
Fastrack Supreme User Guide
WA_DEV_Fastrk_UGD_001
confidential© Page:9/77
7.3.1 General Presentation.................................................................................................................51
7.3.2 Protections.................................................................................................................................51
7.4 RS232 Serial Link ................................................................................................................................51
7.4.1 General Presentation.................................................................................................................51
7.4.2 Autobauding Mode ....................................................................................................................52
7.4.3 Pin Description...........................................................................................................................53
7.4.4 Serial Port Auto shut down Feature ..........................................................................................53
7.5 General Purpose Input/Output (GPIO) ................................................................................................54
7.6 BOOT...................................................................................................................................................54
7.7 RESET.................................................................................................................................................54
7.7.1 General presentation .................................................................................................................54
7.7.2 Reset Sequence ........................................................................................................................55
7.8 Audio....................................................................................................................................................56
7.8.1 Microphone Inputs .....................................................................................................................56
7.8.2 Speaker Outputs........................................................................................................................57
7.9 Real Time Clock (RTC) .......................................................................................................................58
7.10 FLASH LED 58
8TECHNICAL CHARACTERISTICS..........................................................................................................59
8.1 Mechanical Characteristics..................................................................................................................59
8.2 Electrical Characteristics .....................................................................................................................61
8.2.1 Power Supply.............................................................................................................................61
8.2.2 Power Consumption ..................................................................................................................62
8.2.3 Audio Interface ..........................................................................................................................65
8.2.4 General Purpose Input/Output...................................................................................................66
8.2.5 SIM Interface .............................................................................................................................66
8.2.6 RESET Signal............................................................................................................................66
8.2.7 RF Characteristics .....................................................................................................................67
8.2.7.1 Frequency Ranges.............................................................................................................67
8.2.7.2 RF Performances...............................................................................................................68
8.2.7.3 External Antenna ...............................................................................................................69
8.3 Environmental Characteristics.............................................................................................................69
8.4 Conformity ...........................................................................................................................................72
8.5 Protections...........................................................................................................................................72
8.5.1 Power Supply.............................................................................................................................72
8.5.2 Overvoltage ...............................................................................................................................73
8.5.3 Electrostatic Discharge..............................................................................................................73
8.5.4 Miscellaneous............................................................................................................................73
9SAFETY RECOMMENDATIONS.............................................................................................................74
9.1 General Safety.....................................................................................................................................74
9.2 Vehicle Safety......................................................................................................................................74
9.3 Care and Maintenance ........................................................................................................................75
9.4 Your Responsibility..............................................................................................................................75