LPC2119 UART0 Communication problem

hi all

i was trying to communicate the LPC2119 through UART0 module and PC( Hyper Terminal). the code is as follows.

#include<LPC21XX.H>

#define bitset(var,bitno) ((var) |=1<<(bitno))
#define bitclr(var,bitno) ((var) &=~(1<<(bitno)))

#define TEMT (1<<6)
#define LINE_FEED 0XA
#define CARRIAGE_RET 0XD

void init_UART0(void);

int main()
{ unsigned char indx,delay,dummy,result=0;
unsigned char string[] = {"lohia"};
bitset(PINSEL2,2); //configuring port1 pin31-26 as jtag
bitclr(PINSEL2,3); //configuring port1 pin25-16 as GPIO
PINSEL1=0x304500C0; //configuring port0 pin16-31
PINSEL0=0X00008255; //configuring port0 pin0-15
IO1DIR=0x00170000; //making port1.16,17,18,20 as o/p
init_UART0();

while(1)
{ indx=0; while(string[indx]) // Transmit till Null('\0')
{ while(!( U0LSR & TEMT )); //Wait til UOTHR&U0TSR empty

U0THR = string[indx];

dummy = string[indx];

indx++;

for(delay=0x0f;delay--;);
} if(dummy==0)
result=0;
result++;
while(!( U0LSR & TEMT )); //Wait til UOTHR&U0TSRempty
U0THR = LINE_FEED;
U0THR = CARRIAGE_RET;
} }

void init_UART0()
{

U0FCR = 0X07; // Enable FIFO's and reset them
U0LCR = 0X83; // Set DLAB, word length = 8 bits
U0DLL = 0X62; // Baud rate set to 9600
U0DLM = 0X0;
U0LCR = 0X03; // Clear DLAB

}
the hardware required for bus level conversions is also a readymade module(established). iam able to see the data was able pass correctly into dummy variable where as it was not able to go into U0THR ( observed in debug window) sometimes i recieve Framing error and Over run error(observed in debug window). i am not able to find what is the problem.
if there is any problem area that i have to concentrate please let me know

Thanks
VENKAT KIRAN