vh_syn.bdf

标准电视信号的同步生成程序

/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/
/*
Copyright (C) 1991-2005 Altera Corporation
Your use of Altera Corporation's design tools, logic functions 
and other software and tools, and its AMPP partner logic       
functions, and any output files any of the foregoing           
(including device programming or simulation files), and any    
associated documentation or information are expressly subject  
to the terms and conditions of the Altera Program License      
Subscription Agreement, Altera MegaCore Function License       
Agreement, or other applicable license agreement, including,   
without limitation, that your use is for the sole purpose of   
programming logic devices manufactured by Altera and sold by   
Altera or its authorized distributors.  Please refer to the    
applicable agreement for further details.
*/
(header "graphic" (version "1.3"))
(pin
	(input)
	(rect 64 216 232 232)
	(text "INPUT" (rect 133 -1 161 9)(font "Arial" (font_size 6)))
	(text "gclk" (rect 52 1 74 15)(font "Arial" (font_size 8)))
	(pt 168 8)
	(drawing
		(line (pt 92 12)(pt 117 12)(line_width 1))
		(line (pt 92 4)(pt 117 4)(line_width 1))
		(line (pt 121 8)(pt 168 8)(line_width 1))
		(line (pt 92 12)(pt 92 4)(line_width 1))
		(line (pt 117 4)(pt 121 8)(line_width 1))
		(line (pt 117 12)(pt 121 8)(line_width 1))
	)
	(text "VCC" (rect 136 7 156 17)(font "Arial" (font_size 6)))
)
(pin
	(output)
	(rect 768 200 944 216)
	(text "OUTPUT" (rect 1 -1 39 9)(font "Arial" (font_size 6)))
	(text "HD" (rect 90 0 106 14)(font "Arial" (font_size 8)))
	(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 768 216 944 232)
	(text "OUTPUT" (rect 1 -1 39 9)(font "Arial" (font_size 6)))
	(text "VD" (rect 90 0 107 14)(font "Arial" (font_size 8)))
	(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 528 168 696 248)
	(text "SYN_GEN" (rect 51 -1 117 15)(font "Courier New" (font_size 10)(bold)))
	(text "1" (rect 0 71 5 83)(font "Courier New" (bold)))
	(port
		(pt 0 24)
		(input)
		(text "gclk" (rect 20 20 43 32)(font "Courier New" (bold)))
		(text "gclk" (rect 20 20 43 32)(font "Courier New" (bold)))
		(line (pt 0 24)(pt 16 24)(line_width 1))
	)
	(port
		(pt 0 40)
		(input)
		(text "cnt19[18..0]" (rect 20 36 90 48)(font "Courier New" (bold)))
		(text "cnt19[18..0]" (rect 20 36 90 48)(font "Courier New" (bold)))
		(line (pt 0 40)(pt 16 40)(line_width 3))
	)
	(port
		(pt 168 24)
		(output)
		(text "clr" (rect 135 20 152 32)(font "Courier New" (bold)))
		(text "clr" (rect 135 20 152 32)(font "Courier New" (bold)))
		(line (pt 152 24)(pt 168 24)(line_width 1))
	)
	(port
		(pt 168 40)
		(output)
		(text "hd" (rect 140 36 151 48)(font "Courier New" (bold)))
		(text "hd" (rect 140 36 151 48)(font "Courier New" (bold)))
		(line (pt 152 40)(pt 168 40)(line_width 1))
	)
	(port
		(pt 168 56)
		(output)
		(text "vd" (rect 140 52 151 64)(font "Courier New" (bold)))
		(text "vd" (rect 140 52 151 64)(font "Courier New" (bold)))
		(line (pt 152 56)(pt 168 56)(line_width 1))
	)
	(drawing
		(line (pt 16 64)(pt 152 64)(line_width 1))
		(line (pt 16 16)(pt 152 16)(line_width 1))
		(line (pt 16 64)(pt 16 16)(line_width 1))
		(line (pt 152 64)(pt 152 16)(line_width 1))
	)
)
(symbol
	(rect 296 112 432 312)
	(text "LPM_COUNTER" (rect 20 0 133 16)(font "Arial" (font_size 10)))
	(text "2" (rect 3 190 7 200)(font "Arial" (font_size 6)))
	(port
		(pt 0 32)
		(input)
		(text "sset" (rect 20 23 44 37)(font "Arial" (font_size 8)))
		(text "sset" (rect 20 23 44 37)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 1))
		(unused)
	)
	(port
		(pt 0 48)
		(input)
		(text "sload" (rect 20 39 50 53)(font "Arial" (font_size 8)))
		(text "sload" (rect 20 39 50 53)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 16 48)(line_width 1))
		(unused)
	)
	(port
		(pt 0 64)
		(input)
		(text "updown" (rect 20 55 67 69)(font "Arial" (font_size 8)))
		(text "updown" (rect 20 55 67 69)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 16 64)(line_width 1))
		(unused)
	)
	(port
		(pt 0 80)
		(input)
		(text "cnt_en" (rect 20 71 58 85)(font "Arial" (font_size 8)))
		(text "cnt_en" (rect 20 71 58 85)(font "Arial" (font_size 8)))
		(line (pt 0 80)(pt 16 80)(line_width 1))
		(unused)
	)
	(port
		(pt 0 96)
		(input)
		(text "data[LPM_WIDTH-1..0]" (rect 20 87 146 101)(font "Arial" (font_size 8)))
		(text "data[]" (rect 20 87 51 101)(font "Arial" (font_size 8)))
		(line (pt 0 96)(pt 16 96)(line_width 3))
		(unused)
	)
	(port
		(pt 0 112)
		(input)
		(text "clock" (rect 27 104 56 118)(font "Arial" (font_size 8))(invisible))
		(text "clock" (rect 27 104 56 118)(font "Arial" (font_size 8))(invisible))
		(line (pt 0 112)(pt 16 112)(line_width 1))
	)
	(port
		(pt 0 128)
		(input)
		(text "clk_en" (rect 20 119 56 133)(font "Arial" (font_size 8)))
		(text "clk_en" (rect 20 119 56 133)(font "Arial" (font_size 8)))
		(line (pt 0 128)(pt 16 128)(line_width 1))
		(unused)
	)
	(port
		(pt 0 144)
		(input)
		(text "sconst" (rect 20 135 58 149)(font "Arial" (font_size 8)))
		(text "sconst" (rect 20 135 58 149)(font "Arial" (font_size 8)))
		(line (pt 0 144)(pt 16 144)(line_width 1))
		(unused)
	)
	(port
		(pt 0 160)
		(input)
		(text "sclr" (rect 20 151 41 165)(font "Arial" (font_size 8)))
		(text "sclr" (rect 20 151 41 165)(font "Arial" (font_size 8)))
		(line (pt 0 160)(pt 16 160)(line_width 1))
	)
	(port
		(pt 88 200)
		(input)
		(text "aload" (rect 81 154 95 184)(font "Arial" (font_size 8))(vertical))
		(text "aload" (rect 81 154 95 184)(font "Arial" (font_size 8))(vertical))
		(line (pt 88 200)(pt 88 184)(line_width 1))
		(unused)
	)
	(port
		(pt 72 200)
		(input)
		(text "aclr" (rect 65 162 79 183)(font "Arial" (font_size 8))(vertical))
		(text "aclr" (rect 65 162 79 183)(font "Arial" (font_size 8))(vertical))
		(line (pt 72 200)(pt 72 184)(line_width 1))
		(unused)
	)
	(port
		(pt 56 200)
		(input)
		(text "aset" (rect 49 159 63 183)(font "Arial" (font_size 8))(vertical))
		(text "aset" (rect 49 159 63 183)(font "Arial" (font_size 8))(vertical))
		(line (pt 56 200)(pt 56 184)(line_width 1))
		(unused)
	)
	(port
		(pt 104 200)
		(input)
		(text "aconst" (rect 96 147 110 185)(font "Arial" (font_size 8))(vertical))
		(text "aconst" (rect 96 147 110 185)(font "Arial" (font_size 8))(vertical))
		(line (pt 104 200)(pt 104 184)(line_width 1))
		(unused)
	)
	(port
		(pt 0 176)
		(input)
		(text "cin" (rect 20 167 36 181)(font "Arial" (font_size 8)))
		(text "cin" (rect 20 167 36 181)(font "Arial" (font_size 8)))
		(line (pt 0 176)(pt 16 176)(line_width 1))
		(unused)
	)
	(port
		(pt 136 96)
		(output)
		(text "q[LPM_WIDTH-1..0]" (rect 105 87 213 101)(font "Arial" (font_size 8)))
		(text "q[]" (rect 105 87 119 101)(font "Arial" (font_size 8)))
		(line (pt 120 96)(pt 136 96)(line_width 3))
	)
	(port
		(pt 136 112)
		(output)
		(text "eq[15..0]" (rect 99 103 148 117)(font "Arial" (font_size 8)))
		(text "eq[]" (rect 99 103 120 117)(font "Arial" (font_size 8)))
		(line (pt 120 112)(pt 136 112)(line_width 3))
		(unused)
	)
	(port
		(pt 136 128)
		(output)
		(text "cout" (rect 96 119 120 133)(font "Arial" (font_size 8)))
		(text "cout" (rect 96 119 120 133)(font "Arial" (font_size 8)))
		(line (pt 120 128)(pt 136 128)(line_width 1))
		(unused)
	)
	(parameter
		"LPM_AVALUE"
		""
		"Unsigned value associated with the aset port"
	)
	(parameter
		"LPM_DIRECTION"
		"\"UP\""
		"Selects between up/down, up, or down"
		"\"DEFAULT\"" "\"UP\"" "\"DOWN\"" 
	)
	(parameter
		"LPM_MODULUS"
		""
		"Optional counter wrap value"
	)
	(parameter
		"LPM_SVALUE"
		""
		"Unsigned value associated with the sset port"
	)
	(parameter
		"LPM_WIDTH"
		"19"
		"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" 
	)
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		(line (pt 16 184)(pt 16 16)(line_width 1))
		(line (pt 120 184)(pt 120 16)(line_width 1))
		(line (pt 16 120)(pt 24 112)(line_width 1))
		(line (pt 24 112)(pt 16 104)(line_width 1))
	)
	(annotation_block (parameter)(rect 432 24 552 112))
)
(connector
	(pt 432 208)
	(pt 528 208)
	(bus)
)
(connector
	(pt 488 192)
	(pt 528 192)
)
(connector
	(pt 256 312)
	(pt 488 312)
)
(connector
	(pt 232 224)
	(pt 256 224)
)
(connector
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	(pt 296 224)
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(connector
	(pt 696 192)
	(pt 736 192)
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(connector
	(pt 216 352)
	(pt 736 352)
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(connector
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	(pt 296 272)
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(connector
	(pt 696 208)
	(pt 768 208)
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(connector
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(connector
	(pt 736 352)
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)
(connector
	(pt 216 352)
	(pt 216 272)
)
(connector
	(pt 768 224)
	(pt 696 224)
)
(junction (pt 256 224))