Quectel EC200A Series, Проектирование аппаратного обеспечения

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LTE Standard Module Series
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 .......................................................................................... 13
2.2. Key Features ........................................................................................................................ 14
2.3. Pin Assignment ..................................................................................................................... 17
2.4. Pin Description ..................................................................................................................... 18
2.5. EVB ...................................................................................................................................... 23
3
Operating Characteristics .............................................................................................................. 24
3.1. Operating Modes .................................................................................................................. 24
3.2. Sleep Mode .......................................................................................................................... 25
3.2.1. UART Application ......................................................................................................... 25
3.2.2. USB Application with USB Remote Wakeup Function ................................................. 25
3.2.2.1. USB Application with USB Suspend/Resume and RI Function .................... 27
3.2.2.2. USB Application without USB Suspend Function ......................................... 27
3.3. Airplane Mode ...................................................................................................................... 28
3.4. Power Supply ....................................................................................................................... 29
3.4.1. Power Supply Pins ....................................................................................................... 29
3.4.2. Reference Design for Power Supply ............................................................................ 29
3.4.3. Requirements for Voltage Stability ............................................................................... 30
3.5. Turn On ................................................................................................................................. 32
3.5.1. Turn on the Module with PWRKEY .............................................................................. 32
3.6. Turn Off ................................................................................................................................. 33
3.6.1. Turn off the Module with PWRKEY .............................................................................. 34
3.6.2. Turn off the Module with AT Command ........................................................................ 34
3.7. Reset .................................................................................................................................... 34
4 Application Interfaces ..................................................................................................................... 37
4.1. USB Interface ....................................................................................................................... 37
4.2. USB_BOOT Interface ........................................................................................................... 39
4.3. (U)SIM Interface ................................................................................................................... 40
4.4. PCM and I2C Interface ......................................................................................................... 42
4.5. UART Interface ..................................................................................................................... 45
4.6. SDIO Interface ...................................................................................................................... 47