46.4 Signal Description

Table 46-1. Signal Description (Package I/Os)
Signal Name	I/O	Type	Function
VP2	Input	Analog	Voltage channel 2, positive input
VP1	Input	Analog	Voltage channel 1, positive input
VN	Input	Analog	Voltage channels negative input
IN2	Input	Analog	Current channel 2, negative input
IP2	Input	Analog	Current channel 2, positive input
IN1	Input	Analog	Current channel 1, negative input
IP1	Input	Analog	Current channel 1, positive input
VREF_AFE	I/O	Analog	Voltage reference output and ADC reference buffer input
VDDA	I/O	Analog	2.8V LDO output and analog circuit power supply input
VDDIN_AFE	Input	Power	2.8V LDO power supply input pin to connect to VDD3V3
GNDA	Input	Power	Analog circuit ground supply input
GNDREF	Input	Power	Voltage reference ground