From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Sun, 22 Mar 2015 02:20:02 +0000 (+0100)
Subject: sdram/module: fix tREFI on AS4C16M16
X-Git-Tag: 24jan2021_ls180~2450
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=92f81409f2e62262ff162cd4a85b1007c6a98594;p=litex.git

sdram/module: fix tREFI on AS4C16M16
---

diff --git a/misoclib/mem/sdram/module.py b/misoclib/mem/sdram/module.py
index 4572c001..c0c47fbb 100644
--- a/misoclib/mem/sdram/module.py
+++ b/misoclib/mem/sdram/module.py
@@ -93,7 +93,7 @@ class AS4C16M16(SDRAMModule):
 		"tRCD":		18,
 		"tWR":		12,
 		"tWTR":		2,
-		"tREFI":	256*1000*1000/4096,
+		"tREFI":	7800,
 		"tRFC":		60
 	}
 	def __init__(self, clk_freq):