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Dram.bdf
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Dram.bdf
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/*
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) 1991-2015 Altera Corporation. All rights reserved.
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 from 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, the Altera Quartus II License Agreement,
the 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.
*/
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(parameter
"PoweringUp"
"00000"
""
(type "PARAMETER_UNSIGNED_BIN") )
(parameter
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"11111"
""
(type "PARAMETER_UNSIGNED_BIN") )
(parameter
"NOP"
"10111"
""
(type "PARAMETER_UNSIGNED_BIN") )
(parameter
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"10110"
""
(type "PARAMETER_UNSIGNED_BIN") )
(parameter
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"10101"
""
(type "PARAMETER_UNSIGNED_BIN") )
(parameter
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"10101"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"10100"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"10100"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"10001"
""
(type "PARAMETER_UNSIGNED_BIN") )
(parameter
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"10011"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"10010"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"10010"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"10000"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"10000"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"00000"
""
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(parameter
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"00001"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"00010"
""
(type "PARAMETER_UNSIGNED_BIN") )
(parameter
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"00000011"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"00000100"
""
(type "PARAMETER_UNSIGNED_BIN") )
(parameter
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"00011"
""
(type "PARAMETER_UNSIGNED_BIN") )
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"00000110"
""
(type "PARAMETER_UNSIGNED_BIN") )
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(text "State machine can set up dram signals on one edge of clock and then the dram samples them on the oppsite edge" (rect 920 112 1565 126)(font "Arial" (font_size 8)))
(text "68000 UDS and LDS signals control the byte select signals on Dram chip" (rect 1064 608 1474 622)(font "Arial" (font_size 8)))
(text "Dram controller driven off clock which is 180 degrees out of phase" (rect 48 280 429 294)(font "Arial" (font_size 8)))
(text "with normal 50Mhz clock (i.e. inverted)" (rect 48 296 267 310)(font "Arial" (font_size 8)))
(text "SDram Clock driven off PLL on main schematic, also driven off opposite edge of clock to the dram controller state machine so that" (rect 920 96 1655 110)(font "Arial" (font_size 8)))