User's Manual

Neo_GM650 User Manual V1.0
All rights reserved by Shenzhen Neoway Technology Co., Ltd Page 10 Total 14
8 Reserved DO PWM output Must externally connect 100k
pulldown resistor
9 GND PWR Ground
10 Reserved Reserved
11 Reserved Reserved
12 VCCIO
AO
2.8V output Can be supplied to IO level shift
circuit,loading capacity<50mA
13 VRTC PWR RTC power
2.8V，the highest output current is
2mA
14 BACK_LIGH
T
DO working station
indicator,output square
signal of 0.5S high
level,1.5Slow level
High level light LED ， need to
parallel connect a capacitor of
0.1uF
15 Reserved Reserved
16 Reserved Reserved
17 RESET
DI Reset
Soft reset input,low level reset
18 Reserved Reserved
19 Reserved Reserved
20 GND PWR Ground
21
ANT_GSM I/O GSM antenna RF
interface
22
GND PWR
Ground
23
DTR DI
Low power consumption
set
24 Reserved Reserved
25 Reserved
Reserved
26 Reserved
Reserved
27 KCOL0 DI Keyboard column scan 0 While using the serial interface to
update software version,pin27
KCOL0 must be high level
28
ON/OFF
DI
ON/OFF input
low level pulse can change
ON/OFF state。
29
Reserved Reserved
30 Reserved
Reserved
31 Reserved
Reserved
32 RING DO Ring output
33
Reserved Reserved
34 Reserved Reserved
35
Reserved Reserved
36 Reserved Reserved
37
GND
PWR
Ground
38,39
VBAT
PWR
Main Power
3.5V~4.3V，recommend 3.9V