sayma_amc: fix RTM serial voltage

sbourdeauducq · sbourdeauducq · commit 26da349886d6 · 2017-08-20T19:12:32.000-04:00
diff --git a/migen/build/platforms/sinara/sayma_amc.py b/migen/build/platforms/sinara/sayma_amc.py
@@ -23,7 +23,7 @@
     ("serial_rtm", 0,
         Subsignal("tx", Pins("G27")),
         Subsignal("rx", Pins("H27")),
-        IOStandard("LVCMOS18")
+        IOStandard("LVCMOS33")
     ),
 
     # this is the second SPI flash (not containing the bitstream)
