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https://opencores.org/ocsvn/spacewire_light/spacewire_light/trunk
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--
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--
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-- Test of spwstream on Digilent XC3S200 board.
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-- Test of spwstream on Digilent XC3S200 board.
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-- 60 MHz system clock, 200 MHz receive clock and transmit clock.
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--
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--
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-- LED 0 = link started
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-- LED 0 = link started
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-- LED 1 = link connecting
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-- LED 1 = link connecting
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-- LED 2 = link run
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-- LED 2 = link run
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-- LED 3 = link error (sticky until clear button)
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-- LED 3 = link error (sticky until clear button)
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attribute KEEP of fastclk: signal is "SOFT";
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attribute KEEP of fastclk: signal is "SOFT";
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component streamtest is
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component streamtest is
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generic (
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generic (
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sysfreq: real;
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sysfreq: real;
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txclkfreq: real;
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tickdiv: integer range 12 to 24 := 20;
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tickdiv: integer range 12 to 24 := 20;
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rximpl: spw_implementation_type := impl_generic;
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rximpl: spw_implementation_type := impl_generic;
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rxchunk: integer range 1 to 4 := 1;
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rxchunk: integer range 1 to 4 := 1;
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tximpl: spw_implementation_type := impl_generic;
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tximpl: spw_implementation_type := impl_generic;
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rxfifosize_bits: integer range 6 to 14 := 11;
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rxfifosize_bits: integer range 6 to 14 := 11;
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-- Streamtest instance
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-- Streamtest instance
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streamtest_inst: streamtest
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streamtest_inst: streamtest
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generic map (
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generic map (
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sysfreq => 60.0e6,
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sysfreq => 60.0e6,
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txclkfreq => 200.0e6,
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tickdiv => 22,
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tickdiv => 22,
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rximpl => impl_fast,
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rximpl => impl_fast,
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rxchunk => 4,
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rxchunk => 4,
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tximpl => impl_fast,
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tximpl => impl_fast,
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rxfifosize_bits => 11,
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rxfifosize_bits => 11,
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