frequency.bdf

《FPGA嵌入式应用系统开发典型实例》-书的光盘资料

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		(pt 0 72)
		(input)
		(text "dataa[LPM_WIDTH-1..0]" (rect 20 57 133 71)(font "Arial" (font_size 8)))
		(text "dataa[]" (rect 20 57 58 71)(font "Arial" (font_size 8)))
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		(input)
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		(text "clock" (rect 20 74 49 88)(font "Arial" (font_size 8)))
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		(input)
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		(pt 160 144)
		(output)
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		(text "cout" (rect 120 129 144 143)(font "Arial" (font_size 8)))
		(line (pt 145 144)(pt 160 144)(line_width 1))
		(unused)
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		(pt 160 128)
		(output)
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		(unused)
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		(pt 160 96)
		(output)
		(text "result[LPM_WIDTH-1..0]" (rect 109 81 222 95)(font "Arial" (font_size 8)))
		(text "result[]" (rect 109 81 147 95)(font "Arial" (font_size 8)))
		(line (pt 145 96)(pt 160 96)(line_width 3))
	)
	(parameter
		"LPM_DIRECTION"
		"\"SUB\""
		"Selects between addition, subtraction, or both"
		"\"DEFAULT\"" "\"ADD\"" "\"SUB\"" 
	)
	(parameter
		"LPM_PIPELINE"
		"0"
		"Output latency in clock cycles - requires use of optional clock"
		"0" "1" "2" "3" "4" 
	)
	(parameter
		"LPM_REPRESENTATION"
		"\"UNSIGNED\""
		"Numeric representation of inputs"
		"\"UNSIGNED\"" "\"SIGNED\"" 
	)
	(parameter
		"LPM_WIDTH"
		"10"
		"Width of I/O, any integer > 0"
		" 1" " 2" " 3" " 4" " 5" " 6" " 7" " 8" " 9" "10" "11" "12" "13" "14" "15" "16" "20" "24" "28" "32" "40" "48" "56" "64" 
	)
	(parameter
		"MAXIMIZE_SPEED"
		""
		"Hint to help tradeoff between speed and size"
		" 0" " 1" " 2" " 3" " 4" " 5" " 6" " 7" " 8" " 9" "10" 
	)
	(parameter
		"ONE_INPUT_IS_CONSTANT"
		"\"YES\""
		"Hint to help minimize the number of LCELLs"
		"\"NO\"" "\"YES\"" 
	)
	(drawing
		(line (pt 16 48)(pt 72 48)(line_width 1))
		(line (pt 16 152)(pt 144 152)(line_width 1))
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		(line (pt 56 56)(pt 104 80)(line_width 1))
		(line (pt 56 136)(pt 104 112)(line_width 1))
	)
	(annotation_block (parameter)(rect 2960 1416 3160 1520))
)
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	(rect 96 384 272 528)
	(text "LPM_FF" (rect 19 0 69 17)(font "Arial" (font_size 10)))
	(text "inst88" (rect 3 133 32 145)(font "Arial" ))
	(port
		(pt 0 104)
		(input)
		(text "enable" (rect 20 97 51 109)(font "Arial" (font_size 8)))
		(text "enable" (rect 20 97 57 111)(font "Arial" (font_size 8)))
		(line (pt 0 104)(pt 16 104)(line_width 1))
		(unused)
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		(pt 0 88)
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		(text "clock" (rect 20 81 49 95)(font "Arial" (font_size 8))(invisible))
		(line (pt 0 88)(pt 16 88)(line_width 1))
	)
	(port
		(pt 0 24)
		(input)
		(text "aload" (rect 20 17 46 29)(font "Arial" (font_size 8)))
		(text "aload" (rect 20 17 50 31)(font "Arial" (font_size 8)))
		(line (pt 0 24)(pt 16 24)(line_width 1))
		(unused)
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	(port
		(pt 0 40)
		(input)
		(text "sset" (rect 20 33 40 45)(font "Arial" (font_size 8)))
		(text "sset" (rect 20 33 44 47)(font "Arial" (font_size 8)))
		(line (pt 0 40)(pt 16 40)(line_width 1))
		(unused)
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	(port
		(pt 0 56)
		(input)
		(text "sload" (rect 20 49 46 61)(font "Arial" (font_size 8)))
		(text "sload" (rect 20 49 50 63)(font "Arial" (font_size 8)))
		(line (pt 0 56)(pt 16 56)(line_width 1))
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	(port
		(pt 88 0)
		(input)
		(text "aset" (rect 79 17 99 29)(font "Arial" (font_size 8)))
		(text "aset" (rect 79 17 103 31)(font "Arial" (font_size 8)))
		(line (pt 88 16)(pt 88 0)(line_width 1))
		(unused)
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		(pt 0 120)
		(input)
		(text "sclr" (rect 20 113 36 125)(font "Arial" (font_size 8)))
		(text "sclr" (rect 20 113 41 127)(font "Arial" (font_size 8)))
		(line (pt 0 120)(pt 16 120)(line_width 1))
		(unused)
	)
	(port
		(pt 88 144)
		(input)
		(text "aclr" (rect 80 113 97 125)(font "Arial" (font_size 8)))
		(text "aclr" (rect 80 113 101 127)(font "Arial" (font_size 8)))
		(line (pt 88 144)(pt 88 128)(line_width 1))
		(unused)
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	(port
		(pt 0 72)
		(input)
		(text "data[LPM_WIDTH-1..0]" (rect 20 63 47 77)(font "Arial" (font_size 8)))
		(text "data[]" (rect 20 63 51 77)(font "Arial" (font_size 8)))
		(line (pt 0 72)(pt 16 72)(line_width 3))
	)
	(port
		(pt 176 88)
		(output)
		(text "q[LPM_WIDTH-1..0]" (rect 144 81 156 93)(font "Arial" (font_size 8)))
		(text "q[]" (rect 144 81 158 95)(font "Arial" (font_size 8)))
		(line (pt 160 88)(pt 176 88)(line_width 3))
	)
	(parameter
		"LPM_AVALUE"
		""
		"Unsigned value associated with the aset port"
	)
	(parameter
		"LPM_FFTYPE"
		"\"DFF\""
		"Selects behavior as DFF or TFF"
		"\"DFF\"" "\"TFF\"" 
	)
	(parameter
		"LPM_SVALUE"
		""
		"Unsigned value associated with the sset port"
	)
	(parameter
		"LPM_WIDTH"
		"2"
		"Width of I/O, any integer > 0"
		" 1" " 2" " 3" " 4" " 5" " 6" " 7" " 8" " 9" "10" "11" "12" "13" "14" "15" "16" "20" "24" "28" "32" "40" "48" "56" "64" 
	)
	(drawing
		(line (pt 16 16)(pt 160 16)(line_width 1))
		(line (pt 16 128)(pt 160 128)(line_width 1))
		(line (pt 160 128)(pt 160 16)(line_width 1))
		(line (pt 16 128)(pt 16 16)(line_width 1))
		(line (pt 16 80)(pt 24 88)(line_width 1))
		(line (pt 24 88)(pt 16 96)(line_width 1))
	)
	(annotation_block (parameter)(rect 160 312 272 384))
)
(symbol
	(rect 2968 840 3080 936)
	(text "LPM_MUX" (rect 23 0 84 16)(font "Arial" (font_size 10)))
	(text "inst90" (rect 3 84 32 96)(font "Arial" ))
	(port
		(pt 0 48)
		(input)
		(text "data[LPM_SIZE-1..0][LPM_WIDTH-1..0]" (rect 6 33 189 47)(font "Arial" (font_size 8)))
		(text "data[][]" (rect 6 33 44 47)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 44 48)(line_width 3))
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	(port
		(pt 0 64)
		(input)
		(text "clock" (rect 6 51 31 65)(font "Arial" (font_size 8)))
		(text "clock" (rect 6 51 35 65)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 44 64)(line_width 1))
		(unused)
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		(pt 0 32)
		(input)
		(text "aclr" (rect 6 19 24 33)(font "Arial" (font_size 8)))
		(text "aclr" (rect 6 19 27 33)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 44 32)(line_width 1))
		(unused)
	)
	(port
		(pt 56 96)
		(input)
		(text "sel[LPM_WIDTHS-1..0]" (rect 59 80 166 94)(font "Arial" (font_size 8)))
		(text "sel[]" (rect 59 80 82 94)(font "Arial" (font_size 8)))
		(line (pt 56 96)(pt 56 80)(line_width 3))
	)
	(port
		(pt 0 80)
		(input)
		(text "clken" (rect 6 67 31 81)(font "Arial" (font_size 8)))
		(text "clken" (rect 6 67 35 81)(font "Arial" (font_size 8)))
		(line (pt 0 80)(pt 44 80)(line_width 1))
		(unused)
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	(port
		(pt 112 56)
		(output)
		(text "result[LPM_WIDTH-1..0]" (rect 75 41 188 55)(font "Arial" (font_size 8)))
		(text "result[]" (rect 75 41 113 55)(font "Arial" (font_size 8)))
		(line (pt 68 56)(pt 112 56)(line_width 3))
	)
	(parameter
		"LPM_PIPELINE"
		"0"
		"Output latency in clock cycles - requires use of optional clock"
		"0" "1" "2" "3" "4" 
	)
	(parameter
		"LPM_SIZE"
		"4"
		"Number of inputs per MUX, any integer > 1"
		" 2" " 3" " 4" " 5" " 6" " 7" " 8" " 9" "10" "11" "12" "13" "14" "15" "16" "20" "24" "28" "32" "40" "48" "56" "64" 
	)
	(parameter
		"LPM_WIDTH"
		"10"
		"Number of MUXes, any integer > 0"
		" 1" " 2" " 3" " 4" " 5" " 6" " 7" " 8" " 9" "10" "11" "12" "13" "14" "15" "16" "20" "24" "28" "32" "40" "48" "56" "64" 
	)
	(parameter
		"LPM_WIDTHS"
		"CEIL(LOG2(LPM_SIZE))"
		"Width of sel[] port"
		"CEIL(LOG2(LPM_SIZE))" 
	)
	(drawing
		(line (pt 44 88)(pt 44 16)(line_width 1))
		(line (pt 68 72)(pt 68 32)(line_width 1))
		(line (pt 44 16)(pt 68 32)(line_width 1))
		(line (pt 44 88)(pt 68 72)(line_width 1))
	)
	(annotation_block (parameter)(rect 3080 808 3272 880))
)
(symbol
	(rect 1232 328 1344 424)
	(text "LPM_MUX" (rect 23 0 84 16)(font "Arial" (font_size 10)))
	(text "inst91" (rect 3 84 32 96)(font "Arial" ))
	(port
		(pt 0 48)
		(input)
		(text "data[LPM_SIZE-1..0][LPM_WIDTH-1..0]" (rect 6 33 189 47)(font "Arial" (font_size 8)))
		(text "data[][]" (rect 6 33 44 47)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 44 48)(line_width 3))
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		(pt 0 64)
		(input)
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		(text "clock" (rect 6 51 35 65)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 44 64)(line_width 1))
		(unused)
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		(pt 0 32)
		(input)
		(text "aclr" (rect 6 19 24 33)(font "Arial" (font_size 8)))
		(text "aclr" (rect 6 19 27 33)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 44 32)(line_width 1))
		(unused)
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	(port
		(pt 56 96)
		(input)
		(text "sel[LPM_WIDTHS-1..0]" (rect 59 80 166 94)(font "Arial" (font_size 8)))
		(text "sel[]" (rect 59 80 82 94)(font "Arial" (font_size 8)))
		(line (pt 56 96)(pt 56 80)(line_width 3))
	)
	(port
		(pt 0 80)
		(input)
		(text "clken" (rect 6 67 31 81)(font "Arial" (font_size 8)))
		(text "clken" (rect 6 67 35 81)(font "Arial" (font_size 8)))
		(line (pt 0 80)(pt 44 80)(line_width 1))
		(unused)
	)
	(port
		(pt 112 56)
		(output)
		(text "result[LPM_WIDTH-1..0]" (rect 75 41 188 55)(font "Arial" (font_size 8)))
		(text "result[]" (rect 75 41 113 55)(font "Arial" (font_size 8)))
		(line (pt 68 56)(pt 112 56)(line_width 3))
	)
	(parameter
		"LPM_PIPELINE"
		"0"
		"Output latency in clock cycles - requires use of optional clock"
		"0" "1" "2" "3" "4" 
	)
	(parameter
		"LPM_SIZE"
		"4"
		"Number of inputs per MUX, any integer > 1"
		" 2" " 3" " 4" " 5" " 6" " 7" " 8" " 9" "10" "11" "12" "13" "14" "15" "16" "20" "24" "28" "32" "40" "48" "56" "64" 
	)
	(parameter
		"LPM_WIDTH"
		"10"
		"Number of MUXes, any integer > 0"
		" 1" " 2" " 3" " 4" " 5" " 6" " 7" " 8" " 9" "10" "11" "12" "13" "14" "15" "16" "20" "24" "28" "32" "40" "48" "56" "64" 
	)
	(parameter
		"LPM_WIDTHS"
		"CEIL(LOG2(LPM_SIZE))"
		"Width of sel[] port"
		"CEIL(LOG2(LPM_SIZE))"