MPC5606B startertrak board max input voltage for port pins

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MPC5606B startertrak board max input voltage for port pins

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sundar19
Contributor III

Hi,

I am using mpc5606b startertrak dev board . I have attached external transceivers TJA1050 with the CAN bus pins. I have supplied 5V to transceivers and thus the same logic voltage is applied to CAN port pins of mpc5606b. Can mpc5606b pins take 5V input? Will it damage the pins? 

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lukaszadrapa
NXP TechSupport
NXP TechSupport

Hi,

TRK-MPC5606B is supplied by 5V only, it's not configurable to 3.3V. So, there's no problem, you can connect a transceiver supplied by 5V.

The microcontroller itself supports both 3.3V and 5V supply voltage.But if 3.3V is used, the GPIO pins are not 5V tolerant.

Regards,

Lukas

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lukaszadrapa
NXP TechSupport
NXP TechSupport

Hi,

TRK-MPC5606B is supplied by 5V only, it's not configurable to 3.3V. So, there's no problem, you can connect a transceiver supplied by 5V.

The microcontroller itself supports both 3.3V and 5V supply voltage.But if 3.3V is used, the GPIO pins are not 5V tolerant.

Regards,

Lukas

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sundar19
Contributor III

You saying that if I power up mpc5606b with 3.3V , then its pins arent 5V tolerant? 
thank you

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lukaszadrapa
NXP TechSupport
NXP TechSupport

Yes, you can find in the datasheet:

lukaszadrapa_0-1621596721976.png

 

Regards,

Lukas

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sundar19
Contributor III

Thank you

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sundar19
Contributor III

Thank you so much

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