diff --git a/SDK b/SDK
index 43c9e55..b75d4ea 160000
--- a/SDK
+++ b/SDK
@@ -1 +1 @@
-Subproject commit 43c9e552ba1c038577c48723d96ca8c825b11987
+Subproject commit b75d4ea0a368c0e2e7bb9c40c1258a39fff0919a
diff --git a/pyocd_user.py b/pyocd_user.py
index 52ad8f9..5450fae 100644
--- a/pyocd_user.py
+++ b/pyocd_user.py
@@ -10,3 +10,13 @@ def will_connect():
         flm="assets/FIRE_STM32H750_PRO_QSPI.FLM"
     )
     target.memory_map.add_region(extFlash)
+
+    extSDRAM = RamRegion(
+        name="SDRAM",
+        start=0xD0000000,
+        length=0x04000000,
+        access="rwx"
+    )
+
+    target.memory_map.add_region(extSDRAM)
+