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
3-24
/ 122
LDO6_1V8
125
PO
1.8V output power
supply
Vnorm=1.8V
I
O
max=100mA
Power supply for
peripherals.
2.2uF~4.7uF
capacitor is
recommended to be
applied to the
LDO6_1V8 pin.
If unused, keep this
pin open.
LDO17_2V85
129
PO
2.85V output
power supply
Vnorm=2.85V
I
O
max=300mA
Power supply for
peripherals.
2.2uF~4.7uF
capacitor is
recommended to be
applied to the
LDO17_2V85 pin.
If unused, keep this
pin open.
SD_LDO11
38
PO
Power supply for
SD card.
Vnorm=2.95V
I
O
max=600mA
SD_LDO12
32
PO
1.8V/2.95V output
power supply
Vnorm=2.95V
I
O
max=50mA
Power supply for
SD’s pull up circuits.
GND
3, 7, 12,
15, 27,
51, 62,
69, 76,
78, 85,
86, 88,
89, 120,
122, 130,
132, 135,
140, 143,
144,
147~150,
160~178,
180~182,
184~186,
188~189,
192~193,
198~200,
201~208,
GND