High drive & QSPI pin on nRF52840

RE: High drive & QSPI pin on nRF52840

NicolasVoirol — Mon, 14 Jun 2021 14:58:15 GMT

Great ... Thx
Have a nice evening !

RE: High drive & QSPI pin on nRF52840

Einar Thorsrud — Mon, 14 Jun 2021 14:56:03 GMT

Hi Nicolas,

Yes, that is correct. Pins not marked as "Standard drive, low frequency I/O only" can be used with high frequency and/or high drive.

RE: High drive & QSPI pin on nRF52840

NicolasVoirol — Mon, 14 Jun 2021 14:53:16 GMT

Hi Einar,
Ok thanks for confirming this.

Could you also please confirm that High drive pins (-> for 32Mbits SPI) are those where nothing is written in the "recommended usage" column.

infocenter.nordicsemi.com/.../pin.html

For some pins it is written "Standard drive, low frequency I/O only" so I assume that others GPIO can be configured as High drive.
For QSPI we plan to use the recomended ones (P0.18, P0.19, P0.21 - P0.24)

Thx

RE: High drive & QSPI pin on nRF52840

Einar Thorsrud — Mon, 14 Jun 2021 14:34:57 GMT

Hi Nicolas,

That is no problem. You can see that from the instantiation table (peripherals with the same ID use the same HW resources and cannot be used together).