diff --git a/src/Targets/TargetDescription/MemorySegment.hpp b/src/Targets/TargetDescription/MemorySegment.hpp
index f72a4eb6..f2747d48 100644
--- a/src/Targets/TargetDescription/MemorySegment.hpp
+++ b/src/Targets/TargetDescription/MemorySegment.hpp
@@ -4,6 +4,7 @@
 #include <optional>
 
 #include "src/Targets/TargetMemorySegmentType.hpp"
+#include "src/Targets/TargetMemory.hpp"
 
 #include "MemorySegmentSection.hpp"
 
@@ -17,18 +18,20 @@ namespace Targets::TargetDescription
         std::string key;
         std::string name;
         TargetMemorySegmentType type;
-        std::uint32_t startAddress;
-        std::uint32_t size;
-        std::optional<std::uint16_t> pageSize;
+        TargetMemoryAddress startAddress;
+        TargetMemorySize size;
+        TargetMemoryAccess access;
+        std::optional<TargetMemorySize> pageSize;
         std::map<std::string, MemorySegmentSection, std::less<void>> sectionsByKey;
 
         MemorySegment(
             const std::string& key,
             const std::string& name,
             TargetMemorySegmentType type,
-            std::uint32_t startAddress,
-            std::uint32_t size,
-            const std::optional<std::uint16_t>& pageSize,
+            TargetMemoryAddress startAddress,
+            TargetMemorySize size,
+            const TargetMemoryAccess& access,
+            const std::optional<TargetMemorySize>& pageSize,
             const std::map<std::string, MemorySegmentSection, std::less<void>>& sectionsByKey
         )
             : key(key)
@@ -36,6 +39,7 @@ namespace Targets::TargetDescription
             , type(type)
             , startAddress(startAddress)
             , size(size)
+            , access(access)
             , pageSize(pageSize)
             , sectionsByKey(sectionsByKey)
         {}
diff --git a/src/Targets/TargetDescription/TargetDescriptionFile.cpp b/src/Targets/TargetDescription/TargetDescriptionFile.cpp
index a8f0851f..8fe2e3da 100644
--- a/src/Targets/TargetDescription/TargetDescriptionFile.cpp
+++ b/src/Targets/TargetDescription/TargetDescriptionFile.cpp
@@ -394,6 +394,7 @@ namespace Targets::TargetDescription
         }
 
         const auto pageSize = TargetDescriptionFile::tryGetAttribute(xmlElement, "page-size");
+        const auto accessString = TargetDescriptionFile::tryGetAttribute(xmlElement, "rw");
 
         auto output = MemorySegment(
             TargetDescriptionFile::getAttribute(xmlElement, "key"),
@@ -401,8 +402,13 @@ namespace Targets::TargetDescription
             *type,
             StringService::toUint32(TargetDescriptionFile::getAttribute(xmlElement, "start")),
             StringService::toUint32(TargetDescriptionFile::getAttribute(xmlElement, "size")),
+            TargetMemoryAccess(
+                accessString.has_value() ? accessString->find('R') != std::string::npos : true,
+                accessString.has_value() ? accessString->find('W') != std::string::npos : true,
+                accessString.has_value() ? accessString->find('W') != std::string::npos : true
+            ),
             pageSize.has_value()
-                ? std::optional(StringService::toUint16(*pageSize))
+                ? std::optional(StringService::toUint32(*pageSize))
                 : std::nullopt,
             {}
         );