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Subject: Re: power on mod and access to the SC1 pin
From: sophana (
Date: 2004-05-06

>>They sure do, I've used them this way myself. You have to reprogram a pin
>>an input, then it becomes high impedance.
>THX - that's new to me.
>I was once trying around as fooled.....
>Means you need to configure the port pin as input and then outputting to it
>as it would have been configured as output - is it like this ?
To make a pin open collector you dont drive the value of the pin (you
leave it at 0)
You only drive the input/output config bit.

Page was last modified "Jan 10 2012" The Rockbox Crew