CAN TJA1145AT/0Z & TJA1145AT/FD/0Z Essentially different

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CAN TJA1145AT/0Z & TJA1145AT/FD/0Z Essentially different

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Louis1916
Contributor II

Customer feedback they use CAN TJA1145AT/0Z & TJA1145AT/FD/0Z,It was all used according to the CAN FD function, and there were no problems。Therefore, what is the specific difference between FD and FD in model naming。There are still differences from the specifications, as shown in the figure。Thanks!

微信图片_20240605111320.png

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JozefKozon
NXP TechSupport
NXP TechSupport

Dear Louis,

please refer to the section 7.3.2 in the TJA1145A datasheet. Depending on the CFDC bit setting the  TJA1145AT and the TJA1145AT/FD will behave same (CFDC=0=>error counter increments) or (CFDC=1) the TJA1145AT/FD will ignore the CAN FD frames=>error counter decrements.

JozefKozon_0-1717569894265.png

JozefKozon_1-1717570002324.png

With Best Regards,

Jozef

 

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123件の閲覧回数
JozefKozon
NXP TechSupport
NXP TechSupport

Dear Louis,

please refer to the section 7.3.2 in the TJA1145A datasheet. Depending on the CFDC bit setting the  TJA1145AT and the TJA1145AT/FD will behave same (CFDC=0=>error counter increments) or (CFDC=1) the TJA1145AT/FD will ignore the CAN FD frames=>error counter decrements.

JozefKozon_0-1717569894265.png

JozefKozon_1-1717570002324.png

With Best Regards,

Jozef