AVR-Chat

Hello,
I am trying to do serial communication with PC using STK500 & AVRSTUDIO4.  I have written a complete code. and I think now there is no change can b done in code. But my code is not working good. Is there any setting or wire connection i have to do on STK500?
I m giving my code below.
Plz reply me.

.include "m32def.inc"

LDI R16, 0X5F
OUT SPL, R16
LDI R16, 0X08
OUT SPH, R16

rjmp main
Init_Uart:
    ldi R16,0x00
    out ucsra,R16

    ldi R16,0x98
    out ucsrb,R16

    ldi R16,0x00
    out ubrrh,R16

    ldi R16,0x47
    out ubrrl,R16

    ldi R16,0x86
    out ucsrc,R16

    ldi R16,0x80
    out acsr,R16

    
    ret


main:
    sbi ddra,0
    call Init_Uart
again:
    ldi r16,'R'
    out udr,r16

wait:
    sbic ucsra,udre
    rjmp again
    sbi porta,0
    rjmp wait    

 
R.P.Modi





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