sram4m.bdf

Altera cyclone ep1c6对sram idt71系列的读写时序控制

		(line (pt 52 12)(pt 52 4)(line_width 1))
		(line (pt 78 4)(pt 82 8)(line_width 1))
		(line (pt 82 8)(pt 78 12)(line_width 1))
		(line (pt 78 12)(pt 82 8)(line_width 1))
	)
)
(pin
	(bidir)
	(rect 704 136 880 152)
	(text "BIDIR" (rect 1 0 25 10)(font "Arial" (font_size 6)))
	(text "dio_1[7..0]" (rect 90 0 141 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 56 4)(pt 78 4)(line_width 1))
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 56 12)(pt 78 12)(line_width 1))
		(line (pt 78 4)(pt 82 8)(line_width 1))
		(line (pt 78 12)(pt 82 8)(line_width 1))
		(line (pt 56 4)(pt 52 8)(line_width 1))
		(line (pt 52 8)(pt 56 12)(line_width 1))
	)
	(text "VCC" (rect 4 7 24 17)(font "Arial" (font_size 6)))
)
(pin
	(bidir)
	(rect 704 152 880 168)
	(text "BIDIR" (rect 1 0 25 10)(font "Arial" (font_size 6)))
	(text "dio_2[7..0]" (rect 90 0 141 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 56 4)(pt 78 4)(line_width 1))
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 56 12)(pt 78 12)(line_width 1))
		(line (pt 78 4)(pt 82 8)(line_width 1))
		(line (pt 78 12)(pt 82 8)(line_width 1))
		(line (pt 56 4)(pt 52 8)(line_width 1))
		(line (pt 52 8)(pt 56 12)(line_width 1))
	)
	(text "VCC" (rect 4 7 24 17)(font "Arial" (font_size 6)))
)
(symbol
	(rect 384 96 608 320)
	(text "sram4m" (rect 5 0 45 12)(font "Arial" ))
	(text "inst" (rect 8 208 25 220)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "bt835_field" (rect 0 0 54 12)(font "Arial" ))
		(text "bt835_field" (rect 21 27 75 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "bt835_hreset" (rect 0 0 63 12)(font "Arial" ))
		(text "bt835_hreset" (rect 21 43 84 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "bt835_vreset" (rect 0 0 64 12)(font "Arial" ))
		(text "bt835_vreset" (rect 21 59 85 71)(font "Arial" ))
		(line (pt 0 64)(pt 16 64)(line_width 1))
	)
	(port
		(pt 0 80)
		(input)
		(text "bt835_hactive" (rect 0 0 69 12)(font "Arial" ))
		(text "bt835_hactive" (rect 21 75 90 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 0 96)
		(input)
		(text "bt835_vactive" (rect 0 0 70 12)(font "Arial" ))
		(text "bt835_vactive" (rect 21 91 91 103)(font "Arial" ))
		(line (pt 0 96)(pt 16 96)(line_width 1))
	)
	(port
		(pt 0 112)
		(input)
		(text "bt835_clk2" (rect 0 0 53 12)(font "Arial" ))
		(text "bt835_clk2" (rect 21 107 74 119)(font "Arial" ))
		(line (pt 0 112)(pt 16 112)(line_width 1))
	)
	(port
		(pt 0 128)
		(input)
		(text "bt835_data[15..8]" (rect 0 0 86 12)(font "Arial" ))
		(text "bt835_data[15..8]" (rect 21 123 107 135)(font "Arial" ))
		(line (pt 0 128)(pt 16 128)(line_width 3))
	)
	(port
		(pt 224 32)
		(output)
		(text "bt860_data[7..0]" (rect 0 0 80 12)(font "Arial" ))
		(text "bt860_data[7..0]" (rect 123 27 203 39)(font "Arial" ))
		(line (pt 224 32)(pt 208 32)(line_width 3))
	)
	(port
		(pt 224 80)
		(output)
		(text "cs_1" (rect 0 0 23 12)(font "Arial" ))
		(text "cs_1" (rect 180 75 203 87)(font "Arial" ))
		(line (pt 224 80)(pt 208 80)(line_width 1))
	)
	(port
		(pt 224 96)
		(output)
		(text "we_1" (rect 0 0 24 12)(font "Arial" ))
		(text "we_1" (rect 179 91 203 103)(font "Arial" ))
		(line (pt 224 96)(pt 208 96)(line_width 1))
	)
	(port
		(pt 224 112)
		(output)
		(text "oe_1" (rect 0 0 23 12)(font "Arial" ))
		(text "oe_1" (rect 180 107 203 119)(font "Arial" ))
		(line (pt 224 112)(pt 208 112)(line_width 1))
	)
	(port
		(pt 224 128)
		(output)
		(text "we_2" (rect 0 0 24 12)(font "Arial" ))
		(text "we_2" (rect 179 123 203 135)(font "Arial" ))
		(line (pt 224 128)(pt 208 128)(line_width 1))
	)
	(port
		(pt 224 144)
		(output)
		(text "oe_2" (rect 0 0 23 12)(font "Arial" ))
		(text "oe_2" (rect 180 139 203 151)(font "Arial" ))
		(line (pt 224 144)(pt 208 144)(line_width 1))
	)
	(port
		(pt 224 160)
		(output)
		(text "cs_2" (rect 0 0 23 12)(font "Arial" ))
		(text "cs_2" (rect 180 155 203 167)(font "Arial" ))
		(line (pt 224 160)(pt 208 160)(line_width 1))
	)
	(port
		(pt 224 176)
		(output)
		(text "adr_1[18..0]" (rect 0 0 59 12)(font "Arial" ))
		(text "adr_1[18..0]" (rect 144 171 203 183)(font "Arial" ))
		(line (pt 224 176)(pt 208 176)(line_width 3))
	)
	(port
		(pt 224 192)
		(output)
		(text "adr_2[18..0]" (rect 0 0 59 12)(font "Arial" ))
		(text "adr_2[18..0]" (rect 144 187 203 199)(font "Arial" ))
		(line (pt 224 192)(pt 208 192)(line_width 3))
	)
	(port
		(pt 224 48)
		(bidir)
		(text "dio_1[7..0]" (rect 0 0 51 12)(font "Arial" ))
		(text "dio_1[7..0]" (rect 152 43 203 55)(font "Arial" ))
		(line (pt 224 48)(pt 208 48)(line_width 3))
	)
	(port
		(pt 224 64)
		(bidir)
		(text "dio_2[7..0]" (rect 0 0 51 12)(font "Arial" ))
		(text "dio_2[7..0]" (rect 152 59 203 71)(font "Arial" ))
		(line (pt 224 64)(pt 208 64)(line_width 3))
	)
	(drawing
		(rectangle (rect 16 16 208 208)(line_width 1))
	)
)
(connector
	(text "bt835_field" (rect 290 112 344 124)(font "Arial" ))
	(pt 280 128)
	(pt 384 128)
)
(connector
	(text "bt835_hreset" (rect 290 128 353 140)(font "Arial" ))
	(pt 384 144)
	(pt 280 144)
)
(connector
	(text "bt835_vreset" (rect 290 144 354 156)(font "Arial" ))
	(pt 280 160)
	(pt 384 160)
)
(connector
	(text "bt835_hactive" (rect 290 160 359 172)(font "Arial" ))
	(pt 280 176)
	(pt 384 176)
)
(connector
	(text "bt835_vactive" (rect 290 176 360 188)(font "Arial" ))
	(pt 280 192)
	(pt 384 192)
)
(connector
	(text "bt835_clk2" (rect 290 192 343 204)(font "Arial" ))
	(pt 280 208)
	(pt 384 208)
)
(connector
	(text "bt835_data[15..8]" (rect 290 208 376 220)(font "Arial" ))
	(pt 280 224)
	(pt 384 224)
	(bus)
)
(connector
	(text "bt860_data[7..0]" (rect 618 112 698 124)(font "Arial" ))
	(pt 608 128)
	(pt 704 128)
	(bus)
)
(connector
	(text "cs_1" (rect 618 160 641 172)(font "Arial" ))
	(pt 608 176)
	(pt 704 176)
)
(connector
	(text "we_1" (rect 618 176 642 188)(font "Arial" ))
	(pt 608 192)
	(pt 704 192)
)
(connector
	(text "we_2" (rect 618 208 642 220)(font "Arial" ))
	(pt 608 224)
	(pt 704 224)
)
(connector
	(text "oe_1" (rect 618 192 641 204)(font "Arial" ))
	(pt 608 208)
	(pt 704 208)
)
(connector
	(text "adr_1[18..0]" (rect 618 256 677 268)(font "Arial" ))
	(pt 608 272)
	(pt 704 272)
	(bus)
)
(connector
	(text "adr_2[18..0]" (rect 618 272 677 284)(font "Arial" ))
	(pt 608 288)
	(pt 704 288)
	(bus)
)
(connector
	(text "dio_1[7..0]" (rect 618 128 669 140)(font "Arial" ))
	(pt 608 144)
	(pt 704 144)
	(bus)
)
(connector
	(text "dio_2[7..0]" (rect 618 144 669 156)(font "Arial" ))
	(pt 608 160)
	(pt 704 160)
	(bus)
)
(connector
	(text "oe_2" (rect 618 224 641 236)(font "Arial" ))
	(pt 608 240)
	(pt 704 240)
)
(connector
	(text "cs_2" (rect 618 240 641 252)(font "Arial" ))
	(pt 608 256)
	(pt 704 256)
)