That chip is so old I am afraid to answer.
Looking at page 17 of the data sheet.
It looks like you would set the option register bit 6 to 0
OPTION.6 = 0 'sets weak pullups on gp0,gp1 and gp3
Add: Read this also
http://melabs.com/support/12-bit.htm
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Re: Pullup confusion 12c508a
That chip is so old I am afraid to answer.
Looking at page 17 of the data sheet.
It looks like you would set the option register bit 6 to 0
OPTION.6 = 0 'sets weak pullups on gp0,gp1 and gp3
Add: Read this also
http://melabs.com/support/12-bit.htm
Last edited by mark_s; - 10th September 2016 at 00:00.
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