_232_to_fifo.bsf

多功能卡的源代码

/*
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) 1991-2008 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 16 232 176)
	(text "_232_to_fifo" (rect 5 0 76 14)(font "Arial" (font_size 8)))
	(text "inst" (rect 8 144 25 156)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "sdin" (rect 0 0 23 14)(font "Arial" (font_size 8)))
		(text "sdin" (rect 21 27 44 41)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "r_enable" (rect 0 0 49 14)(font "Arial" (font_size 8)))
		(text "r_enable" (rect 21 43 70 57)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "reset" (rect 0 0 29 14)(font "Arial" (font_size 8)))
		(text "reset" (rect 21 59 50 73)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "clk_sel" (rect 0 0 38 14)(font "Arial" (font_size 8)))
		(text "clk_sel" (rect 21 75 59 89)(font "Arial" (font_size 8)))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 0 96)
		(input)
		(text "clock" (rect 0 0 29 14)(font "Arial" (font_size 8)))
		(text "clock" (rect 21 91 50 105)(font "Arial" (font_size 8)))
		(line (pt 0 96)(pt 16 96)(line_width 1))
	)
	(port
		(pt 0 112)
		(input)
		(text "readn" (rect 0 0 33 14)(font "Arial" (font_size 8)))
		(text "readn" (rect 21 107 54 121)(font "Arial" (font_size 8)))
		(line (pt 0 112)(pt 16 112)(line_width 1))
	)
	(port
		(pt 216 32)
		(output)
		(text "half_full" (rect 0 0 44 14)(font "Arial" (font_size 8)))
		(text "half_full" (rect 151 27 195 41)(font "Arial" (font_size 8)))
		(line (pt 216 32)(pt 200 32)(line_width 1))
	)
	(port
		(pt 216 48)
		(output)
		(text "empty" (rect 0 0 34 14)(font "Arial" (font_size 8)))
		(text "empty" (rect 161 43 195 57)(font "Arial" (font_size 8)))
		(line (pt 216 48)(pt 200 48)(line_width 1))
	)
	(port
		(pt 216 64)
		(output)
		(text "fifo_out[15..0]" (rect 0 0 79 14)(font "Arial" (font_size 8)))
		(text "fifo_out[15..0]" (rect 116 59 195 73)(font "Arial" (font_size 8)))
		(line (pt 216 64)(pt 200 64)(line_width 3))
	)
	(port
		(pt 216 80)
		(output)
		(text "_232_fifo_num[8..0]" (rect 0 0 113 14)(font "Arial" (font_size 8)))
		(text "_232_fifo_num[8..0]" (rect 82 75 195 89)(font "Arial" (font_size 8)))
		(line (pt 216 80)(pt 200 80)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 200 144)(line_width 1))
	)
)