Product Info
Table Of Contents
- About the Document
- Contents
- Table Index
- Figure Index
- 1Introduction
- 2Product Concept
- 3Application Interfaces
- 3.1.General Description
- 3.2.Pin Assignment
- 3.3.Pin Description
- 3.4.Power Supply
- 3.5.Turn on and off Scenarios
- 3.6.VRTC Interface
- 3.7.Power Output
- 3.8.Battery Charge and Management
- 3.9.USB Interface
- 3.10.UART Interfaces
- 3.11.(U)SIM Interfaces
- 3.12.SD Card Interface
- 3.13.GPIO Interfaces
- 3.14.I2C Interfaces
- 3.15.ADC Interfaces
- 3.16.Motor Drive Interface
- 3.17.LCM Interface
- 3.18.Touch Panel Interface
- 3.19.Camera Interfaces
- 3.20.Sensor Interfaces
- 3.21.Audio Interfaces
- 3.22.Emergency Download Interface
- 4Wi-Fi and BT
- 5GNSS
- 6Antenna Interface
- 7Electrical, Reliability and Radio Characteristics
- 8Mechanical Dimensions
- 9Storage, Manufacturing and Packaging
- 10Appendix A References
- 11Appendix B GPRS Coding Schemes
- 12Appendix C GPRS Multi-slot Classes
- 13Appendix D EDGE Modulation and Coding Schemes
Smart LTE Module Series
SC20 Hardware Design
SC20_Hardware_Design Confidential / Released
3-33
/ 122
Other Interfaces
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
VIB_DRV
28
PO
Motor drive
Connected to the
negative terminal of
the motor.
RESET_N
179
DI
Reset the module
USB_BOOT
46
DI
Force the module to
boot from USB port
Set USB_BOOT pin
to high level will
force the module to
enter into
emergency
download mode.
CHARGE_
SEL
127
DI
Used for charger
selection
If it is open,
internal charger is
used;
If it is connected to
GND, external
charger is used.
Reserved Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
RESERVED
151, 152,
153, 154,
155, 156,
157, 158,
159, 183,
187, 190,
191, 194,
195, 196,
197, 199,
202, 203,
204, 205,
206, 207,
210
Reserved pins
Not connected by
default.