How to wake up the MC33771C

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How to wake up the MC33771C

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abdelrahmanMoh
Contributor I

How can i go from IDLE or sleep mode to normal mode in the MC33771C, can you provide more details and can you provide me with the wake-up function, and to prevent entering the idle or sleep mode there should be active communication on the bus is that correct?

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Secondly, can you provide me with the No operation command which to my understanding resets the communication time-out timer to prevent the controller from going to IDLE or SLEEP mode.

Thanks in advance!

 

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guoweisun
NXP TechSupport
NXP TechSupport

HI abdelrahmanMoh

For the states change flow please see below picture for better understanding! you can also get this in datasheet page27.

guoweisun_0-1745368460933.png

2:You can refer to datasheet page 67-10.4.4 No operation command for more detail,

 or recommend you to look at  BCC software driver and the AN12084 – “MC3371/MC33772 Programming Guide”.

 

 

Thanks!

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