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https://opencores.org/ocsvn/or1k_old/or1k_old/trunk
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Rev 637 |
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CLK_UNCERTAINTY = 0.1 /* 100 ps */
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CLK_UNCERTAINTY = 0.1 /* 100 ps */
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DFFPQ2_CKQ = 0.2 /* Clk to Q in technology time units */
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DFFPQ2_CKQ = 0.2 /* Clk to Q in technology time units */
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DFFPQ2_SETUP = 0.1 /* Setup time in technology time units */
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DFFPQ2_SETUP = 0.1 /* Setup time in technology time units */
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/* Clocks constraints */
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/* Clocks constraints */
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create_clock dwb_clk_i -period CLK_PERIOD
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create_clock iwb_clk_i -period CLK_PERIOD
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create_clock CLK -period CLK_PERIOD
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create_clock CLK -period CLK_PERIOD
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set_clock_skew all_clocks() -uncertainty CLK_UNCERTAINTY
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set_clock_skew all_clocks() -uncertainty CLK_UNCERTAINTY
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set_dont_touch_network all_clocks()
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set_dont_touch_network all_clocks()
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/* Reset constraints */
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/* Reset constraints */
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/* Optimize all near-critical paths to give extra slack for layout */
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/* Optimize all near-critical paths to give extra slack for layout */
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c_range = CLK_PERIOD * 0.1
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c_range = CLK_PERIOD * 0.1
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group_path -critical_range c_range -name CLK -to CLK
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group_path -critical_range c_range -name CLK -to CLK
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/* Operating conditions */
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/* Operating conditions */
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set_operating_conditions TYPICAL
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set_operating_conditions WORST
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set_operating_conditions WORST
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set_operating_conditions WORST
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