Customising Jetson Nano pinout

Question

So I noticed yesterday that the Jetson Nano actually has the capability to remap some of the I O pins it s recommended to do it for each carrier board I wonder if it s possible to unlock some of the missing Jetson functionality this way

werdnum · Answer

https docs nvidia com jetson archives l4t archived l4t 3261 index html page Tegra 20Linux 20Driver 20Package 20Development 20Guide adaptation and bringup nano html 23wwpID0EAAI0QL0HA

werdnum · Answer

In particular there s something about an x4 and an x1 PCIe lane plus additionally USB3 0 and USB2 0 controllers

werdnum · Answer

I see the Orin has PCIE0 x4 around 131 162

werdnum · Answer

Which is same for Nano

werdnum · Answer

And then PCIE1 on the Orin is 167 174

werdnum · Answer

Hmm but that s reserved on the Nano

werdnum · Answer

I do see USB0 2 listed with 109 111 115 117 and 163 161

cfsworks · Answer

``` To define your board s pinmux configuration you must download the appropriate Jetson Nano pinmux table from the Jetson Download Center and customize it for the configuration of your board using the following procedures Be sure to get the right version of the table for your SOM ```

cfsworks · Answer

Absolutely wild to me that they use Microsoft Excel as the GUI for configuring these but it should make it pretty easy to see what combinations are valid at least

cfsworks · Answer

It s behind a login page but https developer nvidia com jetson nano pinmux

werdnum · Answer

Yeah There s some jetson io tool in recent versions of L4T apparently