Users Manual

LTE Standard Module Series
EC25 Hardware Design
EC25_Hardware_Design
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Table Index
TABLE 1: SUPPORTED FREQUENCY BANDS AND GNSS FUNCTION OF EC25 SERIES MODULE
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17
TABLE 2: KEY FEATURES OF EC25 MODULE
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18
TABLE 3: I/O PARAMETERS DEFINITION
..................................................................................................................
25
TABLE 4: PIN DESCRIPTION
........................................................................................................................................
25
TABLE 5: OVERVIEW OF OPERATING MODES
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37
TABLE 6: VBAT AND GND PINS
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41
TABLE 7: PIN DEFINITION OF PWRKEY
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43
TABLE 8: PIN DEFINITION OF RESET_N
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47
TABLE 9: PIN DEFINITION OF (U)SIM INTERFACE
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48
TABLE 10: PIN DESCRIPTION OF USB INTERFACE
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50
TABLE 11: PIN DEFINITION OF MAIN UART INTERFACE
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52
TABLE 12: PIN DEFINITION OF DEBUG UART INTERFACE
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52
TABLE 13: LOGIC LEVELS OF DIGITAL I/O
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53
TABLE 14: PIN DEFINITION OF PCM AND I2C INTERFACES
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55
TABLE 15: PIN DEFINITION OF SD CARD INTERFACE
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57
TABLE 16: PIN DEFINITION OF WIRELESS CONNECTIVITY INTERFACES
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58
TABLE 17: PIN DEFINITION OF ADC INTERFACES
................................................................................................
61
TABLE 18: CHARACTERISTIC OF ADC
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62
TABLE 19: PIN DEFINITION OF SGMII INTERFACE
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62
TABLE 20: PIN DEFINITION OF NETWORK CONNECTION STATUS/ACTIVITY INDICATOR
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64
TABLE 21: WORKING STATE OF NETWORK CONNECTION STATUS/ACTIVITY INDICATOR
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65
TABLE 22: PIN DEFINITION OF STATUS
...................................................................................................................
66
TABLE 23: BEHAVIORS OF RI
......................................................................................................................................
67
TABLE 24: PIN DEFINITION OF USB_BOOT INTERFACE
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67
TABLE 25: GNSS PERFORMANCE
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69
TABLE 26: PIN DEFINITION OF RF ANTENNAS
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71
TABLE 27: MODULE OPERATING FREQUENCIES
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71
TABLE 28: PIN DEFINITION OF GNSS ANTENNA INTERFACE
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75
TABLE 29: GNSS FREQUENCY
....................................................................................................................................
76
TABLE 30: ANTENNA REQUIREMENTS
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77
TABLE 31: ABSOLUTE MAXIMUM RATINGS
.............................................................................................................
80
TABLE 32: POWER SUPPLY RATINGS
......................................................................................................................
81
TABLE 33: OPERATION AND STORAGE TEMPERATURES
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81
TABLE 34: EC25-E CURRENT CONSUMPTION
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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
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87
TABLE 39: EC25-AUT CURRENT CONSUMPTION
..................................................................................................
90
TABLE 40: EC25-AF CURRENT CONSUMPTION
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91
TABLE 41: EC25-AFX CURRENT CONSUMPTION
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92