Table of Contents
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Contents
Safety Information ....................................................................................................................................... 3
About the Document ................................................................................................................................... 4
Contents ....................................................................................................................................................... 5
Table Index ................................................................................................................................................... 8
Figure Index ............................................................................................................................................... 10
1
Introduction ........................................................................................................................................ 12
1.1.
Special Marks .......................................................................................................................... 15
2
Product Overview .............................................................................................................................. 16
2.1.
Frequency Bands and Functions ............................................................................................ 16
2.2.
Key Features ........................................................................................................................... 17
2.3.
Functional Diagram ................................................................................................................. 20
2.4.
Pin Assignment ........................................................................................................................ 21
2.5.
Pin Description ........................................................................................................................ 22
2.6.
EVB ......................................................................................................................................... 35
3
Operating Characteristics ................................................................................................................. 36
3.1.
Power Supply .......................................................................................................................... 36
3.1.1.
Power Supply Pins ......................................................................................................... 36
3.1.2.
Battery Charge and Management .................................................................................. 36
3.1.3.
Reference Design for Power Supply .............................................................................. 38
3.1.4.
Requirements for Voltage Stability ................................................................................. 38
3.2.
Turn on .................................................................................................................................... 40
3.3.
Turn off .................................................................................................................................... 41
3.4.
VRTC Interface ........................................................................................................................ 42
3.5.
Power Output .......................................................................................................................... 43
4
Application Interfaces ....................................................................................................................... 44
4.1.
USB Interfaces ........................................................................................................................ 44
4.2.
UART Interfaces ...................................................................................................................... 47
4.3.
(U)SIM Interfaces .................................................................................................................... 49
4.4.
SD Card Interface .................................................................................................................... 51
4.5.
GPIO Interfaces ....................................................................................................................... 52
4.6.
I2C Interfaces .......................................................................................................................... 54
4.7.
I2S Interfaces .......................................................................................................................... 55
4.8.
ADC Interface .......................................................................................................................... 56
4.9.
LCM Interfaces ........................................................................................................................ 56
4.10.
Touch Panel Interface ............................................................................................................. 59
4.11.
Camera Interfaces ................................................................................................................... 60
4.12.
Sensor Interfaces .................................................................................................................... 67
4.13.
Flash Interfaces ....................................................................................................................... 67
4.14.
Keypad Interfaces ................................................................................................................... 68
4.15.
Vibration Driver Motor Interfaces ............................................................................................ 68
SC690A_Series_Hardware_Design
Smart Module Series
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