Peter wrote:


> Does anyone know the value of the weak pull-ups that can be enabled for
> PORTB on the PIC18F452, The data sheet only gives pullup current, from
> which I calculated the resistor to be in the region of 500k. Could
> anyone confirm this?


The data sheet states that the current is a minimum of 50uA and a maximum of
450uA.  At 5v, this would give you a minimum of 11.11K and a maximum of 100K

Brian.

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