LTE-A  Module  Series 
 EM06  Series  Hardware  Design 
EM06_Series_Hardware_Design                                           5  / 69 
 
 
 
Contents 
About the Document ................................................................................................................................... 3 
Contents ....................................................................................................................................................... 5 
Table Index ................................................................................................................................................... 7 
Figure Index ................................................................................................................................................. 8 
1  Introduction .......................................................................................................................................... 9 
1.1.  Safety Information ..................................................................................................................... 10 
2  Product Concept ................................................................................................................................ 11 
2.1.  General Description .................................................................................................................. 11 
2.2.  Key Features ............................................................................................................................. 12 
2.3.  Functional Diagram ................................................................................................................... 15 
2.4.  Evaluation Board ....................................................................................................................... 15 
3  Application Interfaces ....................................................................................................................... 16 
3.1.  Pin Assignment ......................................................................................................................... 17 
3.2.  Pin Description .......................................................................................................................... 18 
3.3.  Operating Modes ....................................................................................................................... 22 
3.4.  Power Supply ............................................................................................................................ 23 
3.4.1.  Decrease Voltage Drop .................................................................................................. 23 
3.4.2.  Reference Design of Power Supply ............................................................................... 24 
3.5.  Turn On/Off ............................................................................................................................... 25 
3.5.1.  Turn On the Module ....................................................................................................... 25 
3.5.1.1.  Turn On through GPIO Controlled FULL_CARD_POWER_OFF# ..................... 25 
3.5.1.2.  Turn On Automatically ......................................................................................... 25 
3.5.2.  Turn Off the Module ....................................................................................................... 27 
3.5.2.1.  Turn Off through FULL_CARD_POWER_OFF# ................................................. 27 
3.5.2.2.  Turn Off via AT Command ................................................................................... 27 
3.6.  Reset the Module ...................................................................................................................... 27 
3.7.  (U)SIM Interfaces ...................................................................................................................... 29 
3.8.  USB Interface ............................................................................................................................ 33 
3.9.  PCM and I2C Interfaces ............................................................................................................ 34 
3.10.  Control and Indication Interface ................................................................................................ 37 
3.10.1.  W_DISABLE1# ............................................................................................................... 37 
3.10.2.  WWAN_LED# ................................................................................................................. 38 
3.10.3.  WAKE_ON_WAN# ......................................................................................................... 39 
3.10.4.  DPR Signal ..................................................................................................................... 40 
3.11.  Antenna Tuner Control Interface* ............................................................................................. 40 
3.12.  Configuration Pins ..................................................................................................................... 41 
4  GNSS Receiver ................................................................................................................................... 42 
4.1.  General Description .................................................................................................................. 42 
4.2.  GNSS Performance .................................................................................................................. 42