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This "weak"-pullups are maybe aquivalent to a 10k resistor.

Palaniappan C schrieb:
> Hi all, 
> 
> What is weak pullup ? The strength 'strong' or 'weak' related 
> to voltage level or current level ? 
> 
> I am using PIC18f2525 and datasheet gives only 'weak' pullup current
> and not resistor value,  Why it is ?. 
> 
> My another doubt is , Weak pullups are done by resistors or active 
> components  ? ( Because, In academics, i have read somewhere , it is 
> difficult to fabricate passive components on IC than active components).
> 
> regards,
> palani.
> 

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