/* The function is used to Set BOD threshold voltage. 
The  */
void SysCtlBODVoltSelect(unsigned char ulVoltage)
/* The function is used to Set BOD threshold voltage. 
The  */
void SysCtlBODVoltSelect(unsigned char ulVoltage)
{
    xASSERT((ulVoltage == SYSCTL_BOD_2_7) ||
            (ulVoltage == SYSCTL_BOD_3_8));
    SysCtlKeyAddrUnlock();
    xHWREG(GCR_BODCR) &= ~GCR_BODCR_BOD_VL_M;
    xHWREG(GCR_BODCR) |= ulVoltage;
    SysCtlKeyAddrLock();
}