multi_cpu.bdf

altera的fpga设计

		(output)
		(text "ddr_cke_from_the_ddr_sdram " (rect 0 0 175 14)(font "Arial" (font_size 8)))
		(text "ddr_cke_from_the_ddr_sdram " (rect 259 201 434 215)(font "Arial" (font_size 8)))
		(line (pt 416 208)(pt 432 208)(line_width 1))
	)
	(port
		(pt 432 224)
		(output)
		(text "ddr_cs_n_from_the_ddr_sdram " (rect 0 0 184 14)(font "Arial" (font_size 8)))
		(text "ddr_cs_n_from_the_ddr_sdram " (rect 253 217 437 231)(font "Arial" (font_size 8)))
		(line (pt 416 224)(pt 432 224)(line_width 1))
	)
	(port
		(pt 432 240)
		(output)
		(text "ddr_dm_from_the_ddr_sdram[1..0] " (rect 0 0 200 14)(font "Arial" (font_size 8)))
		(text "ddr_dm_from_the_ddr_sdram[1..0] " (rect 237 233 437 247)(font "Arial" (font_size 8)))
		(line (pt 416 240)(pt 432 240)(line_width 3))
	)
	(port
		(pt 432 288)
		(output)
		(text "ddr_ras_n_from_the_ddr_sdram " (rect 0 0 188 14)(font "Arial" (font_size 8)))
		(text "ddr_ras_n_from_the_ddr_sdram " (rect 249 281 437 295)(font "Arial" (font_size 8)))
		(line (pt 416 288)(pt 432 288)(line_width 1))
	)
	(port
		(pt 432 304)
		(output)
		(text "ddr_we_n_from_the_ddr_sdram " (rect 0 0 188 14)(font "Arial" (font_size 8)))
		(text "ddr_we_n_from_the_ddr_sdram " (rect 251 297 439 311)(font "Arial" (font_size 8)))
		(line (pt 416 304)(pt 432 304)(line_width 1))
	)
	(port
		(pt 432 336)
		(output)
		(text "ext_flash_enet_bus_address[23..0] " (rect 0 0 206 14)(font "Arial" (font_size 8)))
		(text "ext_flash_enet_bus_address[23..0] " (rect 237 329 443 343)(font "Arial" (font_size 8)))
		(line (pt 416 336)(pt 432 336)(line_width 3))
	)
	(port
		(pt 432 368)
		(output)
		(text "read_n_to_the_ext_flash " (rect 0 0 146 14)(font "Arial" (font_size 8)))
		(text "read_n_to_the_ext_flash " (rect 287 361 433 375)(font "Arial" (font_size 8)))
		(line (pt 416 368)(pt 432 368)(line_width 1))
	)
	(port
		(pt 432 384)
		(output)
		(text "select_n_to_the_ext_flash " (rect 0 0 154 14)(font "Arial" (font_size 8)))
		(text "select_n_to_the_ext_flash " (rect 280 377 434 391)(font "Arial" (font_size 8)))
		(line (pt 416 384)(pt 432 384)(line_width 1))
	)
	(port
		(pt 432 400)
		(output)
		(text "write_n_to_the_ext_flash " (rect 0 0 149 14)(font "Arial" (font_size 8)))
		(text "write_n_to_the_ext_flash " (rect 286 393 435 407)(font "Arial" (font_size 8)))
		(line (pt 416 400)(pt 432 400)(line_width 1))
	)
	(port
		(pt 432 432)
		(output)
		(text "address_to_the_ext_ssram[20..0] " (rect 0 0 195 14)(font "Arial" (font_size 8)))
		(text "address_to_the_ext_ssram[20..0] " (rect 244 425 439 439)(font "Arial" (font_size 8)))
		(line (pt 416 432)(pt 432 432)(line_width 3))
	)
	(port
		(pt 432 448)
		(output)
		(text "adsc_n_to_the_ext_ssram " (rect 0 0 155 14)(font "Arial" (font_size 8)))
		(text "adsc_n_to_the_ext_ssram " (rect 278 441 433 455)(font "Arial" (font_size 8)))
		(line (pt 416 448)(pt 432 448)(line_width 1))
	)
	(port
		(pt 432 464)
		(output)
		(text "bw_n_to_the_ext_ssram[3..0] " (rect 0 0 174 14)(font "Arial" (font_size 8)))
		(text "bw_n_to_the_ext_ssram[3..0] " (rect 264 457 438 471)(font "Arial" (font_size 8)))
		(line (pt 416 464)(pt 432 464)(line_width 3))
	)
	(port
		(pt 432 480)
		(output)
		(text "bwe_n_to_the_ext_ssram " (rect 0 0 153 14)(font "Arial" (font_size 8)))
		(text "bwe_n_to_the_ext_ssram " (rect 281 473 434 487)(font "Arial" (font_size 8)))
		(line (pt 416 480)(pt 432 480)(line_width 1))
	)
	(port
		(pt 432 496)
		(output)
		(text "chipenable1_n_to_the_ext_ssram " (rect 0 0 195 14)(font "Arial" (font_size 8)))
		(text "chipenable1_n_to_the_ext_ssram " (rect 242 489 437 503)(font "Arial" (font_size 8)))
		(line (pt 416 496)(pt 432 496)(line_width 1))
	)
	(port
		(pt 432 528)
		(output)
		(text "outputenable_n_to_the_ext_ssram " (rect 0 0 200 14)(font "Arial" (font_size 8)))
		(text "outputenable_n_to_the_ext_ssram " (rect 240 521 440 535)(font "Arial" (font_size 8)))
		(line (pt 416 528)(pt 432 528)(line_width 1))
	)
	(port
		(pt 432 560)
		(output)
		(text "out_port_from_the_led_pio[7..0] " (rect 0 0 184 14)(font "Arial" (font_size 8)))
		(text "out_port_from_the_led_pio[7..0] " (rect 252 553 436 567)(font "Arial" (font_size 8)))
		(line (pt 416 560)(pt 432 560)(line_width 3))
	)
	(port
		(pt 432 256)
		(bidir)
		(text "ddr_dq_to_and_from_the_ddr_sdram[15..0] " (rect 0 0 251 14)(font "Arial" (font_size 8)))
		(text "ddr_dq_to_and_from_the_ddr_sdram[15..0] " (rect 195 249 446 263)(font "Arial" (font_size 8)))
		(line (pt 416 256)(pt 432 256)(line_width 3))
	)
	(port
		(pt 432 272)
		(bidir)
		(text "ddr_dqs_to_and_from_the_ddr_sdram[1..0] " (rect 0 0 251 14)(font "Arial" (font_size 8)))
		(text "ddr_dqs_to_and_from_the_ddr_sdram[1..0] " (rect 195 265 446 279)(font "Arial" (font_size 8)))
		(line (pt 416 272)(pt 432 272)(line_width 3))
	)
	(port
		(pt 432 352)
		(bidir)
		(text "ext_flash_enet_bus_data[7..0] " (rect 0 0 177 14)(font "Arial" (font_size 8)))
		(text "ext_flash_enet_bus_data[7..0] " (rect 261 345 438 359)(font "Arial" (font_size 8)))
		(line (pt 416 352)(pt 432 352)(line_width 3))
	)
	(port
		(pt 432 512)
		(bidir)
		(text "data_to_and_from_the_ext_ssram[31..0] " (rect 0 0 234 14)(font "Arial" (font_size 8)))
		(text "data_to_and_from_the_ext_ssram[31..0] " (rect 210 505 444 519)(font "Arial" (font_size 8)))
		(line (pt 416 512)(pt 432 512)(line_width 3))
	)
	(drawing
		(line (pt 16 80)(pt 415 80)(color 0 0 0)(dotted)(line_width 1))
		(line (pt 16 112)(pt 415 112)(color 0 0 0)(dotted)(line_width 1))
		(line (pt 16 320)(pt 415 320)(color 0 0 0)(dotted)(line_width 1))
		(line (pt 16 416)(pt 415 416)(color 0 0 0)(dotted)(line_width 1))
		(line (pt 16 544)(pt 415 544)(color 0 0 0)(dotted)(line_width 1))
		(rectangle (rect 16 16 416 576)(line_width 1))
	)
)
(symbol
	(rect 1568 816 1600 832)
	(text "VCC" (rect 7 0 27 10)(font "Arial" (font_size 6)))
	(text "inst1" (rect 3 5 26 17)(font "Arial" )(invisible))
	(port
		(pt 16 16)
		(output)
		(text "1" (rect 19 7 24 19)(font "Courier New" (bold))(invisible))
		(text "1" (rect 19 7 24 19)(font "Courier New" (bold))(invisible))
		(line (pt 16 16)(pt 16 8)(line_width 1))
	)
	(drawing
		(line (pt 8 8)(pt 24 8)(line_width 1))
	)
)
(connector
	(text "ssram_be_n_temp[2]" (rect 1600 696 1703 708)(font "Arial" ))
	(pt 1704 712)
	(pt 1584 712)
)
(connector
	(text "ssram_be_n_temp[3]" (rect 1600 680 1703 692)(font "Arial" ))
	(pt 1704 696)
	(pt 1584 696)
)
(connector
	(text "ssram_be_n_temp[1]" (rect 1600 664 1703 676)(font "Arial" ))
	(pt 1704 680)
	(pt 1584 680)
)
(connector
	(text "ssram_be_n_temp[0]" (rect 1600 648 1703 660)(font "Arial" ))
	(pt 1704 664)
	(pt 1584 664)
)
(connector
	(text "address_to_the_ext_ssram[20..2]" (rect 1597 720 1762 732)(font "Arial" ))
	(pt 1704 736)
	(pt 1584 736)
	(bus)
)
(connector
	(pt 1704 800)
	(pt 1584 800)
)
(connector
	(pt 1584 784)
	(pt 1704 784)
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(connector
	(pt 1584 768)
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(connector
	(pt 1584 784)
	(pt 1584 800)
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(connector
	(pt 392 400)
	(pt 672 400)
	(bus)
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(connector
	(text "write_clk_to_the_ddr_sdram" (rect 546 416 682 428)(font "Arial" ))
	(pt 672 432)
	(pt 536 432)
)
(connector
	(pt 392 352)
	(pt 672 352)
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(connector
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(connector
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	(pt 1160 352)
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(connector
	(text "write_clk_to_the_ddr_sdram" (rect 1114 376 1250 388)(font "Arial" ))
	(pt 1104 368)
	(pt 1264 368)
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(connector
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(connector
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(connector
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(connector
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	(pt 1400 736)
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(connector
	(pt 1104 752)
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(connector
	(text "ssram_be_n_temp[3..0]" (rect 1112 752 1228 764)(font "Arial" ))
	(pt 1104 768)
	(pt 1400 768)
	(bus)
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(connector
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(connector
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(connector
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(connector
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(connector
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	(pt 1208 864)
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(connector
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	(pt 1160 864)
	(bus)
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(connector
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(junction (pt 1584 784))
(junction (pt 1584 904))
(junction (pt 1584 848))
(text "are reversed on the Nios II Development Board" (rect 1584 576 1934 592)(font "Arial" (font_size 10)(bold)))
(text "Note: The top two bytes of the SSRAM data" (rect 1584 560 1904 576)(font "Arial" (font_size 10)(bold)))
(text "are swapped here in the schematic." (rect 1584 624 1851 640)(font "Arial" (font_size 10)(bold)))
(text "bw_n_to_the_ext_ssram[2] and bw_n_to_the_ext_ssram[3]" (rect 1584 608 2013 624)(font "Arial" (font_size 10)(bold)))
(text "Cyclone II Edition.  To correct this, the signals" (rect 1584 592 1925 608)(font "Arial" (font_size 10)(bold)))