Quectel HSPA+ Series, Проектирование аппаратного обеспечения

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UMTS/HSPA+ Module Series
UC200A-GL_Hardware_Design 5 / 78
Contents
Safety Information .................................................................................................................................... 3
About the Document ................................................................................................................................ 4
Contents .................................................................................................................................................... 5
Table Index ............................................................................................................................................... 7
Figure Index .............................................................................................................................................. 9
1
Introduction ..................................................................................................................................... 11
1.1. Special Marks ........................................................................................................................11
2 Product Overview ............................................................................................................................ 12
2.1. Frequency Bands and Functions .......................................................................................... 12
2.2. Key Features ........................................................................................................................ 13
2.3. Pin Assignment ..................................................................................................................... 15
2.4. Pin Description ..................................................................................................................... 16
2.5. EVB ...................................................................................................................................... 21
3 Operating Characteristics .............................................................................................................. 22
3.1. Operating Modes .................................................................................................................. 22
3.2. Sleep Mode .......................................................................................................................... 22
3.2.1. UART Application ......................................................................................................... 23
3.2.2. USB Application with USB Remote Wakeup Function ................................................. 23
3.2.2.1. USB Application with USB Suspend/Resume and MAIN_RI Wakeup Function
24
3.2.2.2. USB Application without USB Suspend Function ......................................... 25
3.3. Airplane Mode ...................................................................................................................... 26
3.3.1. Hardware ..................................................................................................................... 26
3.3.2. Software ...................................................................................................................... 26
3.4. Power Supply ....................................................................................................................... 26
3.4.1. Power Supply Interfaces .............................................................................................. 26
3.4.2. Reference Design for Power Supply ............................................................................ 27
3.4.3. Requirements for Voltage Stability ............................................................................... 28
3.5. Turn On ................................................................................................................................. 29
3.5.1. Turn on the Module with PWRKEY .............................................................................. 29
3.6. Turn Off ................................................................................................................................. 31
3.6.1. Turn off the Module with PWRKEY .............................................................................. 31
3.6.2. Turn off the Module with AT Command ........................................................................ 31
3.7. Reset .................................................................................................................................... 32
4
Application Interfaces ..................................................................................................................... 34
4.1. USB Interface ....................................................................................................................... 34
4.2. USB_BOOT Interface ........................................................................................................... 36