_232_test.bdf

多功能卡的源代码

		(text "q[7..0]" (rect 0 0 35 14)(font "Arial" (font_size 8)))
		(text "q[7..0]" (rect 111 26 146 40)(font "Arial" (font_size 8)))
		(line (pt 160 32)(pt 144 32)(line_width 3))
	)
	(port
		(pt 160 56)
		(output)
		(text "full" (rect 0 0 16 14)(font "Arial" (font_size 8)))
		(text "full" (rect 127 50 143 64)(font "Arial" (font_size 8)))
		(line (pt 160 56)(pt 144 56)(line_width 1))
	)
	(port
		(pt 160 72)
		(output)
		(text "almost_full" (rect 0 0 60 14)(font "Arial" (font_size 8)))
		(text "almost_full" (rect 90 66 150 80)(font "Arial" (font_size 8)))
		(line (pt 160 72)(pt 144 72)(line_width 1))
	)
	(port
		(pt 160 88)
		(output)
		(text "empty" (rect 0 0 34 14)(font "Arial" (font_size 8)))
		(text "empty" (rect 112 82 146 96)(font "Arial" (font_size 8)))
		(line (pt 160 88)(pt 144 88)(line_width 1))
	)
	(port
		(pt 160 104)
		(output)
		(text "usedw[8..0]" (rect 0 0 68 14)(font "Arial" (font_size 8)))
		(text "usedw[8..0]" (rect 83 98 151 112)(font "Arial" (font_size 8)))
		(line (pt 160 104)(pt 144 104)(line_width 3))
	)
	(drawing
		(text "(ack)" (rect 51 67 75 79)(font "Arial" ))
		(text "8 bits x 512 words" (rect 68 132 157 144)(font "Arial" ))
		(text "almost_full at 256" (rect 69 122 157 134)(font "Arial" ))
		(line (pt 16 16)(pt 144 16)(line_width 1))
		(line (pt 144 16)(pt 144 144)(line_width 1))
		(line (pt 144 144)(pt 16 144)(line_width 1))
		(line (pt 16 144)(pt 16 16)(line_width 1))
		(line (pt 16 116)(pt 144 116)(line_width 1))
		(line (pt 16 90)(pt 22 96)(line_width 1))
		(line (pt 22 96)(pt 16 102)(line_width 1))
	)
)
(symbol
	(rect 400 192 448 224)
	(text "NOT" (rect 1 0 21 10)(font "Arial" (font_size 6)))
	(text "29" (rect 3 21 14 33)(font "Arial" ))
	(port
		(pt 0 16)
		(input)
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(text "IN" (rect 2 7 13 19)(font "Courier New" (bold))(invisible))
		(line (pt 0 16)(pt 13 16)(line_width 1))
	)
	(port
		(pt 48 16)
		(output)
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 32 7 49 19)(font "Courier New" (bold))(invisible))
		(line (pt 39 16)(pt 48 16)(line_width 1))
	)
	(drawing
		(line (pt 13 25)(pt 13 7)(line_width 1))
		(line (pt 13 7)(pt 31 16)(line_width 1))
		(line (pt 13 25)(pt 31 16)(line_width 1))
		(circle (rect 31 12 39 20)(line_width 1))
	)
)
(connector
	(text "clk_txd" (rect 348 -32 383 -20)(font "Arial" ))
	(pt 344 -16)
	(pt 384 -16)
)
(connector
	(text "reset" (rect 346 -48 370 -36)(font "Arial" ))
	(pt 344 -32)
	(pt 384 -32)
)
(connector
	(text "clock" (rect 168 384 193 396)(font "Arial" ))
	(pt 208 400)
	(pt 160 400)
)
(connector
	(text "clk_sel" (rect 168 400 202 412)(font "Arial" ))
	(pt 208 416)
	(pt 160 416)
)
(connector
	(text "clk16x" (rect 352 400 383 412)(font "Arial" ))
	(pt 344 416)
	(pt 392 416)
)
(connector
	(text "write_fifo" (rect 840 104 886 116)(font "Arial" ))
	(pt 832 120)
	(pt 888 120)
)
(connector
	(text "clock" (rect 840 144 865 156)(font "Arial" ))
	(pt 888 160)
	(pt 832 160)
)
(connector
	(text "wrn" (rect 490 432 506 444)(font "Arial" ))
	(pt 536 448)
	(pt 480 448)
)
(connector
	(pt 712 488)
	(pt 712 496)
)
(connector
	(text "reset" (rect 650 480 674 492)(font "Arial" ))
	(pt 712 496)
	(pt 640 496)
)
(connector
	(pt 768 512)
	(pt 768 432)
)
(connector
	(pt 768 512)
	(pt 632 512)
)
(connector
	(pt 584 512)
	(pt 568 512)
)
(connector
	(pt 568 512)
	(pt 568 488)
)
(connector
	(text "H" (rect 505 416 513 428)(font "Arial" ))
	(pt 536 432)
	(pt 480 432)
)
(connector
	(text "/clock" (rect 648 432 677 444)(font "Arial" ))
	(pt 680 448)
	(pt 640 448)
)
(connector
	(text "write_fifo" (rect 756 416 802 428)(font "Arial" ))
	(pt 744 432)
	(pt 768 432)
)
(connector
	(text "Q1" (rect 635 416 649 428)(font "Arial" ))
	(pt 600 432)
	(pt 680 432)
)
(connector
	(text "wrn" (rect 752 96 768 108)(font "Arial" ))
	(pt 744 112)
	(pt 784 112)
)
(connector
	(text "fifo_out[7]" (rect 1022 472 1073 484)(font "Arial" ))
	(pt 1014 488)
	(pt 1070 488)
)
(connector
	(text "fifo_out[0]" (rect 1033 360 1084 372)(font "Arial" ))
	(pt 1014 376)
	(pt 1070 376)
)
(connector
	(text "fifo_out[1]" (rect 1032 376 1083 388)(font "Arial" ))
	(pt 1014 392)
	(pt 1070 392)
)
(connector
	(text "fifo_out[2]" (rect 1028 392 1079 404)(font "Arial" ))
	(pt 1014 408)
	(pt 1070 408)
)
(connector
	(text "fifo_out[3]" (rect 1026 408 1077 420)(font "Arial" ))
	(pt 1014 424)
	(pt 1070 424)
)
(connector
	(text "fifo_out[4]" (rect 1026 424 1077 436)(font "Arial" ))
	(pt 1014 440)
	(pt 1070 440)
)
(connector
	(text "fifo_out[5]" (rect 1026 440 1077 452)(font "Arial" ))
	(pt 1014 456)
	(pt 1070 456)
)
(connector
	(text "fifo_out[6]" (rect 1027 456 1078 468)(font "Arial" ))
	(pt 1014 472)
	(pt 1070 472)
)
(connector
	(pt 910 360)
	(pt 862 360)
)
(connector
	(pt 862 360)
	(pt 862 344)
)
(connector
	(pt 1158 360)
	(pt 1110 360)
)
(connector
	(pt 1110 360)
	(pt 1110 344)
)
(connector
	(text "fifo_out[8]" (rect 1281 360 1332 372)(font "Arial" ))
	(pt 1262 376)
	(pt 1318 376)
)
(connector
	(text "fifo_out[9]" (rect 1280 376 1331 388)(font "Arial" ))
	(pt 1262 392)
	(pt 1318 392)
)
(connector
	(text "fifo_out[10]" (rect 1276 392 1333 404)(font "Arial" ))
	(pt 1262 408)
	(pt 1318 408)
)
(connector
	(text "fifo_out[11]" (rect 1274 408 1331 420)(font "Arial" ))
	(pt 1262 424)
	(pt 1318 424)
)
(connector
	(text "fifo_out[12]" (rect 1274 424 1331 436)(font "Arial" ))
	(pt 1262 440)
	(pt 1318 440)
)
(connector
	(text "fifo_out[13]" (rect 1274 440 1331 452)(font "Arial" ))
	(pt 1262 456)
	(pt 1318 456)
)
(connector
	(text "fifo_out[14]" (rect 1275 456 1332 468)(font "Arial" ))
	(pt 1262 472)
	(pt 1318 472)
)
(connector
	(text "fifo_out[15]" (rect 1270 472 1327 484)(font "Arial" ))
	(pt 1262 488)
	(pt 1318 488)
)
(connector
	(text "H" (rect 1115 360 1123 372)(font "Arial" ))
	(pt 1158 376)
	(pt 1110 376)
)
(connector
	(text "L" (rect 1115 408 1120 420)(font "Arial" ))
	(pt 1158 424)
	(pt 1110 424)
)
(connector
	(text "L" (rect 1117 424 1122 436)(font "Arial" ))
	(pt 1158 440)
	(pt 1110 440)
)
(connector
	(text "L" (rect 1115 472 1120 484)(font "Arial" ))
	(pt 1158 488)
	(pt 1110 488)
)
(connector
	(text "/reset" (rect 856 176 884 188)(font "Arial" ))
	(pt 832 192)
	(pt 888 192)
)
(connector
	(text "L" (rect 1117 456 1122 468)(font "Arial" ))
	(pt 1158 472)
	(pt 1110 472)
)
(connector
	(text "H" (rect 1116 440 1124 452)(font "Arial" ))
	(pt 1158 456)
	(pt 1110 456)
)
(connector
	(text "reset" (rect 176 416 200 428)(font "Arial" ))
	(pt 160 432)
	(pt 208 432)
)
(connector
	(text "/clock" (rect 448 160 481 174)(font "Arial" (font_size 8)))
	(pt 448 176)
	(pt 480 176)
)
(connector
	(text "clock" (rect 344 160 369 172)(font "Arial" ))
	(pt 336 176)
	(pt 400 176)
)
(connector
	(text "reset" (rect 344 128 368 140)(font "Arial" ))
	(pt 336 144)
	(pt 400 144)
)
(connector
	(text "/reset" (rect 448 128 481 142)(font "Arial" (font_size 8)))
	(pt 448 144)
	(pt 480 144)
)
(connector
	(pt 184 280)
	(pt 184 272)
)
(connector
	(pt 232 280)
	(pt 184 280)
)
(connector
	(text "L" (rect 376 264 383 278)(font "Arial" (font_size 8)))
	(pt 360 280)
	(pt 384 280)
)
(connector
	(text "H" (rect 296 264 304 278)(font "Arial" (font_size 8)))
	(pt 280 280)
	(pt 312 280)
)
(connector
	(text "fifo_num[7..0]" (rect 1056 152 1126 164)(font "Arial" ))
	(pt 1048 168)
	(pt 1112 168)
	(bus)
)
(connector
	(text "sdin" (rect 544 80 564 92)(font "Arial" ))
	(pt 584 96)
	(pt 536 96)
)
(connector
	(text "half_full" (rect 1079 120 1119 132)(font "Arial" ))
	(pt 1120 136)
	(pt 1048 136)
)
(connector
	(text "empty" (rect 1081 136 1112 148)(font "Arial" ))
	(pt 1120 152)
	(pt 1048 152)
)
(connector
	(text "L" (rect 1115 392 1120 404)(font "Arial" ))
	(pt 1158 408)
	(pt 1110 408)
)
(connector
	(text "H" (rect 1116 376 1124 388)(font "Arial" ))
	(pt 1158 392)
	(pt 1110 392)
)
(connector
	(text "reset" (rect 544 112 568 124)(font "Arial" ))
	(pt 584 128)
	(pt 536 128)
)
(connector
	(text "clk16x" (rect 552 96 583 108)(font "Arial" ))
	(pt 536 112)
	(pt 584 112)
)
(connector
	(text "r_enable" (rect 544 128 585 140)(font "Arial" ))
	(pt 584 144)
	(pt 536 144)
)
(connector
	(pt 712 336)
	(pt 712 344)
)
(connector
	(text "reset" (rect 650 328 674 340)(font "Arial" ))
	(pt 712 344)
	(pt 640 344)
)
(connector
	(pt 768 360)
	(pt 768 280)
)
(connector
	(pt 584 360)
	(pt 568 360)
)
(connector
	(pt 568 360)
	(pt 568 336)
)
(connector
	(text "H" (rect 505 264 513 276)(font "Arial" ))
	(pt 536 280)
	(pt 480 280)
)
(connector
	(text "/clock" (rect 648 280 677 292)(font "Arial" ))
	(pt 680 296)
	(pt 640 296)
)
(connector
	(text "readn" (rect 490 280 517 292)(font "Arial" ))
	(pt 536 296)
	(pt 480 296)
)
(connector
	(text "Q2" (rect 635 264 649 276)(font "Arial" ))
	(pt 600 280)
	(pt 680 280)
)
(connector
	(text "read_fifo" (rect 756 264 800 276)(font "Arial" ))
	(pt 744 280)
	(pt 768 280)
)
(connector
	(pt 632 360)
	(pt 768 360)
)
(connector
	(text "read_fifo" (rect 840 120 884 132)(font "Arial" ))
	(pt 888 136)
	(pt 832 136)
)
(connector
	(text "q[7..0]" (rect 1074 80 1105 92)(font "Arial" ))
	(pt 1120 96)
	(pt 1048 96)
	(bus)
)
(connector
	(text "q[0]" (rect 867 360 885 372)(font "Arial" ))
	(pt 910 376)
	(pt 862 376)
)
(connector
	(text "q[1]" (rect 868 376 886 388)(font "Arial" ))
	(pt 910 392)
	(pt 862 392)
)
(connector
	(text "q[2]" (rect 867 392 885 404)(font "Arial" ))
	(pt 910 408)
	(pt 862 408)
)
(connector
	(text "q[3]" (rect 867 408 885 420)(font "Arial" ))
	(pt 910 424)
	(pt 862 424)
)
(connector
	(text "q[4]" (rect 869 424 887 436)(font "Arial" ))
	(pt 910 440)
	(pt 862 440)
)
(connector
	(text "q[5]" (rect 868 440 886 452)(font "Arial" ))
	(pt 910 456)
	(pt 862 456)
)
(connector
	(text "q[6]" (rect 869 456 887 468)(font "Arial" ))
	(pt 910 472)
	(pt 862 472)
)
(connector
	(text "q[7]" (rect 867 472 885 484)(font "Arial" ))
	(pt 910 488)
	(pt 862 488)
)
(connector
	(text "d[7..0]" (rect 805 80 836 92)(font "Arial" ))
	(pt 744 96)
	(pt 888 96)
	(bus)
)
(connector
	(text "clk_txd" (rect 372 384 407 396)(font "Arial" ))
	(pt 344 400)
	(pt 392 400)
)
(connector
	(pt 480 -32)
	(pt 536 -32)
)
(connector
	(pt 536 -32)
	(pt 536 96)
)
(connector
	(text "r_enable" (rect 338 -16 379 -4)(font "Arial" ))
	(pt 384 0)
	(pt 344 0)
)
(connector
	(text "/readn" (rect 456 192 486 204)(font "Arial" ))
	(pt 448 208)
	(pt 480 208)
)
(connector
	(text "readn" (rect 344 192 371 204)(font "Arial" ))
	(pt 400 208)
	(pt 336 208)
)
(connector
	(text "/readn" (rect 848 328 878 340)(font "Arial" ))
	(pt 862 344)
	(pt 910 344)
)
(connector
	(text "/readn" (rect 1101 328 1131 340)(font "Arial" ))
	(pt 1110 344)
	(pt 1158 344)
)
(rectangle (rect 128 48 1408 560))