P4, VBAT and CHIP_PU

noobie
Posts: 1
Joined: Sun Aug 10, 2025 8:41 pm

P4, VBAT and CHIP_PU

Postby noobie » Sun Aug 10, 2025 8:46 pm

Hello!

I'm making a portable device with P4. It should support sleep mode when only RTC is working. Question: what should I do with CHIP_PU pin? Do I need to pull it up for RTC to work?

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