User's Manual

N
720 Hardware User Guide
Copyright © Neoway Technology Co., Ltd 11
RING 13 DO Incoming call ring
V
OL
max=0.45V;
V
OH
min=1.35V;
1.8V
Leave it disconnected if you
do not use it.
Other Pins
FORCE_USB_BOOT 48 DI
Force to download and
upgrade control pin
V
IL
min=-0.3V;
V
IL
max=0.45V;
V
IH
min=1.35V;
V
IH
max=2.1V
1.8V
Leave it disconnected if you
do not use it.
ANT_MAIN 76 Main antenna 50 impedance
ANT_GPS 92 GPS antenna 50 impedance
ANT_AUX 94 4Gdiversity aerial 50 impedance
NC
2
3
4
5
6
7
8
9
10
11
12
15
16
18
19
21
22
23
24
25
50
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
NC
Leave them disconnected.
Do not use them.