Quectel EC25-V - Page 6

LTE Module Series
EC25-V User Manual
EC25-V_User_Manual Confidential / Released 5 / 69
Table Index
TABLE 1: EC25 SERIES FREQUENCY BANDS ................................................................................................ 9
TABLE 2: EC25 KEY FEATURES ..................................................................................................................... 10
TABLE 3: IO PARAMETERS DEFINITION ........................................................................................................ 16
TABLE 4: PIN DESCRIPTION ........................................................................................................................... 16
TABLE 5: OVERVIEW OF OPERATING MODES ............................................................................................. 21
TABLE 6: VBAT AND GND PINS ....................................................................................................................... 26
TABLE 7: PWRKEY PIN DESCRIPTION .......................................................................................................... 28
TABLE 8: RESET_N PIN DESCRIPTION ......................................................................................................... 31
TABLE 9: PIN DEFINITION OF THE USIM INTERFACE ................................................................................. 32
TABLE 10: USB PIN DESCRIPTION ................................................................................................................ 34
TABLE 11: PIN DEFINITION OF THE MAIN UART INTERFACE ..................................................................... 36
TABLE 12: PIN DEFINITION OF THE DEBUG UART INTERFACE ................................................................. 36
TABLE 13: LOGIC LEVELS OF DIGITAL I/O .................................................................................................... 37
TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACE .......................................................................... 39
TABLE 15: PIN DEFINITION OF THE ADC ...................................................................................................... 41
TABLE 16: CHARACTERISTIC OF THE ADC .................................................................................................. 41
TABLE 17: PIN DEFINITION OF NETWORK INDICATOR ............................................................................... 41
TABLE 18: WORKING STATE OF THE NETWORK INDICATOR..................................................................... 42
TABLE 19: PIN DEFINITION OF STATUS ........................................................................................................ 43
TABLE 20: BEHAVIOR OF THE RI ................................................................................................................... 44
TABLE 21: GNSS PERFORMANCE ................................................................................................................. 45
TABLE 22: PIN DEFINITION OF THE RF ANTENNA ....................................................................................... 47
TABLE 23: THE MODULE OPERATING FREQUENCIES ................................................................................ 47
TABLE 24: PIN DEFINITION OF GNSS ANTENNA .......................................................................................... 48
TABLE 25: GNSS FREQUENCY ....................................................................................................................... 49
TABLE 26: ANTENNA REQUIREMENTS .......................................................................................................... 49
TABLE 27: ABSOLUTE MAXIMUM RATINGS .................................................................................................. 53
TABLE 28: THE MODULE POWER SUPPLY RATINGS .................................................................................. 53
TABLE 29: OPERATING TEMPERATURE ........................................................................................................ 54
TABLE 30: CONDUCTED RF OUTPUT POWER ............................................................................................. 55
TABLE 31: ELECTROSTATICS DISCHARGE CHARACTERISTICS ............................................................... 55
TABLE 32: RELATED DOCUMENTS ................................................................................................................ 63
TABLE 33: TERMS AND ABBREVIATIONS ...................................................................................................... 63
TABLE 34: DESCRIPTION OF DIFFERENT CODING SCHEMES .................................................................. 67