Quectel EC25-AUX

LTE Standard Module Series
EC25 Hardware Design
EC25_Hardware_Design 9 / 130
Table Index
TABLE 1: FREQUENCY BANDS OF EC25 SERIES MODULE ....................................................................... 16
TABLE 2: KEY FEATURES OF EC25 MODULE .............................................................................................. 17
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 ........................................................................................................ 43
TABLE 8: PIN DEFINITION OF RESET_N ....................................................................................................... 46
TABLE 9: PIN DEFINITION OF (U)SIM INTERFACE ....................................................................................... 48
TABLE 10: PIN DESCRIPTION OF USB INTERFACE ..................................................................................... 50
TABLE 11: PIN DEFINITION OF MAIN UART INTERFACE ............................................................................ 51
TABLE 12: PIN DEFINITION OF DEBUG UART INTERFACE......................................................................... 52
TABLE 13: LOGIC LEVELS OF DIGITAL I/O ................................................................................................... 52
TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACES ...................................................................... 55
TABLE 15: PIN DEFINITION OF SD CARD INTERFACE ................................................................................ 56
TABLE 16: PIN DEFINITION OF WIRELESS CONNECTIVITY INTERFACES ............................................... 58
TABLE 17: PIN DEFINITION OF ADC INTERFACES ...................................................................................... 62
TABLE 18: CHARACTERISTIC OF ADC .......................................................................................................... 62
TABLE 19: PIN DEFINITION OF SGMII INTERFACE ...................................................................................... 63
TABLE 20: PIN DEFINITION OF NETWORK CONNECTION STATUS/ACTIVITY INDICATOR .................... 65
TABLE 21: WORKING STATE OF NETWORK CONNECTION STATUS/ACTIVITY INDICATOR .................. 65
TABLE 22: PIN DEFINITION OF STATUS ....................................................................................................... 66
TABLE 23: BEHAVIORS OF RI ......................................................................................................................... 67
TABLE 24: PIN DEFINITION OF USB_BOOT INTERFACE............................................................................. 67
TABLE 25: GNSS PERFORMANCE ................................................................................................................. 69
TABLE 26: PIN DEFINITION OF RF ANTENNAS ............................................................................................ 71
TABLE 27: MODULE OPERATING FREQUENCIES ....................................................................................... 71
TABLE 28: PIN DEFINITION OF GNSS ANTENNA INTERFACE .................................................................... 75
TABLE 29: GNSS FREQUENCY ...................................................................................................................... 76
TABLE 30: ANTENNA REQUIREMENTS ......................................................................................................... 77
TABLE 31: ABSOLUTE MAXIMUM RATINGS ................................................................................................. 80
TABLE 32: POWER SUPPLY RATINGS .......................................................................................................... 81
TABLE 33: OPERATION AND STORAGE TEMPERATURES ......................................................................... 81
TABLE 34: EC25-E CURRENT CONSUMPTION ............................................................................................. 82
TABLE 35: EC25-A CURRENT CONSUMPTION ............................................................................................. 84
TABLE 36: EC25-V CURRENT CONSUMPTION ............................................................................................. 85
TABLE 37: EC25-J CURRENT CONSUMPTION ............................................................................................. 86
TABLE 38: EC25-AU CURRENT CONSUMPTION .......................................................................................... 87
TABLE 39: EC25-AUT CURRENT CONSUMPTION ........................................................................................ 90
TABLE 40: EC25-AF CURRENT CONSUMPTION ........................................................................................... 91
TABLE 41: EC25-AFX CURRENT CONSUMPTION ........................................................................................ 92