fre_input.bdf

实现数字频率合成。能产生任意频率的正弦信号、方波信号、梯形波等

		(line (pt 78 12)(pt 82 8)(line_width 1))
	)
)
(pin
	(output)
	(rect 648 896 824 912)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "kk5" (rect 90 0 107 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 52 4)(pt 78 4)(line_width 1))
		(line (pt 52 12)(pt 78 12)(line_width 1))
		(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
	(output)
	(rect 656 920 832 936)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "kk6" (rect 90 0 107 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 52 4)(pt 78 4)(line_width 1))
		(line (pt 52 12)(pt 78 12)(line_width 1))
		(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
	(output)
	(rect 656 936 832 952)
	(text "OUTPUT" (rect 1 0 39 10)(font "Arial" (font_size 6)))
	(text "kk7" (rect 90 0 107 12)(font "Arial" ))
	(pt 0 8)
	(drawing
		(line (pt 0 8)(pt 52 8)(line_width 1))
		(line (pt 52 4)(pt 78 4)(line_width 1))
		(line (pt 52 12)(pt 78 12)(line_width 1))
		(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))
	)
)
(symbol
	(rect 208 152 328 344)
	(text "74194" (rect 43 0 84 16)(font "Arial" (font_size 10)))
	(text "inst" (rect 3 181 20 193)(font "Arial" ))
	(port
		(pt 0 24)
		(input)
		(text "SLSI" (rect 22 16 47 30)(font "Arial" (font_size 8)))
		(text "SLSI" (rect 22 16 47 30)(font "Arial" (font_size 8)))
		(line (pt 0 24)(pt 16 24)(line_width 1))
	)
	(port
		(pt 0 40)
		(input)
		(text "SRSI" (rect 22 32 49 46)(font "Arial" (font_size 8)))
		(text "SRSI" (rect 22 32 49 46)(font "Arial" (font_size 8)))
		(line (pt 0 40)(pt 16 40)(line_width 1))
	)
	(port
		(pt 0 72)
		(input)
		(text "B" (rect 22 64 30 78)(font "Arial" (font_size 8)))
		(text "B" (rect 22 64 30 78)(font "Arial" (font_size 8)))
		(line (pt 0 72)(pt 16 72)(line_width 1))
	)
	(port
		(pt 0 88)
		(input)
		(text "C" (rect 22 80 30 94)(font "Arial" (font_size 8)))
		(text "C" (rect 22 80 30 94)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 16 88)(line_width 1))
	)
	(port
		(pt 0 168)
		(input)
		(text "CLK" (rect 22 160 45 174)(font "Arial" (font_size 8)))
		(text "CLK" (rect 22 160 45 174)(font "Arial" (font_size 8)))
		(line (pt 0 168)(pt 16 168)(line_width 1))
	)
	(port
		(pt 0 152)
		(input)
		(text "CLRN" (rect 22 144 53 158)(font "Arial" (font_size 8)))
		(text "CLRN" (rect 22 144 53 158)(font "Arial" (font_size 8)))
		(line (pt 0 152)(pt 8 152)(line_width 1))
	)
	(port
		(pt 0 104)
		(input)
		(text "D" (rect 22 96 30 110)(font "Arial" (font_size 8)))
		(text "D" (rect 22 96 30 110)(font "Arial" (font_size 8)))
		(line (pt 0 104)(pt 16 104)(line_width 1))
	)
	(port
		(pt 0 136)
		(input)
		(text "S1" (rect 22 128 37 142)(font "Arial" (font_size 8)))
		(text "S1" (rect 22 128 37 142)(font "Arial" (font_size 8)))
		(line (pt 0 136)(pt 16 136)(line_width 1))
	)
	(port
		(pt 0 120)
		(input)
		(text "S0" (rect 22 112 37 126)(font "Arial" (font_size 8)))
		(text "S0" (rect 22 112 37 126)(font "Arial" (font_size 8)))
		(line (pt 0 120)(pt 16 120)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "A" (rect 22 48 31 62)(font "Arial" (font_size 8)))
		(text "A" (rect 22 48 31 62)(font "Arial" (font_size 8)))
		(line (pt 0 56)(pt 16 56)(line_width 1))
	)
	(port
		(pt 120 72)
		(output)
		(text "QA" (rect 85 64 103 78)(font "Arial" (font_size 8)))
		(text "QA" (rect 85 64 103 78)(font "Arial" (font_size 8)))
		(line (pt 104 72)(pt 120 72)(line_width 1))
	)
	(port
		(pt 120 88)
		(output)
		(text "QB" (rect 85 80 102 94)(font "Arial" (font_size 8)))
		(text "QB" (rect 85 80 102 94)(font "Arial" (font_size 8)))
		(line (pt 104 88)(pt 120 88)(line_width 1))
	)
	(port
		(pt 120 104)
		(output)
		(text "QC" (rect 85 96 102 110)(font "Arial" (font_size 8)))
		(text "QC" (rect 85 96 102 110)(font "Arial" (font_size 8)))
		(line (pt 104 104)(pt 120 104)(line_width 1))
	)
	(port
		(pt 120 120)
		(output)
		(text "QD" (rect 85 112 102 126)(font "Arial" (font_size 8)))
		(text "QD" (rect 85 112 102 126)(font "Arial" (font_size 8)))
		(line (pt 104 120)(pt 120 120)(line_width 1))
	)
	(drawing
		(text "SHIFT REG." (rect 37 177 101 191)(font "Arial" (font_size 8)))
		(line (pt 16 16)(pt 104 16)(line_width 1))
		(line (pt 16 176)(pt 104 176)(line_width 1))
		(line (pt 104 176)(pt 104 16)(line_width 1))
		(line (pt 16 176)(pt 16 16)(line_width 1))
		(circle (rect 8 148 16 156)(line_width 1))
	)
)
(symbol
	(rect 520 152 640 344)
	(text "74194" (rect 43 0 84 16)(font "Arial" (font_size 10)))
	(text "inst1" (rect 3 181 26 193)(font "Arial" ))
	(port
		(pt 0 24)
		(input)
		(text "SLSI" (rect 22 16 47 30)(font "Arial" (font_size 8)))
		(text "SLSI" (rect 22 16 47 30)(font "Arial" (font_size 8)))
		(line (pt 0 24)(pt 16 24)(line_width 1))
	)
	(port
		(pt 0 40)
		(input)
		(text "SRSI" (rect 22 32 49 46)(font "Arial" (font_size 8)))
		(text "SRSI" (rect 22 32 49 46)(font "Arial" (font_size 8)))
		(line (pt 0 40)(pt 16 40)(line_width 1))
	)
	(port
		(pt 0 72)
		(input)
		(text "B" (rect 22 64 30 78)(font "Arial" (font_size 8)))
		(text "B" (rect 22 64 30 78)(font "Arial" (font_size 8)))
		(line (pt 0 72)(pt 16 72)(line_width 1))
	)
	(port
		(pt 0 88)
		(input)
		(text "C" (rect 22 80 30 94)(font "Arial" (font_size 8)))
		(text "C" (rect 22 80 30 94)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 16 88)(line_width 1))
	)
	(port
		(pt 0 168)
		(input)
		(text "CLK" (rect 22 160 45 174)(font "Arial" (font_size 8)))
		(text "CLK" (rect 22 160 45 174)(font "Arial" (font_size 8)))
		(line (pt 0 168)(pt 16 168)(line_width 1))
	)
	(port
		(pt 0 152)
		(input)
		(text "CLRN" (rect 22 144 53 158)(font "Arial" (font_size 8)))
		(text "CLRN" (rect 22 144 53 158)(font "Arial" (font_size 8)))
		(line (pt 0 152)(pt 8 152)(line_width 1))
	)
	(port
		(pt 0 104)
		(input)
		(text "D" (rect 22 96 30 110)(font "Arial" (font_size 8)))
		(text "D" (rect 22 96 30 110)(font "Arial" (font_size 8)))
		(line (pt 0 104)(pt 16 104)(line_width 1))
	)
	(port
		(pt 0 136)
		(input)
		(text "S1" (rect 22 128 37 142)(font "Arial" (font_size 8)))
		(text "S1" (rect 22 128 37 142)(font "Arial" (font_size 8)))
		(line (pt 0 136)(pt 16 136)(line_width 1))
	)
	(port
		(pt 0 120)
		(input)
		(text "S0" (rect 22 112 37 126)(font "Arial" (font_size 8)))
		(text "S0" (rect 22 112 37 126)(font "Arial" (font_size 8)))
		(line (pt 0 120)(pt 16 120)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "A" (rect 22 48 31 62)(font "Arial" (font_size 8)))
		(text "A" (rect 22 48 31 62)(font "Arial" (font_size 8)))
		(line (pt 0 56)(pt 16 56)(line_width 1))
	)
	(port
		(pt 120 72)
		(output)
		(text "QA" (rect 85 64 103 78)(font "Arial" (font_size 8)))
		(text "QA" (rect 85 64 103 78)(font "Arial" (font_size 8)))
		(line (pt 104 72)(pt 120 72)(line_width 1))
	)
	(port
		(pt 120 88)
		(output)
		(text "QB" (rect 85 80 102 94)(font "Arial" (font_size 8)))
		(text "QB" (rect 85 80 102 94)(font "Arial" (font_size 8)))
		(line (pt 104 88)(pt 120 88)(line_width 1))
	)
	(port
		(pt 120 104)
		(output)
		(text "QC" (rect 85 96 102 110)(font "Arial" (font_size 8)))
		(text "QC" (rect 85 96 102 110)(font "Arial" (font_size 8)))
		(line (pt 104 104)(pt 120 104)(line_width 1))
	)
	(port
		(pt 120 120)
		(output)
		(text "QD" (rect 85 112 102 126)(font "Arial" (font_size 8)))
		(text "QD" (rect 85 112 102 126)(font "Arial" (font_size 8)))
		(line (pt 104 120)(pt 120 120)(line_width 1))
	)
	(drawing
		(text "SHIFT REG." (rect 37 177 101 191)(font "Arial" (font_size 8)))
		(line (pt 16 16)(pt 104 16)(line_width 1))
		(line (pt 16 176)(pt 104 176)(line_width 1))
		(line (pt 104 176)(pt 104 16)(line_width 1))
		(line (pt 16 176)(pt 16 16)(line_width 1))
		(circle (rect 8 148 16 156)(line_width 1))
	)
)
(symbol
	(rect 808 296 856 328)
	(text "NOT" (rect 1 0 21 10)(font "Arial" (font_size 6)))
	(text "inst2" (rect 3 21 26 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))
	)
)
(symbol
	(rect 208 392 328 584)
	(text "74194" (rect 43 0 84 16)(font "Arial" (font_size 10)))
	(text "inst3" (rect 3 181 26 193)(font "Arial" ))
	(port
		(pt 0 24)
		(input)
		(text "SLSI" (rect 22 16 47 30)(font "Arial" (font_size 8)))
		(text "SLSI" (rect 22 16 47 30)(font "Arial" (font_size 8)))
		(line (pt 0 24)(pt 16 24)(line_width 1))
	)
	(port
		(pt 0 40)
		(input)
		(text "SRSI" (rect 22 32 49 46)(font "Arial" (font_size 8)))
		(text "SRSI" (rect 22 32 49 46)(font "Arial" (font_size 8)))
		(line (pt 0 40)(pt 16 40)(line_width 1))
	)
	(port
		(pt 0 72)
		(input)
		(text "B" (rect 22 64 30 78)(font "Arial" (font_size 8)))
		(text "B" (rect 22 64 30 78)(font "Arial" (font_size 8)))
		(line (pt 0 72)(pt 16 72)(line_width 1))
	)
	(port
		(pt 0 88)
		(input)
		(text "C" (rect 22 80 30 94)(font "Arial" (font_size 8)))
		(text "C" (rect 22 80 30 94)(font "Arial" (font_size 8)))
		(line (pt 0 88)(pt 16 88)(line_width 1))
	)
	(port
		(pt 0 168)
		(input)
		(text "CLK" (rect 22 160 45 174)(font "Arial" (font_size 8)))
		(text "CLK" (rect 22 160 45 174)(font "Arial" (font_size 8)))
		(line (pt 0 168)(pt 16 168)(line_width 1))
	)
	(port
		(pt 0 152)
		(input)
		(text "CLRN" (rect 22 144 53 158)(font "Arial" (font_size 8)))
		(text "CLRN" (rect 22 144 53 158)(font "Arial" (font_size 8)))
		(line (pt 0 152)(pt 8 152)(line_width 1))
	)
	(port
		(pt 0 104)
		(input)
		(text "D" (rect 22 96 30 110)(font "Arial" (font_size 8)))
		(text "D" (rect 22 96 30 110)(font "Arial" (font_size 8)))
		(line (pt 0 104)(pt 16 104)(line_width 1))
	)
	(port
		(pt 0 136)
		(input)
		(text "S1" (rect 22 128 37 142)(font "Arial" (font_size 8)))
		(text "S1" (rect 22 128 37 142)(font "Arial" (font_size 8)))
		(line (pt 0 136)(pt 16 136)(line_width 1))
	)
	(port
		(pt 0 120)
		(input)
		(text "S0" (rect 22 112 37 126)(font "Arial" (font_size 8)))
		(text "S0" (rect 22 112 37 126)(font "Arial" (font_size 8)))
		(line (pt 0 120)(pt 16 120)(line_width 1))
	)
	(port
		(pt 0 56)
		(input)
		(text "A" (rect 22 48 31 62)(font "Arial" (font_size 8)))
		(text "A" (rect 22 48 31 62)(font "Arial" (font_size 8)))
		(line (pt 0 56)(pt 16 56)(line_width 1))
	)
	(port
		(pt 120 72)
		(output)
		(text "QA" (rect 85 64 103 78)(font "Arial" (font_size 8)))
		(text "QA" (rect 85 64 103 78)(font "Arial" (font_size 8)))
		(line (pt 104 72)(pt 120 72)(line_width 1))
	)
	(port
		(pt 120 88)
		(output)
		(text "QB" (rect 85 80 102 94)(font "Arial" (font_size 8)))
		(text "QB" (rect 85 80 102 94)(font "Arial" (font_size 8)))
		(line (pt 104 88)(pt 120 88)(line_width 1))
	)
	(port
		(pt 120 104)
		(output)
		(text "QC" (rect 85 96 102 110)(font "Arial" (font_size 8)))
		(text "QC" (rect 85 96 102 110)(font "Arial" (font_size 8)))
		(line (pt 104 104)(pt 120 104)(line_width 1))
	)
	(port
		(pt 120 120)
		(output)
		(text "QD" (rect 85 112 102 126)(font "Arial" (font_size 8)))
		(text "QD" (rect 85 112 102 126)(font "Arial" (font_size 8)))
		(line (pt 104 120)(pt 120 120)(line_width 1))
	)
	(drawing
		(text "SHIFT REG." (rect 37 177 101 191)(font "Arial" (font_size 8)))