3.2.6 Power Pins Description

Table 3-5. Power Pins Description
Pin No.	Pin Name	Power Rail	Type	Description
1, 5, 6, 8, 9, 11, 14, 31, 40, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 74, 82, 85, 90, 93, 94, 95, 121, 125, 126, 129, 133, 141, 142, 144, 128, 149, 155, 158, 160, 179, 181, 183, 184, 188	GND	GND	GND	Ground
159	VDDANA	VDDANA	I	Analog Voltage Input
143	VDDBU	VDDBU	I	Backup Voltage Input
161	VDDFUSE	VDDFUSE	I	VDDFUSE Voltage Input
73	VDDISC	VDDISC	I	VDDISC Voltage Input
2, 3, 4	VDD_MAIN	VDD_MAIN	I	Main Input Voltage
12, 13	VDD_3V3	VDD_3V3	O	3.3V Voltage Output
180	VLDO2	VLDO2	O	VLDO2 Output Voltage
150	VDDSDHC	VDDSDHC	I	VDDSDHC Input Voltage
185, 186	VDD_DDR	VDD_DDR	O	1.8V Output Voltage