ads7844.bdf

本源码介绍了ADS7844 AD转换芯片的VHDL控制器。

		(output)
		(mapping "control_word[7..0]" "control_word[7..0]" )
		(annotation_block (mapping)(rect 360 72 552 104))
	)
)
(block
	(rect 344 192 472 296)
	(text "cs_pulse" (rect 5 5 56 19)(font "Arial" (font_size 8)))	(text "inst5" (rect 5 90 28 102)(font "Arial" ))	(block_io "cs" (input))
	(block_io "clk1" (input))
	(block_io "cs_ad" (output))
	(mapper
		(pt 0 16)
		(input)
		(mapping "cs" "cs" )
		(annotation_block (mapping)(rect 240 152 328 184))
	)
	(mapper
		(pt 0 48)
		(input)
		(mapping "clk1" "clk1" )
		(annotation_block (mapping)(rect 240 256 328 288))
	)
	(mapper
		(pt 128 24)
		(output)
		(mapping "cs_ad" "cs_ad" )
		(annotation_block (mapping)(rect 488 232 576 264))
	)
)
(block
	(rect 744 -256 872 -120)
	(text "fq_cs" (rect 5 5 38 19)(font "Arial" (font_size 8)))	(text "inst3" (rect 5 122 28 134)(font "Arial" ))	(block_io "clk2" (input))
	(block_io "cs_all" (input))
	(block_io "cs" (output))
	(block_io "stld" (output))
	(mapper
		(pt 0 24)
		(input)
		(mapping "cs_all" "cs_all" )
		(annotation_block (mapping)(rect 656 -280 744 -248))
	)
	(mapper
		(pt 0 72)
		(input)
		(mapping "clk2" "clk1" )
		(annotation_block (mapping)(rect 656 -168 744 -136))
	)
	(mapper
		(pt 128 16)
		(output)
		(mapping "cs" "cs" )
		(annotation_block (mapping)(rect 872 -232 960 -200))
	)
	(mapper
		(pt 128 128)
		(output)
		(mapping "stld" "stld" )
		(annotation_block (mapping)(rect 872 -184 960 -152))
	)
)
(block
	(rect 680 -72 872 80)
	(text "to_ad" (rect 5 5 36 19)(font "Arial" (font_size 8)))	(text "inst4" (rect 5 138 28 150)(font "Arial" ))	(block_io "clk1" (input))
	(block_io "control_word[7..0]" (input))
	(block_io "stld" (input))
	(block_io "cs_ad" (input))
	(block_io "di" (output))
	(mapper
		(pt 0 40)
		(input)
		(mapping "clk1" "clk1" )
		(annotation_block (mapping)(rect 584 32 672 64))
	)
	(mapper
		(pt 0 88)
		(input)
		(mapping "control_word[7..0]" "control_word[7..0]" )
		(annotation_block (mapping)(rect 712 88 904 120))
	)
	(mapper
		(pt 192 104)
		(input)
		(mapping "stld" "stld" )
		(annotation_block (mapping)(rect 872 48 960 80))
	)
	(mapper
		(pt 0 8)
		(input)
		(mapping "cs_ad" "cs_ad" )
		(annotation_block (mapping)(rect 680 -104 768 -72))
	)
	(mapper
		(pt 192 24)
		(output)
		(mapping "di" "di" )
		(annotation_block (mapping)(rect 872 -40 960 -8))
	)
)
(block
	(rect 768 176 920 408)
	(text "d_latch" (rect 5 5 46 19)(font "Arial" (font_size 8)))	(text "inst6" (rect 5 218 28 230)(font "Arial" ))	(block_io "clk1" (input))
	(block_io "rden" (input))
	(block_io "rdclk" (input))
	(block_io "cs" (input))
	(block_io "stld" (input))
	(block_io "cs_ad" (input))
	(block_io "ad_do[7..0]" (input))
	(block_io "addr_r[3..0]" (input))
	(block_io "dooo" (input))
	(block_io "d0[15..0]" (output))
	(block_io "d7[15..0]" (output))
	(block_io "q[15..0]" (output))
	(mapper
		(pt 0 24)
		(input)
		(mapping "clk1" "clk1" )
		(annotation_block (mapping)(rect 648 152 736 184))
	)
	(mapper
		(pt 0 120)
		(input)
		(mapping "rden" "rden" )
		(annotation_block (mapping)(rect 592 288 680 320))
	)
	(mapper
		(pt 0 96)
		(input)
		(mapping "rdclk" "rdclk" )
		(annotation_block (mapping)(rect 608 232 696 264))
	)
	(mapper
		(pt 0 56)
		(input)
		(mapping "cs" "cs" )
		(annotation_block (mapping)(rect 608 192 696 224))
	)
	(mapper
		(pt 0 144)
		(input)
		(mapping "stld" "stld" )
		(annotation_block (mapping)(rect 600 320 688 352))
	)
	(mapper
		(pt 0 176)
		(input)
		(mapping "cs_ad" "cs_ad" )
		(annotation_block (mapping)(rect 664 360 752 392))
	)
	(mapper
		(pt 152 24)
		(input)
		(mapping "addr_r[3..0]" "addr_r[3..0]" )
		(annotation_block (mapping)(rect 928 152 1048 184))
	)
	(mapper
		(pt 152 72)
		(input)
		(mapping "ad_do[7..0]" "ad_do[7..0]" )
		(annotation_block (mapping)(rect 960 256 1080 288))
	)
	(mapper
		(pt 80 232)
		(input)
		(mapping "dooo" "dooo" )
		(annotation_block (mapping)(rect 864 424 952 456))
	)
	(mapper
		(pt 152 120)
		(output)
		(mapping "q[15..0]" "q[15..0]" )
		(annotation_block (mapping)(rect 992 320 1080 352))
	)
	(mapper
		(pt 32 232)
		(output)
		(mapping "d7[15..0]" "d7[15..0]" )
		(annotation_block (mapping)(rect 664 408 760 440))
	)
	(mapper
		(pt 120 232)
		(output)
		(mapping "d0[15..0]" "d0[15..0]" )
		(annotation_block (mapping)(rect 904 384 1000 416))
	)
)
(connector
	(text "clk1" (rect 650 -48 670 -36)(font "Arial" ))
	(pt 680 -32)
	(pt 640 -32)
)
(connector
	(text "control_word[7..0]" (rect 608 0 695 12)(font "Arial" ))
	(pt 680 16)
	(pt 608 16)
	(bus)
)
(connector
	(text "di" (rect 882 -64 890 -52)(font "Arial" ))
	(pt 872 -48)
	(pt 944 -48)
)
(connector
	(text "stld" (rect 882 16 899 28)(font "Arial" ))
	(pt 872 32)
	(pt 920 32)
)
(connector
	(pt 608 -64)
	(pt 608 -72)
)
(connector
	(text "cs_ad" (rect 618 -80 647 -68)(font "Arial" ))
	(pt 680 -64)
	(pt 608 -64)
)
(connector
	(text "cs" (rect 298 -56 309 -44)(font "Arial" ))
	(pt 336 -40)
	(pt 288 -40)
)
(connector
	(text "control_word[7..0]" (rect 504 8 591 20)(font "Arial" ))
	(pt 504 24)
	(pt 552 24)
	(bus)
)
(connector
	(pt 288 32)
	(pt 288 24)
)
(connector
	(text "cs_all" (rect 298 8 326 20)(font "Arial" ))
	(pt 288 24)
	(pt 336 24)
)
(connector
	(text "addr[3..0]" (rect 514 -56 561 -44)(font "Arial" ))
	(pt 504 -40)
	(pt 560 -40)
	(bus)
)
(connector
	(text "cs" (rect 306 192 317 204)(font "Arial" ))
	(pt 296 208)
	(pt 344 208)
)
(connector
	(text "clk1" (rect 306 224 326 236)(font "Arial" ))
	(pt 296 240)
	(pt 344 240)
)
(connector
	(text "cs_ad" (rect 482 200 511 212)(font "Arial" ))
	(pt 472 216)
	(pt 520 216)
)
(connector
	(text "cs_all" (rect 706 -248 734 -236)(font "Arial" ))
	(pt 744 -232)
	(pt 696 -232)
)
(connector
	(text "clk1" (rect 706 -200 726 -188)(font "Arial" ))
	(pt 744 -184)
	(pt 696 -184)
)
(connector
	(text "cs" (rect 882 -256 893 -244)(font "Arial" ))
	(pt 872 -240)
	(pt 928 -240)
)
(connector
	(text "stld" (rect 882 -144 899 -132)(font "Arial" ))
	(pt 872 -128)
	(pt 952 -128)
)
(connector
	(text "clk1" (rect 562 -192 582 -180)(font "Arial" ))
	(pt 552 -176)
	(pt 584 -176)
)
(connector
	(text "clk" (rect 386 -192 400 -180)(font "Arial" ))
	(pt 432 -176)
	(pt 376 -176)
)
(connector
	(text "clk1" (rect 714 184 734 196)(font "Arial" ))
	(pt 768 200)
	(pt 704 200)
)
(connector
	(text "rden" (rect 714 280 735 292)(font "Arial" ))
	(pt 768 296)
	(pt 704 296)
)
(connector
	(text "rdclk" (rect 714 256 737 268)(font "Arial" ))
	(pt 768 272)
	(pt 704 272)
)
(connector
	(text "q[15..0]" (rect 930 280 967 292)(font "Arial" ))
	(pt 920 296)
	(pt 976 296)
	(bus)
)
(connector
	(text "cs" (rect 714 216 725 228)(font "Arial" ))
	(pt 768 232)
	(pt 704 232)
)
(connector
	(text "stld" (rect 714 304 731 316)(font "Arial" ))
	(pt 768 320)
	(pt 704 320)
)
(connector
	(text "cs_ad" (rect 714 336 743 348)(font "Arial" ))
	(pt 768 352)
	(pt 704 352)
)
(connector
	(text "addr_r[3..0]" (rect 930 184 986 196)(font "Arial" ))
	(pt 920 200)
	(pt 976 200)
	(bus)
)
(connector
	(text "ad_do[7..0]" (rect 930 232 985 244)(font "Arial" ))
	(pt 920 248)
	(pt 968 248)
	(bus)
)
(connector
	(text "d7[15..0]" (rect 800 392 843 404)(font "Arial" ))
	(pt 800 408)
	(pt 800 440)
	(bus)
)
(connector
	(text "d0[15..0]" (rect 888 392 931 404)(font "Arial" ))
	(pt 888 408)
	(pt 888 448)
	(bus)
)
(connector
	(text "dooo" (rect 848 392 868 404)(font "Arial" ))
	(pt 848 408)
	(pt 848 432)
)