KL02Z reset pin datasheet confusion

[hughesk]

Page 9 of Rev4 of Document KL02P20M48SF0 states:

"

2. The reset pin only contains an active pull down device when configured as the RESET signal or as a GPIO. When

configured as a GPIO output, it acts as a pseudo open drain output.

"

My question is:

Why does this state that the reset pin contains an active pull down device?  The reset for this chip is active low, so shouldn't the chip contain a pullup resistor?

Or, am I reading this incorrectly and there is both a pullup resistor and an optional pulldown device?

Thanks!

[mjbcswitzerland · Accepted solution]

Hi

The text does look to be confusing or possibly not quite right.

If you check the user's manual it should however be clear that the RESET_b pin has a pull-up when configured as reset. See several sections, which all reinforce this:

Table 6.1

Regards

Mark

[hughesk]

Thank you, this clarifies things.  At the very least, that's 3 pullup references to 1 pulldown.  I'll also check this in-circuit.