Application is reseting

program DSC;

{$DEFINE DSC}
{$NOSHADOW}
{ $WG}                                           //global Warnings off

Device = xmega256A3, VCC=3.3;
{ $BOOTRST $20000}                               //Reset Jump to $20000

Import SysTick, RTclock, TINAstack, ADC_A, TickTimer, TickTimer2,
       SLIPportC0, SPI_D, SLIPportE0, SLIPportE1, SerPortF0;

From System Import longWord, FlashCheck_S;
From SerPort Import SerPortSelect;

Define
  OSCtype        = int32MHz,                     //CPU=32MHz
                   PLLmul=4,
                   prescB=1,                     //PeripherX4=32MHz
                   prescC=1;                     //PeripherX2=32MHz
  SysTick        = 10, adj;                      //msec
  StackSize      = $0100, iData;
  FrameSize      = $0100, iData;
  RTClock        = iData, DateTime;              //Time, DateTime
  RTCsource      = SysTick;
  TINAdriver     = ENC424J600;                   // Ethernet
  TINAport       = SPI_C, PortC, 4;              // SPItyp, SS_Port, SS_Pin
  TINAtimer      = Timer_D0;
  TINAsockets    = 4;
  ADCrefA        = REF100;                       // intern 1.0V reference
  ADCprescA      = 256;                          // prescaler 256
  ADCchansA      = [ 0, 1, 2];
  TickTimer      = Timer_C0;                     // use Timer_C0 and no PortPin
  TickTimer2     = Timer_C1;                     // use Timer_C1 and no PortPin
  SLIPportC0     = 115200;                       // LCD
  SLIPportCtrlC0 = PortC, 0, positive;
  SPIorderD      = MSB;                          //FRAM
  SPImodeD       = 0;                            //Clock Phase and Polarity
  SPIprescD      = 1;                            //presc = 0..3 -> 4/16/64/128
  SPI_SSD        = PortD, 4;                     //bit for SS chipselect
  SLIPportE0     = 115200;
  SLIPportCtrlE0 = SingleWire;                   //no line driver involved
  SLIPportE1     = 115200;
  SLIPportCtrlE1 = SingleWire;                   //no line driver involved
  SerPortF0      = 115200, parEven;
  TxBufferF0     = 255, iData;
  RxBufferF0     = 8, iData;
  FlashChkSum    = ProgEnd;

Uses
  System, DSC_Globals_V70, FRAM, TINA, tnDHCP, LCD, Ethernet,
  xSC_Engine, xSC_SW_SLIP, Monitor, DSC_Monitor;