Product Info

LTE Standard Module Series
EC25 Series Hardware Design
EC25_Series_Hardware_Design 9 / 126
Table Index
Table 1: Supported Frequency Bands and GNSS Function of EC25 Series Module ....................................... 17
Table 2: Key Features of EC25 Series Module ................................................................................................. 18
Table 3: I/O Parameters Definition .................................................................................................................... 24
Table 4: Pin Description .................................................................................................................................... 24
Table 5: Overview of Operating Modes ............................................................................................................. 36
Table 6: VBAT and GND Pins ........................................................................................................................... 40
Table 7: Pin Definition of PWRKEY ................................................................................................................... 42
Table 8: Pin Definition of RESET_N .................................................................................................................. 46
Table 9: Pin Definition of (U)SIM Interface ........................................................................................................ 47
Table 10: Pin Description of USB Interface ....................................................................................................... 49
Table 11: Pin Definition of Main UART Interface ............................................................................................... 51
Table 12: Pin Definition of Debug UART Interface ............................................................................................ 51
Table 13: Logic Levels of Digital I/O .................................................................................................................. 51
Table 14: Pin Definition of PCM and I2C Interfaces .......................................................................................... 54
Table 15: Pin Definition of SD Card Interface ................................................................................................... 55
Table 16: Pin Definition of Wireless Connectivity Interfaces ............................................................................. 57
Table 17: Pin Definition of ADC Interfaces ........................................................................................................ 60
Table 18: Characteristic of ADC ........................................................................................................................ 61
Table 19: Pin Definition of SGMII Interface ....................................................................................................... 61
Table 20: Pin Definition of Network Connection Status/Activity Indicator ......................................................... 64
Table 21: Working State of Network Connection Status/Activity Indicator ........................................................ 64
Table 22: Pin Definition of STATUS .................................................................................................................. 65
Table 23: Behaviors of RI .................................................................................................................................. 66
Table 24: Pin Definition of USB_BOOT Interface .............................................................................................. 66
Table 25: GNSS Performance ........................................................................................................................... 68
Table 26: Pin Definition of RF Antennas ........................................................................................................... 70
Table 27: Module Operating Frequencies ......................................................................................................... 70
Table 28: Pin Definition of GNSS Antenna Interface ......................................................................................... 74
Table 29: GNSS Frequency .............................................................................................................................. 75
Table 30: Antenna Requirements ...................................................................................................................... 76
Table 31: Absolute Maximum Ratings ............................................................................................................... 79
Table 32: Power Supply Ratings ....................................................................................................................... 80
Table 33: Operating and Storage Temperatures ............................................................................................... 80
Table 34: EC25-E Current Consumption ........................................................................................................... 81
Table 35: EC25-EX Current Consumption ........................................................................................................ 83
Table 36: EC25-A Current Consumption ........................................................................................................... 85
Table 37: EC25-V Current Consumption ........................................................................................................... 86
Table 38: EC25-J Current Consumption ........................................................................................................... 87
Table 39: EC25-AU Current Consumption ........................................................................................................ 88
Table 40: EC25-AUT Current Consumption ...................................................................................................... 91
Table 41: EC25-AF Current Consumption......................................................................................................... 92