[nRF52840]When Reset pin(0.18) is used for QSPI, after initialization ,Jlink is disconnect.

[FrankBi]

Dears,

When Reset pin(0.18) is used for QSPI (GPIO macro is not defined as RESET), after initialization ,Jlink is disconnect.

Would you please suggest it? Thanks.

[awneil]

FrankBi said:

Jlink is disconnect

Please give some more detail on this.

If you're not using the pin as RESET, then you'll need to disconnect it from the J-Link's RESET line ...

[FrankBi]

Dears,

Thanks for kindly response.

Customer is use P0.18 for SD card. that is MISO pin. jlink is disconnect.

And "disconnect it from the J-Link's RESET line ..."

Meaning delete definition "CONFIG_GPIO_AS_PINRESET" ,right?

Thanks.

[awneil]

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FrankBi said:

Customer is use

Can the customer not post here direct?

Note that they could make it a Private case, if necessary ...

FrankBi said:

jlink is disconnect

Please clarify - you mean it loses connection, or there is no physical connection at all, or ... ?

FrankBi said:

"disconnect it from the J-Link's RESET line ..."

Meaning delete definition

No. It means don't have a physical connection from the J-Link's RESET pin (pin 3 on the standard J-Link 20-pin connector)  to the pin on the nRF.

This is not to be recommended - as it increases your risk of getting locked-out altogether!

Can they not move the QSPI function to a different pin?