Hmmm
after looking through the whole coding again how then i see i have made a
stupid mistake

H'10111111'
Put the wrong heading for one of the constant value
----- Original Message -----
From: "Mike Hord" <gaidinmd@HOTMAIL.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Saturday, January 10, 2004 3:35 AM
Subject: Re: [PIC:]F876 USART problem


> What is connected to the RX pin?  Do you have it connected to an
> RS-232 level shifter?  If so, are you certain that the level shifter has
> the appropriate connections to ensure that the pin tied to RX gives
> the proper signal?  Could the input to the Receive buffer on the
> level shifter be bad or floating?
>
> Mike H.
>
>
> >From: PSL <L030010@SINGNET.COM.SG>
> >Reply-To: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
> >To: PICLIST@MITVMA.MIT.EDU
> >Subject: [PIC:]F876 USART problem
> >Date: Fri, 9 Jan 2004 23:51:15 +0800
> >
> >Hi All
> >
> >
> >I am using 16f876 USART but I have encounter something odd
> >below is a segment of my code
> >
> >
> >      banksel     SPBRG    ; bank0
> >      movlw      d'64'          ;  19200 baud @ 20 Mhz Fosc +0.16 err
> >      movwf      SPBRG
> >      movlw      b'00100100'     ; brgh = 1
> >      movwf     TXSTA           ; enable Async Transmission, set brgh
> >      banksel      RCSTA        ; bank0
> >      movlw      b'10010000'
> >      movwf      RCSTA           ; enable Async Reception
> >      movf       RCREG,w
> >      movf       RCREG,w
> >      movf       RCREG,w         ; flush receive buffer
> >
> >Guess what i got a 5 voltage signal coming out of RC7/RX which is already
> >configure as a input
> >and all my recieve rountie did not work but the TX is still working
> >
> >anyone have encounter this before?
> >
> >Thanks
> >
> >--
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>
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