AIS2120 CRC and workflow

Yz2 · ‎2025-09-29

Could anyone give me some advice on debugging the AIS2120 accelerometer sensor? I've included my CRC check function above, as well as the data sent and received via SPI, but I still can't read the correct sensor ID. Thank you very much for your help!

Federica Bossi · ‎2025-09-30

Hi @Yz2 ,

Since AIS2120SX is an obsolete it is not supported anymore. However you can look at this previous question on st community that could help you!

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.

View solution in original post

Federica Bossi · ‎2025-09-30

Hi @Yz2 ,

Since AIS2120SX is an obsolete it is not supported anymore. However you can look at this previous question on st community that could help you!

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.

Yz2 · ‎2025-10-07

Referring to the technical manual, in order to read the device ID, I sent the following data. Could you please check if it is correct? Thank you very much for your help!

AIS2120 CRC and ​​workflow​​

AIS2120 CRC and workflow