4.2.6 Power Pin List

Table 4-6. Power Pin Description
Pin No.	Pin Name	Power Rail	Type	Description
54, 55	VDDIOM	VDDIOM	Output power	1.8V memory voltage output
52, 53	5V_MAIN	5V_MAIN	Input power	5V main input supply
123	VDDBU	VDDBU	Input power	Backup voltage input
41, 42	VDD_3V3	VDD_3V3	Output power	3.3V I/Os voltage output
29	VLDO1	VLDO1	Output power	Adjustable LDO voltage output
56	VDDQSPI	VDDQSPI	Input power	QSPI voltage input
1, 2, 3, 4, 10, 19, 20, 27, 38, 39, 40, 48, 57, 58, 67, 76, 77, 78, 85, 95, 96, 103, 114, 115, 116, 124, 133, 134, 141, 152	GND	Ground	Ground	Ground connection