user_interface.bsf

sdram 控制器的verilog 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) 1991-2007 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 16 296 208)
	(text "user_interface" (rect 5 0 75 12)(font "Arial" ))
	(text "inst" (rect 8 176 25 188)(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 "rst_n" (rect 0 0 24 12)(font "Arial" ))
		(text "rst_n" (rect 21 43 45 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "read_ack" (rect 0 0 44 12)(font "Arial" ))
		(text "read_ack" (rect 21 59 65 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "write_ack" (rect 0 0 46 12)(font "Arial" ))
		(text "write_ack" (rect 21 75 67 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 0 96)
		(input)
		(text "r_data_valid" (rect 0 0 60 12)(font "Arial" ))
		(text "r_data_valid" (rect 21 91 81 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 1))
	)
	(port
		(pt 0 112)
		(input)
		(text "w_data_valid" (rect 0 0 63 12)(font "Arial" ))
		(text "w_data_valid" (rect 21 107 84 119)(font "Arial" ))
		(line (pt 0 112)(pt 16 112)(line_width 1))
	)
	(port
		(pt 0 128)
		(input)
		(text "data_from_sdram[15..0]" (rect 0 0 119 12)(font "Arial" ))
		(text "data_from_sdram[15..0]" (rect 21 123 140 135)(font "Arial" ))
		(line (pt 0 128)(pt 16 128)(line_width 3))
	)
	(port
		(pt 0 144)
		(input)
		(text "setup_done" (rect 0 0 56 12)(font "Arial" ))
		(text "setup_done" (rect 21 139 77 151)(font "Arial" ))
		(line (pt 0 144)(pt 16 144)(line_width 1))
	)
	(port
		(pt 280 32)
		(output)
		(text "read_req" (rect 0 0 42 12)(font "Arial" ))
		(text "read_req" (rect 217 27 259 39)(font "Arial" ))
		(line (pt 280 32)(pt 264 32)(line_width 1))
	)
	(port
		(pt 280 48)
		(output)
		(text "write_req" (rect 0 0 43 12)(font "Arial" ))
		(text "write_req" (rect 216 43 259 55)(font "Arial" ))
		(line (pt 280 48)(pt 264 48)(line_width 1))
	)
	(port
		(pt 280 64)
		(output)
		(text "burst_len[8..0]" (rect 0 0 70 12)(font "Arial" ))
		(text "burst_len[8..0]" (rect 189 59 259 71)(font "Arial" ))
		(line (pt 280 64)(pt 264 64)(line_width 3))
	)
	(port
		(pt 280 80)
		(output)
		(text "sys_addr[21..0]" (rect 0 0 77 12)(font "Arial" ))
		(text "sys_addr[21..0]" (rect 182 75 259 87)(font "Arial" ))
		(line (pt 280 80)(pt 264 80)(line_width 3))
	)
	(port
		(pt 280 96)
		(output)
		(text "data_to_sdram[15..0]" (rect 0 0 105 12)(font "Arial" ))
		(text "data_to_sdram[15..0]" (rect 154 91 259 103)(font "Arial" ))
		(line (pt 280 96)(pt 264 96)(line_width 3))
	)
	(parameter
		"wait_setup"
		"B\"000001\""
		""
	)
	(parameter
		"gen_write_req"
		"B\"000010\""
		""
	)
	(parameter
		"wait_write_ack"
		"B\"000100\""
		""
	)
	(parameter
		"gen_read_req"
		"B\"001000\""
		""
	)
	(parameter
		"wait_read_ack"
		"B\"010000\""
		""
	)
	(parameter
		"idle"
		"B\"100000\""
		""
	)
	(parameter
		"Tp"
		"3"
		""
	)
	(drawing
		(rectangle (rect 16 16 264 176)(line_width 1))
	)
	(annotation_block (parameter)(rect 296 -64 396 16))
)