AIS2120 CRC and workflow

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微信图片_2025-09-30_111851_590.png

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!

Accelerometers

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Federica BossiBest answer

ST Technical Moderator

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 'Best answer' on the reply which solved your issue or answered your question.

Federica BossiBest answer

ST Technical Moderator

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 'Best answer' on the reply which solved your issue or answered your question.

Y

Yz2Author

Associate II

微信图片_2025-10-08_090139_754.png 微信图片_2025-10-08_094543_846.png 微信图片_2025-10-08_094627_918.png 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!

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