MPC5746B Pretended Networking Mode in STOP0

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MPC5746B Pretended Networking Mode in STOP0

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easygoing_ryu
Contributor I

Hi.

I have a question about pretended networking mode.

I tried MCU wakeup using FlexCAN0's pretended networking mode in STOP0 mode but doesn't work.

I set PNET_EN == 1 in CAN_MCR and I set FXOSC enable.

System mode is changed to STOP0 and I sent to frame to FlexCAN0 but MCU doesn't wakeup.

 

1) In STOP0 mode, I set FXOSC (40MHz). But I saw warning message about difference of module clock and pe clock. (module clock and pe clock is same == 40MHz )

2) I saw that MCU was awakened by other interrupt except CAN0 interrupt. (uart etc.)

Maybe CAN0 module does not seem to work.

Please give me some advice on this

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PetrS
NXP TechSupport
NXP TechSupport
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