Product Info

LTE Module Series
EC25 Hardware Design
EC25_Hardware_Design 8 / 112
Table Index
TABLE 1: FREQUENCY BANDS OF EC25 SERIES MODULE ....................................................................... 18
TABLE 2: KEY FEATURES OF EC25 MODULE .............................................................................................. 19
TABLE 3: I/O PARAMETERS DEFINITION ...................................................................................................... 26
TABLE 4: PIN DESCRIPTION ........................................................................................................................... 26
TABLE 5: OVERVIEW OF OPERATING MODES ............................................................................................ 38
TABLE 6: VBAT AND GND PINS ...................................................................................................................... 42
TABLE 7: PIN DEFINITION OF PWRKEY ........................................................................................................ 45
TABLE 8: RESET_N PIN DESCRIPTION ......................................................................................................... 47
TABLE 9: PIN DEFINITION OF THE (U)SIM INTERFACE ............................................................................... 49
TABLE 10: PIN DESCRIPTION OF USB INTERFACE ..................................................................................... 51
TABLE 11: PIN DEFINITION OF MAIN UART INTERFACE ............................................................................ 53
TABLE 12: PIN DEFINITION OF DEBUG UART INTERFACE......................................................................... 53
TABLE 13: LOGIC LEVELS OF DIGITAL I/O ................................................................................................... 54
TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACES ...................................................................... 56
TABLE 15: PIN DEFINITION OF SD CARD INTERFACE ................................................................................ 58
TABLE 16: PIN DEFINITION OF ADC INTERFACES ...................................................................................... 60
TABLE 17: CHARACTERISTIC OF ADC .......................................................................................................... 60
TABLE 18: PIN DEFINITION OF NETWORK CONNECTION STATUS/ACTIVITY INDICATOR .................... 61
TABLE 19: WORKING STATE OF THE NETWORK CONNECTION STATUS/ACTIVITY INDICATOR ......... 61
TABLE 20: PIN DEFINITION OF STATUS ....................................................................................................... 62
TABLE 21: BEHAVIOR OF RI ........................................................................................................................... 63
TABLE 22: PIN DEFINITION OF THE SGMII INTERFACE .............................................................................. 64
TABLE 23: PIN DEFINITION OF WIRELESS CONNECTIVITY INTERFACES ............................................... 66
TABLE 24: PIN DEFINITION OF USB_BOOT INTERFACE............................................................................. 69
TABLE 25: GNSS PERFORMANCE ................................................................................................................. 70
TABLE 26: PIN DEFINITION OF RF ANTENNA ............................................................................................... 72
TABLE 27: MODULE OPERATING FREQUENCIES ....................................................................................... 72
TABLE 28: PIN DEFINITION OF GNSS ANTENNA INTERFACE .................................................................... 76
TABLE 29: GNSS FREQUENCY ...................................................................................................................... 77
TABLE 30: ANTENNA REQUIREMENTS ......................................................................................................... 78
TABLE 31: ABSOLUTE MAXIMUM RATINGS ................................................................................................. 81
TABLE 32: THE MODULE POWER SUPPLY RATINGS .................................................................................. 82
TABLE 33: OPERATION AND STORAGE TEMPERATURES ......................................................................... 82
TABLE 34: EC25-E CURRENT CONSUMPTION ............................................................................................. 83
TABLE 35: EC25-A CURRENT CONSUMPTION ............................................................................................. 85
TABLE 36: EC25-V CURRENT CONSUMPTION ............................................................................................. 86
TABLE 37: EC25-J CURRENT CONSUMPTION ............................................................................................. 87
TABLE 38: EC25-AU CURRENT CONSUMPTION .......................................................................................... 88
TABLE 39: EC25-AUT CURRENT CONSUMPTION ........................................................................................ 91
TABLE 40: EC25-AF CURRENT CONSUMPTION ........................................................................................... 92
TABLE 41: GNSS CURRENT CONSUMPTION OF EC25 SERIES MODULE ................................................ 94