User's Manual

Neo_GM650 User Manual V1.0
All rights reserved by Shenzhen Neoway Technology Co., Ltd Page 11 Total 14
40
Reserved Reserved
41 Reserved
Reserved
42 Reserved
Reserved
43 Reserved
Reserved
44 GND PWR
Ground
45
Reserved Reserved
46
Reserved Reserved
47
Reserved Reserved
48
Reserved Reserved
49
VSIM1
PWR
Power of SIM card 1
Compatible to 1.8/3.0V SIM card
50
SIM1_CLK
DO
Clock of SIM card 1
51
SIM1_RST
DO
SIM card 1 reset
52
SIM1_DATA
DIO
Data input&output of
SIM card 1
Built-in 5K pull-up resistor
53 GND PWR
Ground
54 MICP AI
Positive electrode of
MIC audio input
Alternating peak voltage≤200mV
55
MICN
AI
Negative electrode of
MIC audio input
Alternating peak voltage≤200mV
56
EARN
AO
Positive electrode of
earphone audio output
32Ω earphone driving output
57
EARP
AO
Negative electrode of
earphone audio output
32Ω earphone driving output
58
SPKN0
AO
Negative electrode of
speaker output
Maximum 0.9W@8Ω
59
SPKP0
AO
Positive electrode of
speaker output
Maximum 0.9W@8Ω
60
Reserved Reserved
Build-in internal 100k pull-up
resistor.
61
Reserved Reserved
62
Reserved Reserved
63
Reserved Reserved
64
Reserved Reserved
65
GND
PWR
Ground
66
Reserved Reserved
67
Reserved Reserved
68
Reserved Reserved
69
Reserved Reserved
70
CLK32K
DO
32.768kHZ real time
clock output
71
Reserved Reserved
72
Reserved Reserved