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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- by noobie
- Sun Aug 10, 2025 8:46 pm
- Forum: Hardware
- Topic: P4, VBAT and CHIP_PU
- Replies: 0
- Views: 110
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