nRF52 minimum reset hold time

[Remo]

Hi

What is the minimum hold time for a pin reset with the nRF52832? I didn't find it in the product specification.

Kind regards

[John]

I'm looking at version 1.3 of the product specification. Table 18.10.2 has a section that indicates how to calculate the pin reset time. It is based on the capacitive load of the pin. They provide several examples such as C=500nF the time is 32.5mS, C= 10uF the time is 650mS.

[Remo]

As far as I understand it, this time specifies how long it takes to pull up the reset line after power on. I want to know how long I must at least put the reset signal to low to reset the nRF52 when it's already running.

[bjorn-spockeli]

Hi Remo,

the RESET pin must be held low for a minimum of 0.2uS in order to generate a valid reset event. This is identical to the nRF51 Series.

Best regards

Bjørn

[Remo]

Thank you very much.