CAN not working after processor expert configuration from S32K142 to S32K144

NitinUmmannanavar — Mon, 16 Sep 2024 12:17:38 GMT

Hello NXP.

I am using S32K142 RDB and SW from below link, everything is working fine including Freemaster.

https://community.nxp.com/t5/S32K-Knowledge-Base/Automotive-Electrical-E-compressor-Aircon-RDB-based...

Now i am porting the same on our in-house developed HW with the processor expert configuration. below is the observation based on configuration.

Configuration:

1. Clock oscillator changed from 16 MHz to 8 Mhz (Necessary changes are done on clock configuration)

2. Processors changed from S32K142 to S32K144 64pin

Error Observation :

1.We are encountering intermittent issues with the CAN communication. Specifically, the CAN connection with Freemaster is unreliable; it connects inconsistently, sometimes establishing a connection and other times failing to do so.

2.During these connectivity issues, when pausing and debugging, control is observed in the following code segment:

Function :void FTM_DRV_ClearStatusFlags(uint32_t instance,
uint32_t flagMask)

for (channel = 0U; channel < FEATURE_FTM_CHANNEL_COUNT; channel++) { if ((chnlMask & 0x00000001U) != 0x0U) { FTM_DRV_ClearChnEventStatus(ftmBase, channel); } chnlMask = chnlMask >> 1U; }

3.Commenting out the McuFtmConfig(); function and reprogramming the device results in stable CAN communication.

topic CAN not working after processor expert configuration from S32K142 to S32K144 in S32K

CAN not working after processor expert configuration from S32K142 to S32K144