Part Number: TAA5412-Q1
Dears,
Could you help to review SCH and confirm some questions?
SCH

question,
- Should these four pins be grounded or left floating when not in use

2. Is it necessary to connect this VBAT and can it be left unconnected?

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Part Number: TAA5412-Q1
Dears,
Could you help to review SCH and confirm some questions?
SCH

question,

2. Is it necessary to connect this VBAT and can it be left unconnected?

Hello,
Schematic looks good - unused GPIO and VBAT can be left unconnected.
Best,
Garret