Hi Vincent,

I always use 74 I never seen problem like you described .
I would recommend you to  program one JW part and try again.
even you use RA4 it should work because of you are making them
inputs.

Andre Abelian




Vincent Deno wrote:

> I'm sure this is an easy problem, but I have been unable to get RB.4 to
> function correctly as an input (16C74).
>
> I have tried both enabling/disabling the pull-up resistors, to no avail.
> I am using Parallax Clearview In-Circuit emulator and am trying to
> discount the possibility of a hardware malfunction within the module.
>
> I have also tried the obvious test of making a program which does nothing
> but monitor that single pin.  The rest of the port is working properly.
> What am I missing?
>
> Thanks in Advance,
> Vince Deno