Chetan,

Did you find out why a pullup resistor was required on an input pin?
I'm guessing the pullup was required for whatever cricuit was driving
the pin?

Regards

Mike

>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 09 May 2005 04:35
>To: pic microcontroller discussion list
>Subject: Re: [AVR] Using PB5 on Tiny11
>
>
>SOLVED!!!
>
>Pull-up was the culprit! Added a resistor, works just fine... :-)
>
>Regards,
>
>-- 
>Chetan Bhargava
>Web: http://www.bhargavaz.net
>Blog: http://microz.blogspot.com
>
>
>On 5/8/05, Chetan Bhargava <cbhargava@gmail.com> wrote:
>> Hi,
>> 
>> I'm trying to use PB5 on Tiny11 but am running into problems. I'm 
>> experimenting with AVR305 application note and instead of 
>PB0 I would 
>> like to use PB5 as it is an input only pin. I'm also inverting the 
>> received bits in software as I'm connecting the input pin to RS232 
>> using a 100k resistor and there is no inverter in between. 
>The program 
>> works using PB0 as RxD but doesn't work when I use PB5 as RxD :-(
>> 
>> I have disabled the reset pin using the fuse.
>> 
>> Is there any special init procedure to enable PB5?
>
>-- 
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