i.MX6ULL : Unused power domain pins termination with ground

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i.MX6ULL : Unused power domain pins termination with ground

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sunildhaduk
Contributor IV

Hi,

We have used i.MX6ULL in our wearable medical product.

We want to connect unused power domain pins to ground which I/O pads are not used.

Ex. NVCC_UART pin supplies power to UART1-5 I/O pads.

If UART1-5 I/O pads are not used in an application then can we connect NVCC_UART pin to the ground?

Same can be done with other power domain pins which I/O pads are not used?

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igorpadykov
NXP Employee
NXP Employee

Hi Sunil

please refer to sect.2.5 Unused analog interfaces Hardware Development Guide for

the i.MX 6UltraLite Applications Processor for modules which could be left unpowered,

other power domains should be powered according to datasheet, even not used.

http://cache.freescale.com/files/32bit/doc/user_guide/IMX6ULHDG.pdf

Best regards
igor
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