usb_t.bsf

这是一个在MAX II CPLD利用FT245BM 模块实现USB传输的读写程序

/*
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 16 272 144)
	(text "USB_T" (rect 5 0 39 12)(font "Arial" ))
	(text "inst" (rect 8 112 25 124)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "Clock" (rect 0 0 28 12)(font "Arial" ))
		(text "Clock" (rect 21 27 49 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "Reset" (rect 0 0 29 12)(font "Arial" ))
		(text "Reset" (rect 21 43 50 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "EnablePassivesController" (rect 0 0 126 12)(font "Arial" ))
		(text "EnablePassivesController" (rect 21 59 147 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "TXE_n" (rect 0 0 30 12)(font "Arial" ))
		(text "TXE_n" (rect 21 75 51 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 0 96)
		(input)
		(text "RXF_n" (rect 0 0 33 12)(font "Arial" ))
		(text "RXF_n" (rect 21 91 54 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 1))
	)
	(port
		(pt 256 32)
		(output)
		(text "USB_WU" (rect 0 0 47 12)(font "Arial" ))
		(text "USB_WU" (rect 188 27 235 39)(font "Arial" ))
		(line (pt 256 32)(pt 240 32)(line_width 1))
	)
	(port
		(pt 256 48)
		(output)
		(text "Data2USB[7..0]" (rect 0 0 77 12)(font "Arial" ))
		(text "Data2USB[7..0]" (rect 158 43 235 55)(font "Arial" ))
		(line (pt 256 48)(pt 240 48)(line_width 3))
	)
	(port
		(pt 256 64)
		(output)
		(text "USB_WR" (rect 0 0 47 12)(font "Arial" ))
		(text "USB_WR" (rect 188 59 235 71)(font "Arial" ))
		(line (pt 256 64)(pt 240 64)(line_width 1))
	)
	(port
		(pt 256 80)
		(output)
		(text "TriEnableIn" (rect 0 0 54 12)(font "Arial" ))
		(text "TriEnableIn" (rect 181 75 235 87)(font "Arial" ))
		(line (pt 256 80)(pt 240 80)(line_width 1))
	)
	(port
		(pt 256 96)
		(output)
		(text "TriEnableDout" (rect 0 0 68 12)(font "Arial" ))
		(text "TriEnableDout" (rect 167 91 235 103)(font "Arial" ))
		(line (pt 256 96)(pt 240 96)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 240 112)(line_width 1))
	)
)