Yes.. y not use a USART. PIC16F877 has one
----- Original Message -----
From: "Alan B. Pearce" <A.B.Pearce@RL.AC.UK>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, August 19, 2002 3:35 PM
Subject: Re: Can't receive chars on serial with interrupt... Urgent help is
neded...


> >I'm using a 18F452 with a 10MHz clock. Tied my MAX487 (RS-485)
> >with receive on RB0 and transmitt on RC5. Sending is fine but
> >receiving chars and just echoing them back wount work. Setting
> >RA0 high when interrupt goes in but it never goes high!
> >Anyone seeing something I missed? I'm quite lost (and tired) now.
>
> Is there a reason you are not using the internal hardware UART ? This
would
> make life a lot easier.
>
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