sdram_init: use 60ohm as rtt_wr default value

Seems the best for point to point according to tn4113_ddr3_point_to_point_design
2018-08-21 15:58:07 +02:00 · 2018-08-21 15:58:07 +02:00 · ae6f10a7e1
parent 522cbc97a1
commit ae6f10a7e1
1 changed files with 1 additions and 1 deletions
--- a/litedram/sdram_init.py
+++ b/litedram/sdram_init.py
@ -210,7 +210,7 @@ const unsigned int sdram_dfii_pix_rddata_addr[{n}] = {{

        # default electrical settings (point to point)
        rtt_nom = "60ohm"
-        rtt_wr = "120ohm"
+        rtt_wr = "60ohm"
        ron = "34ohm"

        # override electrical settings if specified