Quectel EG91 Series Hardware Design page 8

Table Index
TABLE 1: FREQUENCY BANDS OF EG91 SERIES MODULE ....................................................................... 16
TABLE 2: KEY FEATURES OF EG91 MODULE ............................................................................................... 17
TABLE 3: IO PARAMETERS DEFINITION ........................................................................................................ 23
TABLE 4: PIN DESCRIPTION ........................................................................................................................... 23
TABLE 5: OVERVIEW OF OPERATING MODES ............................................................................................. 30
TABLE 6: PIN DEFINITION OF VBAT AND GND ............................................................................................. 35
TABLE 7: PIN DEFINITION OF PWRKEY ........................................................................................................ 37
TABLE 8: PIN DEFINITION OF RESET_N ....................................................................................................... 40
TABLE 9: PIN DEFINITION OF (U)SIM INTERFACES ..................................................................................... 42
TABLE 10: PIN DEFINITION OF USB INTERFACE ......................................................................................... 44
TABLE 11: PIN DEFINITION OF MAIN UART INTERFACES ........................................................................... 46
TABLE 12: PIN DEFINITION OF DEBUG UART INTERFACE ......................................................................... 46
TABLE 13: LOGIC LEVELS OF DIGITAL I/O .................................................................................................... 47
TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACES ....................................................................... 50
TABLE 15: PIN DEFINITION OF SPI INTERFACE ........................................................................................... 51
TABLE 16: PIN DEFINITION OF NETWORK STATUS INDICATOR ................................................................ 52
TABLE 17: WORKING STATE OF NETWORK STATUS INDICATOR .............................................................. 52
TABLE 18: PIN DEFINITION OF STATUS ........................................................................................................ 53
TABLE 19: PIN DEFINITION OF ADC INTERFACE ......................................................................................... 53
TABLE 20: CHARACTERISTICS OF ADC INTERFACE ................................................................................... 54
TABLE 21: DEFAULT BEHAVIORS OF RI ........................................................................................................ 54
TABLE 22: PIN DEFINITION OF USB_BOOT INTERFACE ............................................................................. 55
TABLE 23: GNSS PERFORMANCE ................................................................................................................. 57
TABLE 24: PIN DEFINITION OF RF ANTENNA ............................................................................................... 59
TABLE 25: MODULE OPERATING FREQUENCIES ........................................................................................ 59
TABLE 26: PIN DEFINITION OF GNSS ANTENNA INTERFACE ..................................................................... 63
TABLE 27: GNSS FREQUENCY ....................................................................................................................... 63
TABLE 28: ANTENNA REQUIREMENTS .......................................................................................................... 64
TABLE 29: ABSOLUTE MAXIMUM RATINGS .................................................................................................. 67
TABLE 30: POWER SUPPLY RATINGS ........................................................................................................... 67
TABLE 31: OPERATION AND STORAGE TEMPERATURES .......................................................................... 68
TABLE 32: EG91-E CURRENT CONSUMPTION ............................................................................................. 69
TABLE 33: EG91-NA CURRENT CONSUMPTION ........................................................................................... 71
TABLE 34: EG91-NS CURRENT CONSUMPTION .......................................................................................... 72
TABLE 35: EG91-V CURRENT CONSUMPTION ............................................................................................. 73
TABLE 36: EG91-EC CURRENT CONSUMPTION .......................................................................................... 74
TABLE 37: GNSS CURRENT CONSUMPTION OF EG91 ............................................................................... 76
TABLE 38: RF OUTPUT POWER ..................................................................................................................... 76
TABLE 39: EG91-E CONDUCTED RF RECEIVING SENSITIVITY .................................................................. 77
TABLE 40: EG91-NA CONDUCTED RF RECEIVING SENSITIVITY ............................................................... 77
TABLE 41: EG91-NS CONDUCTED RF RECEIVING SENSITIVITY ............................................................... 78
TABLE 42: EG91-V CONDUCTED RF RECEIVING SENSITIVITY .................................................................. 78
EG91_Hardware_Design 7 / 93
LTE Module Series
EG91 Hardware Design