diff --git a/ClearCoreArduino.cppproj b/ClearCoreArduino.cppproj
index 7bf2b28..33324d8 100644
--- a/ClearCoreArduino.cppproj
+++ b/ClearCoreArduino.cppproj
@@ -29,16 +29,16 @@
     <eraseonlaunchrule>1</eraseonlaunchrule>
     <EraseKey />
     <AsfFrameworkConfig>
-      <framework-data xmlns="">
-        <options />
-        <configurations />
-        <files />
-        <documentation help="" />
-        <offline-documentation help="" />
-        <dependencies>
-          <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.40.0" />
-        </dependencies>
-      </framework-data>
+      <framework-data>
+  <options />
+  <configurations />
+  <files />
+  <documentation help="" />
+  <offline-documentation help="" />
+  <dependencies>
+    <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.44.1" />
+  </dependencies>
+</framework-data>
     </AsfFrameworkConfig>
     <avrtool>custom</avrtool>
     <avrtoolserialnumber>
@@ -114,6 +114,8 @@
       <Value>../Teknic/libClearCore/inc</Value>
       <Value>../Teknic/LwIP/LwIP/port/include</Value>
       <Value>../Teknic/LwIP/LwIP/src/include</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
+      <Value>%24(PackRepoDir)\atmel\SAME53_DFP\1.1.118\include</Value>
     </ListValues>
   </armgcc.compiler.directories.IncludePaths>
   <armgcc.compiler.optimization.level>Optimize most (-O3)</armgcc.compiler.optimization.level>
@@ -145,6 +147,8 @@
       <Value>../Teknic/libClearCore/inc</Value>
       <Value>../Teknic/LwIP/LwIP/src/include</Value>
       <Value>../Teknic/LwIP/LwIP/port/include</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
+      <Value>%24(PackRepoDir)\atmel\SAME53_DFP\1.1.118\include</Value>
     </ListValues>
   </armgcccpp.compiler.directories.IncludePaths>
   <armgcccpp.compiler.optimization.level>Optimize most (-O3)</armgcccpp.compiler.optimization.level>
@@ -176,6 +180,7 @@
     <ListValues>
       <Value>%24(PackRepoDir)\atmel\SAME53_DFP\1.1.118\include</Value>
       <Value>%24(PackRepoDir)\arm\cmsis\4.5.0\CMSIS\Include\</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
     </ListValues>
   </armgcccpp.assembler.general.IncludePaths>
   <armgcccpp.assembler.debugging.DebugLevel>Default (-g)</armgcccpp.assembler.debugging.DebugLevel>
@@ -183,6 +188,7 @@
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       <Value>%24(PackRepoDir)\arm\cmsis\4.5.0\CMSIS\Include\</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
     </ListValues>
   </armgcccpp.preprocessingassembler.general.IncludePaths>
   <armgcccpp.preprocessingassembler.debugging.DebugLevel>Default (-Wa,-g)</armgcccpp.preprocessingassembler.debugging.DebugLevel>
@@ -223,6 +229,8 @@
       <Value>../Teknic/libClearCore/inc</Value>
       <Value>../Teknic/LwIP/LwIP/port/include</Value>
       <Value>../Teknic/LwIP/LwIP/src/include</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
+      <Value>%24(PackRepoDir)\atmel\SAME53_DFP\1.1.118\include</Value>
     </ListValues>
   </armgcc.compiler.directories.IncludePaths>
   <armgcc.compiler.optimization.level>Optimize most (-O3)</armgcc.compiler.optimization.level>
@@ -253,6 +261,8 @@
       <Value>../Teknic/libClearCore/inc</Value>
       <Value>../Teknic/LwIP/LwIP/src/include</Value>
       <Value>../Teknic/LwIP/LwIP/port/include</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
+      <Value>%24(PackRepoDir)\atmel\SAME53_DFP\1.1.118\include</Value>
     </ListValues>
   </armgcccpp.compiler.directories.IncludePaths>
   <armgcccpp.compiler.optimization.level>Optimize most (-O3)</armgcccpp.compiler.optimization.level>
@@ -283,6 +293,7 @@
     <ListValues>
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       <Value>%24(PackRepoDir)\arm\cmsis\4.5.0\CMSIS\Include\</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
     </ListValues>
   </armgcccpp.assembler.general.IncludePaths>
   <armgcccpp.assembler.debugging.DebugLevel>Default (-g)</armgcccpp.assembler.debugging.DebugLevel>
@@ -290,6 +301,7 @@
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       <Value>%24(PackRepoDir)\arm\cmsis\4.5.0\CMSIS\Include\</Value>
       <Value>%24(PackRepoDir)\atmel\SAME53_DFP\1.1.118\include</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
     </ListValues>
   </armgcccpp.preprocessingassembler.general.IncludePaths>
   <armgcccpp.preprocessingassembler.debugging.DebugLevel>Default (-Wa,-g)</armgcccpp.preprocessingassembler.debugging.DebugLevel>
diff --git a/TestSketch/TestSketch.cppproj b/TestSketch/TestSketch.cppproj
index f1760c3..7b7f102 100644
--- a/TestSketch/TestSketch.cppproj
+++ b/TestSketch/TestSketch.cppproj
@@ -36,7 +36,7 @@
   <documentation help="" />
   <offline-documentation help="" />
   <dependencies>
-    <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.39.0" />
+    <content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.44.1" />
   </dependencies>
 </framework-data>
     </AsfFrameworkConfig>
@@ -73,176 +73,182 @@
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
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-        <armgcc.common.outputfiles.lss>False</armgcc.common.outputfiles.lss>
-        <armgcc.common.outputfiles.eep>False</armgcc.common.outputfiles.eep>
-        <armgcc.common.outputfiles.bin>True</armgcc.common.outputfiles.bin>
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-        </armgcc.compiler.directories.IncludePaths>
-        <armgcc.compiler.optimization.level>Optimize most (-O3)</armgcc.compiler.optimization.level>
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-        <armgcccpp.preprocessingassembler.debugging.DebugLevel>Default (-Wa,-g)</armgcccpp.preprocessingassembler.debugging.DebugLevel>
-      </ArmGccCpp>
+  <armgcc.common.outputfiles.hex>False</armgcc.common.outputfiles.hex>
+  <armgcc.common.outputfiles.lss>False</armgcc.common.outputfiles.lss>
+  <armgcc.common.outputfiles.eep>False</armgcc.common.outputfiles.eep>
+  <armgcc.common.outputfiles.bin>True</armgcc.common.outputfiles.bin>
+  <armgcc.common.outputfiles.srec>False</armgcc.common.outputfiles.srec>
+  <armgcc.compiler.symbols.DefSymbols>
+    <ListValues>
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+  <armgcc.compiler.directories.IncludePaths>
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+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
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+  <armgcc.compiler.optimization.level>Optimize most (-O3)</armgcc.compiler.optimization.level>
+  <armgcc.compiler.optimization.PrepareFunctionsForGarbageCollection>True</armgcc.compiler.optimization.PrepareFunctionsForGarbageCollection>
+  <armgcc.compiler.optimization.PrepareDataForGarbageCollection>True</armgcc.compiler.optimization.PrepareDataForGarbageCollection>
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+  <armgcc.compiler.warnings.AllWarnings>True</armgcc.compiler.warnings.AllWarnings>
+  <armgcc.compiler.warnings.ExtraWarnings>True</armgcc.compiler.warnings.ExtraWarnings>
+  <armgcc.compiler.miscellaneous.OtherFlags>-std=gnu11 --param max-inline-insns-single=50 -MMD -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16</armgcc.compiler.miscellaneous.OtherFlags>
+  <armgcccpp.compiler.symbols.DefSymbols>
+    <ListValues>
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+  </armgcccpp.compiler.symbols.DefSymbols>
+  <armgcccpp.compiler.directories.DefaultIncludePath>False</armgcccpp.compiler.directories.DefaultIncludePath>
+  <armgcccpp.compiler.directories.IncludePaths>
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+      <Value>%24(PackRepoDir)\atmel\SAME53_DFP\1.1.118\include</Value>
+      <Value>../../Teknic/libClearCore/inc</Value>
+      <Value>../../Teknic/LwIP/LwIP/port/include</Value>
+      <Value>../../Teknic/LwIP/LwIP/src/include</Value>
+      <Value>../../cores/arduino</Value>
+      <Value>../../cores/arduino/api</Value>
+      <Value>../../variants/clearcore</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
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+  </armgcccpp.compiler.directories.IncludePaths>
+  <armgcccpp.compiler.optimization.level>Optimize most (-O3)</armgcccpp.compiler.optimization.level>
+  <armgcccpp.compiler.optimization.PrepareFunctionsForGarbageCollection>True</armgcccpp.compiler.optimization.PrepareFunctionsForGarbageCollection>
+  <armgcccpp.compiler.optimization.PrepareDataForGarbageCollection>True</armgcccpp.compiler.optimization.PrepareDataForGarbageCollection>
+  <armgcccpp.compiler.optimization.EnableLongCalls>False</armgcccpp.compiler.optimization.EnableLongCalls>
+  <armgcccpp.compiler.warnings.AllWarnings>True</armgcccpp.compiler.warnings.AllWarnings>
+  <armgcccpp.compiler.warnings.ExtraWarnings>True</armgcccpp.compiler.warnings.ExtraWarnings>
+  <armgcccpp.compiler.miscellaneous.OtherFlags>-std=gnu++11 -fno-threadsafe-statics -nostdlib --param max-inline-insns-single=500 -MMD -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16</armgcccpp.compiler.miscellaneous.OtherFlags>
+  <armgcccpp.linker.general.AdditionalSpecs>Use rdimon (semihosting) library (--specs=rdimon.specs)</armgcccpp.linker.general.AdditionalSpecs>
+  <armgcccpp.linker.libraries.Libraries>
+    <ListValues>
+      <Value>arm_cortexM4lf_math</Value>
+      <Value>libm</Value>
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+  </armgcccpp.linker.libraries.Libraries>
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+    <ListValues>
+      <Value>%24(ProjectDir)\Device_Startup</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\4.5.0\CMSIS\Lib\GCC</Value>
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+  <armgcccpp.linker.optimization.GarbageCollectUnusedSections>True</armgcccpp.linker.optimization.GarbageCollectUnusedSections>
+  <armgcccpp.linker.memorysettings.ExternalRAM />
+  <armgcccpp.linker.miscellaneous.LinkerFlags>-Tsame53n19a_flash.ld -mfloat-abi=hard -mfpu=fpv4-sp-d16</armgcccpp.linker.miscellaneous.LinkerFlags>
+  <armgcccpp.assembler.general.IncludePaths>
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+      <Value>%24(PackRepoDir)\arm\CMSIS\4.5.0\CMSIS\Include\</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
+    </ListValues>
+  </armgcccpp.assembler.general.IncludePaths>
+  <armgcccpp.assembler.debugging.DebugLevel>Default (-g)</armgcccpp.assembler.debugging.DebugLevel>
+  <armgcccpp.preprocessingassembler.general.DefaultIncludePath>False</armgcccpp.preprocessingassembler.general.DefaultIncludePath>
+  <armgcccpp.preprocessingassembler.general.IncludePaths>
+    <ListValues>
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+      <Value>%24(PackRepoDir)\arm\CMSIS\4.5.0\CMSIS\Include\</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
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+  </armgcccpp.preprocessingassembler.general.IncludePaths>
+  <armgcccpp.preprocessingassembler.debugging.DebugLevel>Default (-Wa,-g)</armgcccpp.preprocessingassembler.debugging.DebugLevel>
+</ArmGccCpp>
     </ToolchainSettings>
     <PostBuildEvent>"$(SolutionDir)\Teknic\Tools\uf2-builder\Release\uf2-builder.exe" "$(OutputDirectory)\$(OutputFileName).bin" "$(OutputDirectory)\$(OutputFileName).uf2"</PostBuildEvent>
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   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
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+  <armgcc.compiler.optimization.DebugLevel>Default (-g2)</armgcc.compiler.optimization.DebugLevel>
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+      <Value>../../Teknic/libClearCore/inc</Value>
+      <Value>../../Teknic/LwIP/LwIP/port/include</Value>
+      <Value>../../Teknic/LwIP/LwIP/src/include</Value>
+      <Value>../../cores/arduino</Value>
+      <Value>../../cores/arduino/api</Value>
+      <Value>../../variants/clearcore</Value>
+    </ListValues>
+  </armgcccpp.compiler.directories.IncludePaths>
+  <armgcccpp.compiler.optimization.level>Optimize most (-O3)</armgcccpp.compiler.optimization.level>
+  <armgcccpp.compiler.optimization.PrepareFunctionsForGarbageCollection>True</armgcccpp.compiler.optimization.PrepareFunctionsForGarbageCollection>
+  <armgcccpp.compiler.optimization.PrepareDataForGarbageCollection>True</armgcccpp.compiler.optimization.PrepareDataForGarbageCollection>
+  <armgcccpp.compiler.optimization.EnableLongCalls>False</armgcccpp.compiler.optimization.EnableLongCalls>
+  <armgcccpp.compiler.optimization.DebugLevel>Default (-g2)</armgcccpp.compiler.optimization.DebugLevel>
+  <armgcccpp.compiler.warnings.AllWarnings>True</armgcccpp.compiler.warnings.AllWarnings>
+  <armgcccpp.compiler.warnings.ExtraWarnings>True</armgcccpp.compiler.warnings.ExtraWarnings>
+  <armgcccpp.compiler.miscellaneous.OtherFlags>-std=gnu++11 -fno-threadsafe-statics -nostdlib --param max-inline-insns-single=500 -MMD -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16</armgcccpp.compiler.miscellaneous.OtherFlags>
+  <armgcccpp.linker.general.AdditionalSpecs>Use rdimon (semihosting) library (--specs=rdimon.specs)</armgcccpp.linker.general.AdditionalSpecs>
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+    <ListValues>
+      <Value>arm_cortexM4lf_math</Value>
+      <Value>libm</Value>
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+    <ListValues>
+      <Value>%24(ProjectDir)\Device_Startup</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\4.5.0\CMSIS\Lib\GCC</Value>
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+  <armgcccpp.linker.optimization.GarbageCollectUnusedSections>True</armgcccpp.linker.optimization.GarbageCollectUnusedSections>
+  <armgcccpp.linker.memorysettings.ExternalRAM />
+  <armgcccpp.linker.miscellaneous.LinkerFlags>-Tflash_with_bootloader.ld -mfloat-abi=hard -mfpu=fpv4-sp-d16</armgcccpp.linker.miscellaneous.LinkerFlags>
+  <armgcccpp.assembler.general.IncludePaths>
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+      <Value>%24(PackRepoDir)\arm\CMSIS\4.5.0\CMSIS\Include\</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
+    </ListValues>
+  </armgcccpp.assembler.general.IncludePaths>
+  <armgcccpp.assembler.debugging.DebugLevel>Default (-g)</armgcccpp.assembler.debugging.DebugLevel>
+  <armgcccpp.preprocessingassembler.general.DefaultIncludePath>False</armgcccpp.preprocessingassembler.general.DefaultIncludePath>
+  <armgcccpp.preprocessingassembler.general.IncludePaths>
+    <ListValues>
+      <Value>%24(PackRepoDir)\atmel\SAME53_DFP\1.1.118\include</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\4.5.0\CMSIS\Include\</Value>
+      <Value>%24(PackRepoDir)\arm\CMSIS\5.4.0\CMSIS\Core\Include\</Value>
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+  </armgcccpp.preprocessingassembler.general.IncludePaths>
+  <armgcccpp.preprocessingassembler.debugging.DebugLevel>Default (-Wa,-g)</armgcccpp.preprocessingassembler.debugging.DebugLevel>
+</ArmGccCpp>
     </ToolchainSettings>
     <PostBuildEvent>"$(SolutionDir)\Teknic\Tools\uf2-builder\Release\uf2-builder.exe" "$(OutputDirectory)\$(OutputFileName).bin" "$(OutputDirectory)\$(OutputFileName).uf2"</PostBuildEvent>
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