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LDmicro Forum - PIC16F876

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PIC16F876 (by Leo)
I having problem with the pic16f876 processor. Beacause of circuit design I assign the pin 6 (RA4) as output, there is not output on the pin, but went i asign as input the function is ok, any body having this problem?
Fri Sep 16 2011, 10:13:37
(no subject) (by Diego Goethel)
Leo,

This pin RA4 is analog channel, so it has specifics caracteristics and you must have preference for other pins like RB's and RD's for i/o.

Other thing, i prefer to use the PIC16F877, i never had any problem with it.

OK?
Fri Sep 16 2011, 20:31:13
(no subject) (by Leo)
Thanks my friend,Diego.
I use 877 previously, I just want to ty out the 876 because of the size is small.
Fri Sep 16 2011, 23:38:08
(no subject) (by MGP)
RA4 is an open drain output, connect this IO pin with a resistor of 3K3 to the Vcc and everything will work like the other IO pins.
See datasheet page 40.
Sat Sep 17 2011, 03:50:21
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