S32KのトピックRe: s32k146evb CAN_PAL example issue

s32k146evb CAN_PAL example issue

yfliu — Fri, 19 Mar 2021 04:38:19 GMT

Got an offical s32k146 EVB board, created sample project from can_pal_s32k146 example, checked it from another commercial USBCAN box.

The USBCAN box complains sending error, which happened a lot with another board when the TJA1044 transceiver on that board was not enabled.

I am wondering if the UJA1169 transceiver on the official k146 EVB is not enabled by default?

Re: s32k146evb CAN_PAL example issue

Robin_Shen — Fri, 19 Mar 2021 06:43:56 GMT

Hi yfliu,

About how to use the SDK example, please refer the answer in CAN communication on s32k148EVB-Q144
The setting may different between S32K146EVB and S32K148EVB, you need to check the example and documentation of S32K146EVB.

Notice external 12V power adapter is needed.

Best Regards,
Robin
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Re: s32k146evb CAN_PAL example issue

yfliu — Fri, 19 Mar 2021 08:13:27 GMT

Robin,

Used a 9V power adaptor for the K146EVB and now it works! Many thanks!

Previsouly I tried the example with another K144 customer board using just USB power, so wasn't aware of the importance of the power supply for CAN interface on K146EVB board.

yfliu