Power supply Interface Specification
Power shall be supplied to the basic CPU board through the power supply connector or VBAT pin of the expansion bus connector.
(1) Connector specification
- EIAJ RC5320A
- Connector for voltage class 2 (3.15V<vin<6.3V)
- Outer: Minus Inner: Plus
(2) Direction of Power Supply
VBAT pin of the expansion bus connector shall supply the power from the Expansion board to the CPU board. Other power pins shall supply the power from the CPU board to the Expansion board.
The following diode is recommended to be inserted into the power line.
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