[Cryptech-Commits] [core/platform/alpha] 01/01: Constraints for 60 MHz FMC_CLK.

[git at cryptech.is]

This is an automated email from the git hooks/post-receive script.

meisterpaul1 at yandex.ru pushed a commit to branch fmc_clk_60mhz
in repository core/platform/alpha.

commit 714cf340b135a2b25281a6376168b8fe57c48e6e
Author: Pavel V. Shatov (Meister) <meisterpaul1 at yandex.ru>
AuthorDate: Thu Sep 6 13:21:21 2018 +0300

    Constraints for 60 MHz FMC_CLK.
---
 ucf/alpha_fmc.ucf | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/ucf/alpha_fmc.ucf b/ucf/alpha_fmc.ucf
index efefa76..7926762 100644
--- a/ucf/alpha_fmc.ucf
+++ b/ucf/alpha_fmc.ucf
@@ -49,7 +49,12 @@
 # FMC_CLK Timing (can be up to 90 MHz)
 #-------------------------------------------------------------------------------
 NET  "fmc_clk" TNM_NET = TNM_fmc_clk;
-TIMESPEC  TS_fmc_clk = PERIOD TNM_fmc_clk 11.111 ns HIGH 50%;
+
+# 90 MHz
+#TIMESPEC  TS_fmc_clk = PERIOD TNM_fmc_clk 11.111 ns HIGH 50%;
+
+# 60 MHz
+TIMESPEC  TS_fmc_clk = PERIOD TNM_fmc_clk 16.667 ns HIGH 50%;
 
 
 #-------------------------------------------------------------------------------