your position is our focusContents1 Dead Reckoning Fundamentals ...................................................................................71.1 Dead Reckoning enabled GPS (DR)..............................................................................71.2 Dead Reckoning Principle............................................................................................71.3 Dead Reckoning Performance .....................................................................................82 Design-In.....................................................................................................................102.1 Schematic Design-In Checklist for LEA-4R/TIM-4R .....................................................102.2 TIM-4R/LEA-4R Design ..............................................................................................112.2.1 Forward / Backward Indication............................................................................112.2.2 Odometer / Speedpulses.....................................................................................112.2.3 Power Supply for Gyroscope, Temperature Sensor and A/D Converter.................112.2.4 SPI Interface for Gyroscope and Temperature Sensor ..........................................122.3 Pinout tables ............................................................................................................132.4 Layout Design-In Checklist for ANTARIS®4.................................................................142.5 Layout ......................................................................................................................143 Receiver Description...................................................................................................153.1 Dead Reckoning enabled GPS module (DR module)...................................................153.1.1 Architecture .......................................................................................................153.1.2 Input Signals/ Sensors.........................................................................................173.1.3 DR specific Parameters .......................................................................................203.1.4 DR Calibration....................................................................................................213.1.5 Storage of Parameters ........................................................................................233.1.6 Static Position.....................................................................................................243.2 Power Saving Modes ................................................................................................243.3 Antenna and Antenna Supervisor .............................................................................243.3.1 Open Circuit Detect............................................................................................244 Navigation ..................................................................................................................254.1.1 Overview............................................................................................................254.1.2 Navigation Update Rate......................................................................................254.1.3 Dynamic Platform Model ....................................................................................264.1.4 Static Hold Mode ...............................................................................................26LEA-4R / TIM-4R - System Integration Manual / Reference Design ContentGPS.G4-MS4-05043 Page 4