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CAN TJA1145 SPI Interface

Question asked by Vinicius Oliveira on Jul 30, 2018
Latest reply on Nov 17, 2018 by yuming wang



In this project I need to interface CAN transceiver TJA1145.

I do have NXP basic drivers for this device, but I'm trying something simple with no success.


For example, when I read the register 0xFE ( Device ID - A byte reserved for identification code), I should get the response 0x74(TJA1145), but the response is always 0xFF. I have tried with 0xFD ( data shifted to read byte ) and with 0xFE with no lucky.



Can anyone help me?


Thanks for your support.