diff --git a/xc_ppf1901.sct b/xc_ppf1901.sct
index e0a3b5a..9fe0b6b 100644
--- a/xc_ppf1901.sct
+++ b/xc_ppf1901.sct
@@ -22,13 +22,18 @@ CCM  0x10000000 0x10000
 
 SRAM 0x20000000 0x30000
 {
-	DATA_RAM 0x20000000 0x20000
+	DATA_RAM 0x20000000 0x1c000
 	{
 		*(+RW +ZI)
 	}
 
-	TXDMA 0x20020000 0x10000
+    TXDMA 0x2001c000 0x4000
+    {
+        serial.o(*.txdma* +ZI)
+    }
+    
+	RXDMA 0x20020000 0x10000
 	{
-		serial.o(.txdma* +ZI)
+		serial.o(.rxdma* +ZI)
 	}
 }
diff --git a/xc_ppf1901.uvproj b/xc_ppf1901.uvproj
index c3948f4..3d034ae 100644
--- a/xc_ppf1901.uvproj
+++ b/xc_ppf1901.uvproj
@@ -12,13 +12,13 @@
       <ToolsetName>ARM-ADS</ToolsetName>
       <TargetOption>
         <TargetCommonOption>
-          <Device>STM32F427ZI</Device>
+          <Device>STM32F429ZI</Device>
           <Vendor>STMicroelectronics</Vendor>
           <Cpu>IRAM(0x20000000-0x2002FFFF) IRAM2(0x10000000-0x1000FFFF) IROM(0x8000000-0x81FFFFF) CLOCK(25000000) CPUTYPE("Cortex-M4") FPU2</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
-          <StartupFile>"Startup\ST\STM32F4xx\startup_stm32f427x.s" ("STM32F427 Startup Code")</StartupFile>
+          <StartupFile>.\cmsis\src\startup_stm32f429_439xx.s</StartupFile>
           <FlashDriverDll>UL2CM3(-O207 -S0 -C0 -FO7 -FD20000000 -FC800 -FN1 -FF0STM32F4xx_2048 -FS08000000 -FL0200000)</FlashDriverDll>
-          <DeviceId>6791</DeviceId>
+          <DeviceId>7034</DeviceId>
           <RegisterFile>stm32f4xx.h</RegisterFile>
           <MemoryEnv></MemoryEnv>
           <Cmp></Cmp>
@@ -26,10 +26,11 @@
           <Linker></Linker>
           <OHString></OHString>
           <InfinionOptionDll></InfinionOptionDll>
-          <SLE66CMisc></SLE66CMisc>
+          <SLE66CMisc>-DSTM32F429_439xx</SLE66CMisc>
           <SLE66AMisc></SLE66AMisc>
           <SLE66LinkerMisc></SLE66LinkerMisc>
-          <SFDFile>SFD\ST\STM32F4xx\STM32F427x.sfr</SFDFile>
+          <SFDFile>SFD\ST\STM32F4xx\STM32F429x.SFR</SFDFile>
+          <bCustSvd>0</bCustSvd>
           <UseEnv>0</UseEnv>
           <BinPath></BinPath>
           <IncludePath></IncludePath>
@@ -97,6 +98,7 @@
           <StopOnExitCode>3</StopOnExitCode>
           <CustomArgument></CustomArgument>
           <IncludeLibraryModules></IncludeLibraryModules>
+          <ComprImg>1</ComprImg>
         </CommonProperty>
         <DllOption>
           <SimDllName>SARMCM3.DLL</SimDllName>
@@ -126,20 +128,23 @@
             <RestoreFunctions>1</RestoreFunctions>
             <RestoreToolbox>1</RestoreToolbox>
             <LimitSpeedToRealTime>0</LimitSpeedToRealTime>
+            <RestoreSysVw>1</RestoreSysVw>
           </Simulator>
           <Target>
             <UseTarget>1</UseTarget>
             <LoadApplicationAtStartup>1</LoadApplicationAtStartup>
-            <RunToMain>0</RunToMain>
+            <RunToMain>1</RunToMain>
             <RestoreBreakpoints>1</RestoreBreakpoints>
             <RestoreWatchpoints>1</RestoreWatchpoints>
             <RestoreMemoryDisplay>1</RestoreMemoryDisplay>
             <RestoreFunctions>0</RestoreFunctions>
             <RestoreToolbox>1</RestoreToolbox>
             <RestoreTracepoints>1</RestoreTracepoints>
+            <RestoreSysVw>1</RestoreSysVw>
+            <UsePdscDebugDescription>0</UsePdscDebugDescription>
           </Target>
           <RunDebugAfterBuild>0</RunDebugAfterBuild>
-          <TargetSelection>7</TargetSelection>
+          <TargetSelection>1</TargetSelection>
           <SimDlls>
             <CpuDll></CpuDll>
             <CpuDllArguments></CpuDllArguments>
@@ -153,7 +158,7 @@
             <PeripheralDll></PeripheralDll>
             <PeripheralDllArguments></PeripheralDllArguments>
             <InitializationFile></InitializationFile>
-            <Driver>Segger\JL2CM3.dll</Driver>
+            <Driver>BIN\UL2CM3.DLL</Driver>
           </TargetDlls>
         </DebugOption>
         <Utilities>
@@ -163,11 +168,16 @@
             <RunIndependent>0</RunIndependent>
             <UpdateFlashBeforeDebugging>1</UpdateFlashBeforeDebugging>
             <Capability>1</Capability>
-            <DriverSelection>4099</DriverSelection>
+            <DriverSelection>4096</DriverSelection>
           </Flash1>
-          <Flash2>Segger\JL2CM3.dll</Flash2>
+          <bUseTDR>1</bUseTDR>
+          <Flash2>BIN\UL2CM3.DLL</Flash2>
           <Flash3>"" ()</Flash3>
           <Flash4></Flash4>
+          <pFcarmOut></pFcarmOut>
+          <pFcarmGrp></pFcarmGrp>
+          <pFcArmRoot></pFcArmRoot>
+          <FcArmLst>0</FcArmLst>
         </Utilities>
         <TargetArmAds>
           <ArmAdsMisc>
@@ -334,7 +344,7 @@
           </ArmAdsMisc>
           <Cads>
             <interw>1</interw>
-            <Optim>1</Optim>
+            <Optim>3</Optim>
             <oTime>0</oTime>
             <SplitLS>0</SplitLS>
             <OneElfS>1</OneElfS>
@@ -346,9 +356,11 @@
             <wLevel>2</wLevel>
             <uThumb>0</uThumb>
             <uSurpInc>0</uSurpInc>
+            <uC99>1</uC99>
+            <useXO>0</useXO>
             <VariousControls>
-              <MiscControls>--c99 --diag_suppress=1293,188</MiscControls>
-              <Define>__FPU_USED=0 __FPU_PRESENT=1 STM32F429xx STM32F429_439xx HSE_VALUE=12000000 DATA_IN_ExtSDRAM  STM32F429ZI_EVAL  USE_STDPERIPH_DRIVER</Define>
+              <MiscControls> --diag_suppress=1293,188</MiscControls>
+              <Define>__FPU_PRESENT=1 STM32F429xx STM32F429_439xx HSE_VALUE=12000000 DATA_IN_ExtSDRAM  STM32F429ZI_EVAL  USE_STDPERIPH_DRIVER</Define>
               <Undefine></Undefine>
               <IncludePath>.\target;.\cmsis\inc;.\stdperiph\inc;.\drivers</IncludePath>
             </VariousControls>
@@ -362,6 +374,7 @@
             <SwStkChk>0</SwStkChk>
             <NoWarn>0</NoWarn>
             <uSurpInc>0</uSurpInc>
+            <useXO>0</useXO>
             <VariousControls>
               <MiscControls></MiscControls>
               <Define></Define>
@@ -378,6 +391,7 @@
             <useFile>0</useFile>
             <TextAddressRange>0x08000000</TextAddressRange>
             <DataAddressRange>0x20000000</DataAddressRange>
+            <pXoBase></pXoBase>
             <ScatterFile>.\xc_ppf1901.sct</ScatterFile>
             <IncludeLibs></IncludeLibs>
             <IncludeLibsPath></IncludeLibsPath>