G6
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
5
2.2 Pin Description
Table 2-1 lists the definition of IO types
Table 2-1 IO definition
IO Type
B
Digital input/output, COMS logic level
DO Digital output, COMS logic level
DI
Digital input, COMS logic level
PO Power output
PI
Power supply input
AO Analog output
AI
Analog input
Level Feature
P1
Digital IO voltage
3.3 V level feature:
V
IH
=2.0 V~3.6 V, V
IL
= -0.3 V~0.8 V
V
OH
=2.4 V~3.3 V, V
OL
=0 V~0.4 V
Table 2-2 Pin Description
Signal
Pin
I/O Function
Level Feature
Remarks
Power Interfaces
VCC
23
PI
Main power
supply input
2.7 V~3.6 V
(TYP: 3.3 V)
Supply at most 100mA
V_BCKP
22
PI
Backup power
supply input
1.4 V~3.6 V
(TYP: 3.3/3.0 V)
I
norm
=20μA
Supply power for RTC and
backup RAM.
Leave this pin unconnected
if it is not used.
VCC_RF
9
PO
Power supply for
RF components
VCC_RF=VCC
Supply power for external
LNA or active antenna.
Leave this pin unconnected
if it is not used.
GND
10, 12, 13, 24
Ensure that all GND pins
are connected to the
ground.
