If CAN0 FD is enabled, are all CAN channels not allowed to use Rx FIFO?

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If CAN0 FD is enabled, are all CAN channels not allowed to use Rx FIFO?

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chengsz12060
Contributor II

My board is MCU S32K144.
I need to use two channels CAN.
CAN0→CAN-FD
CAN1→CAN Classical
CAN2→not used

Question1:
Is it allowed to use CAN1's Rx FIFO when CAN1 (CAN Classical) receives data?

Question2:
If CAN0 FD is enabled, are all CAN channels not allowed to use Rx FIFO?

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Senlent
NXP TechSupport
NXP TechSupport

Hi@chengsz12060

Question1:
Is it allowed to use CAN1's Rx FIFO when CAN1 (CAN Classical) receives data?

yes,

 

Question2:
If CAN0 FD is enabled, are all CAN channels not allowed to use Rx FIFO?

CAN1,CAN2 can still enable RX FIFO,

 

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294 Views
Senlent
NXP TechSupport
NXP TechSupport

Hi@chengsz12060

Question1:
Is it allowed to use CAN1's Rx FIFO when CAN1 (CAN Classical) receives data?

yes,

 

Question2:
If CAN0 FD is enabled, are all CAN channels not allowed to use Rx FIFO?

CAN1,CAN2 can still enable RX FIFO,

 

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