Service Guide

LTE Standard Module Series
EC200U_Series_Hardware_Design 4 / 94
Table Index
Table 1: Special Marks ................................................................................................................................. 8
Table 2: Frequency Bands of EC200U-CN Module ..................................................................................... 9
Table 3: Frequency Bands of EC200U-EU Module ..................................................................................... 9
Table 4: Frequency Bands of EC200U-AU Module ................................................................................... 10
Table 5: Key Features of EC200U Series Module ..................................................................................... 10
Table 6: I/O Parameters Definition ............................................................................................................. 16
Table 7: Pin Description ............................................................................................................................. 16
Table 8: Overview of Operating Modes ...................................................................................................... 26
Table 9: VBAT and GND Pins .................................................................................................................... 31
Table 10: Pin Description of PWRKEY ....................................................................................................... 33
Table 11: Pin Description of RESET_N ...................................................................................................... 37
Table 12: Pin Definition of (U)SIM1 Interface ............................................................................................. 38
Table 13: Pin Definition of (U)SIM2 Interface ............................................................................................. 39
Table 14: Pin Description of USB Interface ................................................................................................ 41
Table 15: Pin Definition of Main UART Interface ....................................................................................... 42
Table 16: Pin Definition of Debug UART Interface ..................................................................................... 43
Table 17: Pin Definition of Auxiliary UART Interface .................................................................................. 43
Table 18: Pin Definition of SPI interface..................................................................................................... 44
Table 19: Pin Definition of I2C Interfaces ................................................................................................... 45
Table 20: Pin Definition of PCM Interface .................................................................................................. 45
Table 21: Pin Definition of Analog Audio Interfaces ................................................................................... 46
Table 22: Pin Definition of LCD Interface ................................................................................................... 49
Table 23: Pin Definition of Matrix Keyboard Interface ................................................................................ 49
Table 24: Pin Definition of SD Card Interface ............................................................................................ 50
Table 25: Pin Definition of WLAN Interface ................................................................................................ 52
Table 26: Pin Definition of ADC Interfaces ................................................................................................. 53
Table 27: Characteristic of ADC Interfaces ................................................................................................ 53
Table 28: Pin Definition of Network Connection Status/Activity Indicator .................................................. 54
Table 29: Working State of Network Connection Status/Activity Indicator ................................................ 54
Table 30: Pin Definition of STATUS ............................................................................................................ 55
Table 31: Behaviors of the MAIN_RI .......................................................................................................... 56
Table 32: Pin Definition of USB_BOOT Interface ...................................................................................... 56
Table 33: Pin Definition of Antenna Interfaces ........................................................................................... 58
Table 34: EC200U-CN Operating Frequencies .......................................................................................... 59
Table 35: EC200U-EU Operating Frequencies .......................................................................................... 59
Table 36: EC200U-AU Operating Frequencies .......................................................................................... 60
Table 37: Pin Definition of GNSS Antenna Interface ................................................................................. 61
Table 38: GNSS Frequency ....................................................................................................................... 62
Table 39: Antenna Requirements ............................................................................................................... 65
Table 40: Absolute Maximum Ratings ........................................................................................................ 68
Table 41: Power Supply Ratings ................................................................................................................ 69