Unused GPIO Pin Configuration of S912ZVL12F0MLF

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Unused GPIO Pin Configuration of S912ZVL12F0MLF

899 次查看
labib_apag
Contributor I

Dear Altruist,

We are using S912ZVL12F0MLF MCU for a light module. We are having issue with the ESD test. It seems the MCU is resetting during the ESD test.

We have few unused GPIO pins the MCU. In order to achieve better ground of the MCU, we connected all unused GPIO pins with the ground.

What is the best configuration of the unused GPIO pins in order to achieve better EMC/ESD performance? 

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lama
NXP TechSupport
NXP TechSupport

Dear Labib, you shoud check whether you follow AN5084 - Hardware Design Guidelines for
the S12ZVL Microcontrollers.There is also comment related to unused pins.

https://www.nxp.com/webapp/Download?colCode=AN5084

Best regards,

Ladislav

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