From 84ee9394fe251d59d460ad81755f3f22d3ad0d72 Mon Sep 17 00:00:00 2001 From: Jens Ahrensfeld Date: Tue, 30 Mar 2021 09:50:28 +0000 Subject: [PATCH] - unrelate bus and cpu clock git-svn-id: http://moon:8086/svn/vhdl/trunk@1600 cc03376c-175c-47c8-b038-4cd826a8556b --- lib/CPUs/MIPS/syn/ise101/project/mips_top.xcf | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/lib/CPUs/MIPS/syn/ise101/project/mips_top.xcf b/lib/CPUs/MIPS/syn/ise101/project/mips_top.xcf index a00749d..3771aac 100644 --- a/lib/CPUs/MIPS/syn/ise101/project/mips_top.xcf +++ b/lib/CPUs/MIPS/syn/ise101/project/mips_top.xcf @@ -1,10 +1,13 @@ -# Bus clock nets -NET "CLK_I" TNM_NET = "sys_clk"; -TIMESPEC "TS_clk" = PERIOD "sys_clk" 9.9 ns HIGH 50 %; - +# CPU clock nets NET "cpu_clk" TNM_NET = "cpu_clk"; TIMESPEC "TS_cpu_clk" = PERIOD "cpu_clk" 9.9 ns HIGH 50 %; +# Bus clock nets +NET "CLK_I" TNM_NET = "bus_clk"; +TIMESPEC "TS_bus_clk" = PERIOD "bus_clk" 9.9 ns HIGH 50 %; +TIMESPEC "TS_unrelate_bus_clk" = FROM cpu_clk TO bus_clk TIG; + + BEGIN MODEL biu INST inst_bin_fifo ram_style = distributed; INST inst_bout_fifo ram_style = distributed;