S32KのトピックRe: Ethernet implementation using NXP S32K3X4EVB T-172 Board

Ethernet implementation using NXP S32K3X4EVB T-172 Board

kolyanimohanto — Fri, 20 Sep 2024 07:41:25 GMT

Hello

I am trying to implement Ethernet communication using NXP S32K3X4EVB T-172 Evaluation Board.

1. Could you please tell that which ethernet cable should I use for connection?

2. Also, I am not able to understand how to configure the pins and clock for that and how to proceed with the programming?

3. What tool can be used to analyze the output?

It would be very helpful If I get a reply the soonest.

Thanks and Regards

Kolyani

Re: Ethernet implementation using NXP S32K3X4EVB T-172 Board

PavelL — Fri, 20 Sep 2024 11:36:45 GMT

Hello,

1. Please follow this post - Automotive Ethernet Connector on TJA110x Adapter and S32k3x T172 Dev Board - NXP Community

2. The best choice would be to start with S32K3 lwip example in SW32K3_TCPIP_1.0.4_D2401 . Please navigate yourself through your NXP account to Software & Support / Product List / Automotive SW - S32K3 Standard Software / Automotive SW - S32K3 - Stacks. There is detailed "How to start" in the Release Notes. This link Ethernet (board: S32K3X4EVB-T172) _transceiver TJA1103 - NXP Community might be also useful for you.

3. Wireshark is handy for monitoring ethernet traffic.

Best regards,

Pavel

Re: Ethernet implementation using NXP S32K3X4EVB T-172 Board

kolyanimohanto — Mon, 23 Sep 2024 07:47:41 GMT

Hello

Thanks for responding, but I have some more doubts.

I tried checking with the 2 links you've shared but couldn't understand whether we need external "RDDRONE- T1ADAPT" for media conversion to 100BASE T1 as we already have the socket 2304372-1 : MATEnet Automotive Headers | TE Connectivity inbuilt in the NXP Board.

So, exactly which compatible cable should I use with the socket.

Please help me with these.

thanks,

Kolyani

Re: Ethernet implementation using NXP S32K3X4EVB T-172 Board

PavelL — Mon, 23 Sep 2024 08:42:51 GMT

Hello,

RDDRONE-T1ADAPT is used when your link partner is 100BASE-TX (e.g. your laptop). If your link partner is 100BASE-T1, like the other T172 board, you don't need it.

Regarding automotive ethernet cables, I found this page MATEnet Automotive Ethernet Connectors - TE | Mouser with link to compatible cables Specialised Cables – Mouser Europe. However, I use DIY twisted pair cable for my experiments on my desk.

Best regards,

Pavel

Re: Ethernet implementation using NXP S32K3X4EVB T-172 Board

kolyanimohanto — Fri, 27 Sep 2024 11:33:48 GMT

As suggested, I went through the lwIP_baremetal_S32K344 example, but I'm still confused with the Hardware connections.

Currently I want to establish a connection between NXP board and laptop. One thing I could understand is that I need a media converter but not sure which one is compatible with the board.

Also, can you please help me out with the hardware connections as the J415 which is built-in on the NXP board, for that what kind of Ethernet cable I should use as I saw some options like CAT5e or CAT6, but they don't fit-in on the board's J415.

Nothing is specified on the websites mentioned earlier by you.

Apart from the "Hardware connections", I wanted to understand what is pin strapping about?

BR, Kolyani

Re: Ethernet implementation using NXP S32K3X4EVB T-172 Board

PavelL — Mon, 30 Sep 2024 07:22:52 GMT

Hello,

100BASE-T1 is not compatible with 100BASE-TX ethernet in your laptop - please see Gigabit Ethernet - Wikipedia. So, you definitely needs a media converter like RDDRONE-T1ADAPT.

100BASE-T1 requires unshielded single twist pair with max length 15m. I don't have any other recommendation for the cable. As I've already shared, I usually do DIY cables.

Regarding SJA1110's pin strapping, please see chapter 7.11 of Datasheet and Errata Sheet SJA1110 (Sign in is required).

Best regards,

Pavel

Re: Ethernet implementation using NXP S32K3X4EVB T-172 Board

PavelL — Mon, 30 Sep 2024 07:27:12 GMT

Hello,

her is the link to the description of 100BASE-T1 Fast Ethernet - Wikipedia.

Best regards,

Pavel