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Each pin of B2B connectors JM4 and JM5 is capable of a maximum current of 1.0 A.

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power-rail name	nominal voltage (V)	maximum current (A)	power source	system supply	user supply
Vb2b	4.0 to 7.0	4.0 (4 pin × 1.0 ^A/_pin)	JM5	module	-
Vusb	5.0	0.5	J1	module	-
Vsup	4.0 to 7.0	< 0.5	Vusb	3 × DC/DC DC/DC sync power-fail	JM5 (≤1.0 A)
Vsup	4.0 to 7.0	< 4	Vb2b	3 × DC/DC DC/DC sync power-fail	JM5 (≤1.0 A)
3.3V	3.3	3.0	Vsup â-º DC/DC	module	JM4 (≤1.0 A) JM5 (≤1.0 A)
2.5V	2.5	3.0	Vsup â-º DC/DC	DDR SDRAM	JM5 (≤1.0 A)
1.2V	1.2	3.0	Vsup â-º DC/DC	VCCINT	JM5 (≤1.0 A)
VCCAUX	2.5	0.3	3.3V â-º LDO	VCCAUX	JM4 (≤1.0 A)
VCCAUX	3.3	< 3.0	3.3V	VCCAUX	JM4 (≤1.0 A)
VCCCIO0	2.5	< 3.0	2.5V	VCCO (bank 0)	JM4 (≤1.0 A)
	3.3	< 3.0	3.3V		JM4 (≤1.0 A)
	1.10 to 3.60	2.0 (2 pin × 1.0 A/pin)	JM4 (30 + 44)		JM4 (30 / 44)

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Power Supervision

Power-on Reset

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