How to wake up the MC33771C

abdelrahmanMoh — Tue, 22 Apr 2025 19:08:05 GMT

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?

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!

Re: How to wake up the MC33771C

guoweisun — Wed, 23 Apr 2025 00:41:39 GMT

HI abdelrahmanMoh

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

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!

topic Re: How to wake up the MC33771C in MCX Microcontrollers

How to wake up the MC33771C

Re: How to wake up the MC33771C