(text "full" (rect 0 0 15 12)(font "Arial" ))
		(text "full" (rect 108 59 123 71)(font "Arial" ))
		(line (pt 144 64)(pt 128 64)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 128 112)(line_width 1))
	)
)