LP3500 low power mode serial E reveive

Hello

anyone have test LP3500 in low power mode 10 and wake up via serial E ? the follow code could turn to low power mode, but could not wake up via serial E.

#class auto
#define EINBUFSIZE  31
#define EOUTBUFSIZE 31
#ifndef _232BAUD
#define _232BAUD 19200
#endif

void main()
{
   int length,i;
   int var[100];

   //forceSoftReset();

        brdInit();

   serEopen(_232BAUD);
   serEwrFlush();
        serErdFlush();
   serMode(0);

   //serEputc (0x12);
   serEputc ('A');
   serEputc ('a');
   for(i=0;i<1000;i++);
   while(1)
   {

    devPowerSet(ALLDEVICES,1);
     
    serEputc ('B');
    serEputc ('b');

    for(i=0;i<1000;i++);
    devPowerSet(ALLDEVICES,0);      
    powerMode(10);
    hitwd();
   
    serCommAlert(10,1,0,0);       
    devPowerSet(ALLDEVICES,1);
    powerMode(1);
    serEwrFlush();
         serErdFlush();

    serEputc ('C');
  
    for(i=0;i<10000;i++);

    serEputc('D');
    for(i=0;i<10000;i++);
   }
}

running the code ,the lp3500 will turn to low power mode 10, the serial will output “Bb”, then type any characters on the termial, could not wake up the lp3500 turn to normal power mode.

Thanks!