Arduino Nano 33 BLE pinout and schematics are incorrect [MKC-559]

[kckemper]

At least the mapping for A0 is wrong in both the pinout diagram and the schematic.

• The pinout labels it as A0->AIN[0]
• The schematic labels it as A0->AIN[3]
• The NINA-B3 datasheets list it mapping to A0->AIN[2] (this is correct)

Pleas check over and update the schematic and pinout diagram with the correct part mapping.

[sebromero]

@facchinm ☝️ Is that true?

[facchinm]

I need to take a closer look, no time now...

[FunzioneFabio]

@agdl Can you doublecheck this please?

[agdl]

@kckemper thank you for reporting this. In any case the port is right. I would say to remove the AIN[x] label from the pinout since you just use the port value in the end. What do you think?

[kckemper]

Well, the nrf52840 ADC registers actually only use the AIN pins for configuration. You configure the SAADC with the AIN pin number and it takes over the appropriate port/pin. It's also incorrect in the schematic for A0. Some of the other analog pins are mapped ok in the schematic (A7->AIN1 is correct) but is wrong in the pinout document (A7->AIN7 is incorrect). I'm fine if you remove it from the pinout document but the schematic is still wrong for at least A0.

[FunzioneFabio]

@kckemper Thank you for reporting this, the pinouts are now corrected and uploaded on the website.
https://content.arduino.cc/assets/Pinout-NANOble_latest.pdf
https://content.arduino.cc/assets/Pinout-NANOsense_latest.pdf

@kengdahl can you please take care of the schematics?

[kengdahl]

@FunzioneFabio I don't generate the schematics. I'll have a talk with @agdl and get back to you. I can upload the schematics when they are done.

[per1234]

Hi @kengdahl. Is there any news on this? I see A0 is still associated with AIN3 in the schematics both PDF and Eagle.

[kengdahl]

@per1234 I have asked HW to make new schematics.