Which SPI port?

Official Hardware Classic Zero
1

Hi,

One quick question.

On the schematics, there are two SPI Ports mentioned, which is the one that is actually supported by Arduino?

The one clearly marked with labels MOSI/3.7C etc. connected to J101, or the one connected to the Cortex Debug Connector ICSP connector?

Schematics can be found here:

Also, where can I find RX and TX0 on the schematic? I even don't know which header is where on the PCB... is it PA11_TCC0-W3 and PA10_TCC0-W2?
There are so many flaws in the more modern Arduino schematics....

Thanks!

2

On the schematics, there are two SPI Ports mentioned, which is the one that is actually supported by Arduino?

The SPI port supported by Arduino is the one connected to the ICSP header.

Also, where can I find RX and TX0 on the schematic? ...is it PA11_TCC0-W3 and PA10_TCC0-W2?

Yes.

3

Thanks for the fast supply.

I also found everything I needed on the Adafruit website :slight_smile: