Mike DeMetz wrote:
>
>  After checking my software over and over I found the problem with my
> simple serial tx PIC device to be the 16C54JW. It is one that has
> been mistreated. The problem is none of the i/o pins will sink
> low enough for TTL. They seem to source OK(LED) and on the scope the
> outputs go down to less than 1 volt with no load but only about 1.5
> volt with a MAX232 ic. (Everything worked fine with a 16C84).
> Anyone seen this type of behavior?
>
>  Also the program I wrote was done in Notepad with an imported TX
> routine. MPASM from windows assembles it with no problem, but when
> run from Build in MPLAB I get over 40 errors (movlw Illegal Opcode,
> label after column one). Any ideas?
Add directive:
        LIST    FREE
regards Vladimir