From 41a8a246b65460fd1abe86d39a4107c349ad60e4 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Mon, 1 Oct 2018 19:41:30 +0200 Subject: [PATCH] modules: express tFAW in ns --- litedram/modules.py | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/litedram/modules.py b/litedram/modules.py index cbae78f..62cef5d 100644 --- a/litedram/modules.py +++ b/litedram/modules.py @@ -253,7 +253,7 @@ class MT41J128M16(SDRAMModule): tRCD_800 = 13.1 tWR_800 = 13.1 tRFC_800 = 64 - tFAW_800 = (20, None) + tFAW_800 = (None, 50) tRC_800 = 50.625 tRAS_800 = 37.5 # DDR3-1066 @@ -261,7 +261,7 @@ class MT41J128M16(SDRAMModule): tRCD_1066 = 13.1 tWR_1066 = 13.1 tRFC_1066 = 86 - tFAW_1066 = (27, None) + tFAW_1066 = (None, 50) tRC_1066 = 50.625 tRAS_1066 = 37.5 # DDR3-1333 @@ -269,7 +269,7 @@ class MT41J128M16(SDRAMModule): tRCD_1333 = 13.5 tWR_1333 = 13.5 tRFC_1333 = 107 - tFAW_1333 = (30, None) + tFAW_1333 = (None, 45) tRC_1333 = 49.5 tRAS_1333 = 36 # DDR3-1600 @@ -277,7 +277,7 @@ class MT41J128M16(SDRAMModule): tRCD_1600 = 13.75 tWR_1600 = 13.75 tRFC_1600 = 128 - tFAW_1600 = (32, None) + tFAW_1600 = (None, 40) tRC_1600 = 48.75 tRAS_1600 = 35 # API retro-compatibility @@ -352,13 +352,13 @@ class MT8JTF12864(SDRAMModule): tRCD_1066 = 15 tWR_1066 = 15 tRFC_1066 = 86 - tFAW_1066 = (27, None) + tFAW_1066 = (None, 50) # DDR3-1333 tRP_1333 = 15 tRCD_1333 = 15 tWR_1333 = 15 tRFC_1333 = 107 - tFAW_1333 = (30, None) + tFAW_1333 = (None, 45) # API retro-compatibility tRP = tRP_1333 tRCD = tRCD_1333 @@ -382,19 +382,19 @@ class MT18KSF1G72HZ(SDRAMModule): tRCD_1066 = 15 tWR_1066 = 15 tRFC_1066 = 86 - tFAW_1066 = (27, None) + tFAW_1066 = (None, 50) # DDR3-1333 tRP_1333 = 15 tRCD_1333 = 15 tWR_1333 = 15 tRFC_1333 = 107 - tFAW_1333 = (30, None) + tFAW_1333 = (None, 45) # DDR3-1600 tRP_1600 = 13.125 tRCD_1600 = 13.125 tWR_1600 = 13.125 tRFC_1600 = 128 - tFAW_1600 = (32, None) + tFAW_1600 = (None, 40) # API retro-compatibility tRP = tRP_1600 tRCD = tRCD_1600