Hi Martin,
You have to use the interrupt routine to clean the buffer.
Can you post your code ?
Regards,
Nicolas



> Hi all,
> i4m trying to comunicate a PC with a PIC16f874(clock 4 MHZ) , using the
USART asynchronous mode at 9600 bps. The length of each message is  8
>bytes (8bits,Non Parity,1Stop bit). This PIC has a FIFO buffer(Register
RCREG) of two bytes, so the idea is to clean the buffer before the third
byte >reach the buffer, i4ve been triying to improve the code in the PIC to
clean the buffer as fast as possible, but i 4m still having this problem. Is
there any good >code to avoid it? Can it be done adding hardware? Thanks  a
lot

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