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LTE Module Series

EC25Hardware Design

EC25_Hardware_DesignConfidential / Released 6 / 90

Table Index

TABLE 1: FREQUENCY BANDS OF EC25 SERIES MODULE ........................................................................ 12

TABLE 2: KEY FEATURES OF EC25 MODULE ............................................................................................... 13

TABLE 3: I/O PARAMETERS DEFINITION ....................................................................................................... 19

TABLE 4: PIN DESCRIPTION ........................................................................................................................... 19

TABLE 5: OVERVIEW OF OPERATING MODES ............................................................................................. 28

TABLE 6: VBAT AND GND PINS ....................................................................................................................... 32

TABLE 7: PWRKEY PIN DESCRIPTION .......................................................................................................... 35

TABLE 8: RESET_N PIN DESCRIPTION ......................................................................................................... 37

TABLE 9: PIN DEFINITION OF THE USIM CARD INTERFACE ...................................................................... 39

TABLE 10: PIN DESCRIPTION OF USB INTERFACE ..................................................................................... 41

TABLE 11: PIN DEFINITION OF THE MAIN UART INTERFACE ..................................................................... 43

TABLE 12: PIN DEFINITION OF THE DEBUG UART INTERFACE ................................................................. 43

TABLE 13:LOGIC LEVELS OF DIGITAL I/O ..................................................................................................... 44

TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACES ....................................................................... 46

TABLE 15: PIN DEFINITION OF THE ADC ...................................................................................................... 48

TABLE 16: CHARACTERISTIC OF THE ADC .................................................................................................. 48

TABLE 17: PIN DEFINITION OF NETWORK CONNECTION STATUS/ACTIVITY INDICATOR ...................... 48

TABLE 18: WORKING STATE OF THE NETWORK CONNECTION STATUS/ACTIVITY INDICATOR ........... 49

TABLE 19: PIN DEFINITION OF STATUS ........................................................................................................ 50

TABLE 20: BEHAVIOR OF THE RI ................................................................................................................... 50

TABLE 21: PIN DEFINITION OF THE SGMII INTERFACE .............................................................................. 51

TABLE 22: PIN DEFINITION OF WIRELESS CONNECTIVITY INTERFACES ................................................ 53

TABLE 23: PIN DEFINITION OF USB_BOOT INTERFACE ............................................................................. 56

TABLE 24: GNSS PERFORMANCE ................................................................................................................. 58

TABLE 25: PIN DEFINITION OF THE RF ANTENNA ....................................................................................... 60

TABLE 26: MODULE OPERATING FREQUENCIES ........................................................................................ 60

TABLE 27: PIN DEFINITION OF GNSS ANTENNA INTERFACE ..................................................................... 64

TABLE 28: GNSS FREQUENCY ....................................................................................................................... 64

TABLE 29: ANTENNA REQUIREMENTS .......................................................................................................... 65

TABLE 30: ABSOLUTE MAXIMUM RATINGS .................................................................................................. 68

TABLE 31: THE MODULE POWER SUPPLY RATINGS .................................................................................. 69

TABLE 32: OPERATING TEMPERATURE ........................................................................................................ 69

TABLE 33: EC25-E CURRENT CONSUMPTION ............................................................................................. 70

TABLE 34: EC25-A CURRENT CONSUMPTION ............................................................................................. 72

TABLE 35: GNSS CURRENT CONSUMPTION OF EC25 SERIES MODULE ................................................. 73

TABLE 36: RF OUTPUT POWER ..................................................................................................................... 73

TABLE 37: EC25-E CONDUCTED RF RECEIVING SENSITIVITY .................................................................. 74

TABLE 38: EC25-A CONDUCTED RF RECEIVING SENSITIVITY .................................................................. 74

TABLE 39: EC25-V CONDUCTED RF RECEIVING SENSITIVITY .................................................................. 75

TABLE 40: EC25-J CONDUCTED RF RECEIVING SENSITIVITY................................................................... 75

TABLE 41: ELECTROSTATICS DISCHARGE CHARACTERISTICS ............................................................... 76