_422_to_fifo4.bdf

多功能卡的源代码

	)
	(port
		(pt 0 48)
		(input)
		(text "sdin" (rect 0 0 20 12)(font "Arial" ))
		(text "sdin" (rect 21 43 41 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "sys_clock" (rect 0 0 50 12)(font "Arial" ))
		(text "sys_clock" (rect 21 59 71 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "sclk" (rect 0 0 20 12)(font "Arial" ))
		(text "sclk" (rect 21 75 41 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 0 96)
		(input)
		(text "r_enable" (rect 0 0 41 12)(font "Arial" ))
		(text "r_enable" (rect 21 91 62 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 1))
	)
	(port
		(pt 152 32)
		(output)
		(text "dout[7..0]" (rect 0 0 47 12)(font "Arial" ))
		(text "dout[7..0]" (rect 84 27 131 39)(font "Arial" ))
		(line (pt 152 32)(pt 136 32)(line_width 3))
	)
	(port
		(pt 152 48)
		(output)
		(text "wrn" (rect 0 0 16 12)(font "Arial" ))
		(text "wrn" (rect 115 43 131 55)(font "Arial" ))
		(line (pt 152 48)(pt 136 48)(line_width 1))
	)
	(drawing
		(rectangle (rect 16 16 136 112)(line_width 1))
	)
)
(connector
	(text "wrn" (rect -6 280 10 292)(font "Arial" ))
	(pt 40 296)
	(pt -16 296)
)
(connector
	(pt 216 336)
	(pt 216 344)
)
(connector
	(text "reset" (rect 154 328 178 340)(font "Arial" ))
	(pt 216 344)
	(pt 144 344)
)
(connector
	(pt 272 360)
	(pt 272 280)
)
(connector
	(pt 272 360)
	(pt 136 360)
)
(connector
	(pt 88 360)
	(pt 72 360)
)
(connector
	(pt 72 360)
	(pt 72 336)
)
(connector
	(text "H" (rect 9 264 17 276)(font "Arial" ))
	(pt 40 280)
	(pt -16 280)
)
(connector
	(text "/clock" (rect 152 280 181 292)(font "Arial" ))
	(pt 184 296)
	(pt 144 296)
)
(connector
	(text "/clock" (rect 256 112 289 126)(font "Arial" (font_size 8)))
	(pt 256 128)
	(pt 288 128)
)
(connector
	(text "clock" (rect 152 112 177 124)(font "Arial" ))
	(pt 144 128)
	(pt 208 128)
)
(connector
	(pt 8 200)
	(pt 8 192)
)
(connector
	(pt 56 200)
	(pt 8 200)
)
(connector
	(text "L" (rect 200 184 207 198)(font "Arial" (font_size 8)))
	(pt 184 200)
	(pt 208 200)
)
(connector
	(text "H" (rect 120 184 128 198)(font "Arial" (font_size 8)))
	(pt 104 200)
	(pt 136 200)
)
(connector
	(text "reset" (rect 152 48 176 60)(font "Arial" ))
	(pt 144 64)
	(pt 208 64)
)
(connector
	(text "/reset" (rect 256 48 289 62)(font "Arial" (font_size 8)))
	(pt 256 64)
	(pt 288 64)
)
(connector
	(text "write_fifo" (rect 260 264 306 276)(font "Arial" ))
	(pt 248 280)
	(pt 272 280)
)
(connector
	(text "Q1" (rect 141 264 155 276)(font "Arial" ))
	(pt 104 280)
	(pt 184 280)
)
(connector
	(text "/reset" (rect 872 160 900 172)(font "Arial" ))
	(pt 912 176)
	(pt 864 176)
)
(connector
	(text "clock" (rect 872 128 897 140)(font "Arial" ))
	(pt 912 144)
	(pt 864 144)
)
(connector
	(text "write_fifo" (rect 872 88 918 100)(font "Arial" ))
	(pt 912 104)
	(pt 864 104)
)
(connector
	(text "q[7..0]" (rect 1080 64 1111 76)(font "Arial" ))
	(pt 1072 80)
	(pt 1128 80)
	(bus)
)
(connector
	(text "half_full" (rect 1099 104 1139 116)(font "Arial" ))
	(pt 1072 120)
	(pt 1128 120)
)
(connector
	(text "empty" (rect 1104 120 1135 132)(font "Arial" ))
	(pt 1072 136)
	(pt 1128 136)
)
(connector
	(text "fifo_out[7]" (rect 768 456 819 468)(font "Arial" ))
	(pt 760 472)
	(pt 816 472)
)
(connector
	(text "q[0]" (rect 613 344 631 356)(font "Arial" ))
	(pt 656 360)
	(pt 608 360)
)
(connector
	(text "q[1]" (rect 614 360 632 372)(font "Arial" ))
	(pt 656 376)
	(pt 608 376)
)
(connector
	(text "q[2]" (rect 613 376 631 388)(font "Arial" ))
	(pt 656 392)
	(pt 608 392)
)
(connector
	(text "q[3]" (rect 613 392 631 404)(font "Arial" ))
	(pt 656 408)
	(pt 608 408)
)
(connector
	(text "q[5]" (rect 614 424 632 436)(font "Arial" ))
	(pt 656 440)
	(pt 608 440)
)
(connector
	(text "q[6]" (rect 615 440 633 452)(font "Arial" ))
	(pt 656 456)
	(pt 608 456)
)
(connector
	(text "q[7]" (rect 613 456 631 468)(font "Arial" ))
	(pt 656 472)
	(pt 608 472)
)
(connector
	(text "fifo_out[0]" (rect 779 344 830 356)(font "Arial" ))
	(pt 760 360)
	(pt 816 360)
)
(connector
	(text "fifo_out[1]" (rect 778 360 829 372)(font "Arial" ))
	(pt 760 376)
	(pt 816 376)
)
(connector
	(text "fifo_out[2]" (rect 774 376 825 388)(font "Arial" ))
	(pt 760 392)
	(pt 816 392)
)
(connector
	(text "fifo_out[3]" (rect 772 392 823 404)(font "Arial" ))
	(pt 760 408)
	(pt 816 408)
)
(connector
	(text "fifo_out[4]" (rect 772 408 823 420)(font "Arial" ))
	(pt 760 424)
	(pt 816 424)
)
(connector
	(text "fifo_out[5]" (rect 772 424 823 436)(font "Arial" ))
	(pt 760 440)
	(pt 816 440)
)
(connector
	(text "fifo_out[6]" (rect 773 440 824 452)(font "Arial" ))
	(pt 760 456)
	(pt 816 456)
)
(connector
	(text "q[4]" (rect 615 408 633 420)(font "Arial" ))
	(pt 656 424)
	(pt 608 424)
)
(connector
	(pt 656 344)
	(pt 608 344)
)
(connector
	(pt 608 344)
	(pt 608 328)
)
(connector
	(pt 912 344)
	(pt 864 344)
)
(connector
	(pt 864 344)
	(pt 864 328)
)
(connector
	(text "fifo_out[8]" (rect 1035 344 1086 356)(font "Arial" ))
	(pt 1016 360)
	(pt 1072 360)
)
(connector
	(text "fifo_out[9]" (rect 1034 360 1085 372)(font "Arial" ))
	(pt 1016 376)
	(pt 1072 376)
)
(connector
	(text "fifo_out[10]" (rect 1030 376 1087 388)(font "Arial" ))
	(pt 1016 392)
	(pt 1072 392)
)
(connector
	(text "fifo_out[11]" (rect 1028 392 1085 404)(font "Arial" ))
	(pt 1016 408)
	(pt 1072 408)
)
(connector
	(text "fifo_out[12]" (rect 1028 408 1085 420)(font "Arial" ))
	(pt 1016 424)
	(pt 1072 424)
)
(connector
	(text "fifo_out[13]" (rect 1028 424 1085 436)(font "Arial" ))
	(pt 1016 440)
	(pt 1072 440)
)
(connector
	(text "fifo_out[14]" (rect 1029 440 1086 452)(font "Arial" ))
	(pt 1016 456)
	(pt 1072 456)
)
(connector
	(text "fifo_out[15]" (rect 1024 456 1081 468)(font "Arial" ))
	(pt 1016 472)
	(pt 1072 472)
)
(connector
	(text "L" (rect 869 392 874 404)(font "Arial" ))
	(pt 912 408)
	(pt 864 408)
)
(connector
	(text "L" (rect 871 408 876 420)(font "Arial" ))
	(pt 912 424)
	(pt 864 424)
)
(connector
	(text "L" (rect 870 424 875 436)(font "Arial" ))
	(pt 912 440)
	(pt 864 440)
)
(connector
	(text "H" (rect 871 440 879 452)(font "Arial" ))
	(pt 912 456)
	(pt 864 456)
)
(connector
	(text "L" (rect 869 456 874 468)(font "Arial" ))
	(pt 912 472)
	(pt 864 472)
)
(connector
	(text "/OE" (rect 594 312 612 324)(font "Arial" ))
	(pt 608 328)
	(pt 656 328)
)
(connector
	(text "/OE" (rect 855 312 873 324)(font "Arial" ))
	(pt 864 328)
	(pt 912 328)
)
(connector
	(text "H" (rect 869 376 877 388)(font "Arial" ))
	(pt 912 392)
	(pt 864 392)
)
(connector
	(text "L" (rect 869 344 874 356)(font "Arial" ))
	(pt 912 360)
	(pt 864 360)
)
(connector
	(text "L" (rect 870 360 875 372)(font "Arial" ))
	(pt 912 376)
	(pt 864 376)
)
(connector
	(text "readn" (rect 872 104 899 116)(font "Arial" ))
	(pt 912 120)
	(pt 864 120)
)
(connector
	(text "reset" (rect 584 64 608 76)(font "Arial" ))
	(pt 576 80)
	(pt 624 80)
)
(connector
	(text "r_enable" (rect 584 128 625 140)(font "Arial" ))
	(pt 576 144)
	(pt 624 144)
)
(connector
	(text "clock" (rect 584 96 609 108)(font "Arial" ))
	(pt 576 112)
	(pt 624 112)
)
(connector
	(text "clock" (rect 344 176 369 188)(font "Arial" ))
	(pt 392 192)
	(pt 344 192)
)
(connector
	(text "clock" (rect 344 80 369 92)(font "Arial" ))
	(pt 392 96)
	(pt 344 96)
)
(connector
	(text "sdin" (rect 352 64 372 76)(font "Arial" ))
	(pt 392 80)
	(pt 344 80)
)
(connector
	(text "sclk" (rect 352 160 372 172)(font "Arial" ))
	(pt 392 176)
	(pt 344 176)
)
(connector
	(text "sdin1" (rect 496 64 521 76)(font "Arial" ))
	(pt 488 80)
	(pt 536 80)
)
(connector
	(text "sclk1" (rect 496 160 521 172)(font "Arial" ))
	(pt 488 176)
	(pt 536 176)
)
(connector
	(text "sdin1" (rect 584 80 609 92)(font "Arial" ))
	(pt 576 96)
	(pt 624 96)
)
(connector
	(text "sclk1" (rect 584 112 609 124)(font "Arial" ))
	(pt 576 128)
	(pt 624 128)
)
(connector
	(pt 776 80)
	(pt 912 80)
	(bus)
)
(connector
	(text "wrn" (rect 784 80 800 92)(font "Arial" ))
	(pt 776 96)
	(pt 816 96)
)
(rectangle (rect -32 40 304 248))
(rectangle (rect -32 248 304 520))
(rectangle (rect 328 40 1144 520))