At 01:57 PM 10/8/96 -0400, you wrote:
>Hello,
>I was trying to use PORTA<4> as output pin but did not have any
>luck. Even if I use something like that:
>        BSF     PORTA,4
>LOOP:   GOTO    LOOP
>
>I do not see any positive voltage on output pin.
>Could it be related to the fact that RA4 is a schmit trigger ???
>
>Thank you.
>
>-Alex.
>
>PS. All PORTA pins configured as output.
>

Hi Alex.
The problem is because PORTA<4> is open-collector. This pin can only drive to
LOW. To put this pin on HIGH, you must put one pull-up resistor to VCC.
I hope this help.

*********************************************
Marcus A. de Souza      marcus@unetsul.com.br
Handicom Eletronica - Florianopolis SC Brazil
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