LEA-5-DataSheet
Contents
Contents..............................................................................................................................3
1 Functional description..................................................................................................5
1.1 Overview .............................................................................................................................................. 5
1.2 Productfeatures ................................................................................................................................... 5
1.3 GPSperformance ................................................................................................................................. 6
1.4 Blockdiagram....................................................................................................................................... 7
1.5 AssistedGPS(A-GPS)............................................................................................................................ 7
1.6 SuperSense
IndoorGPS......................................................................................................................... 7
1.7 KickStart/Oscillators ............................................................................................................................ 7
1.8 GALILEO ............................................................................................................................................... 7
1.9 Protocolsandinterfaces........................................................................................................................ 8
1.9.1 UART............................................................................................................................................. 8
1.9.2 USB ............................................................................................................................................... 8
1.9.3 SerialPeripheralInterface(SPI)....................................................................................................... 8
1.9.4 DisplayDataChannel(DDC) .......................................................................................................... 8
1.10 Antenna............................................................................................................................................ 9
1.11 Powermanagement.......................................................................................................................... 9
1.11.1 Operatingmodes .......................................................................................................................... 9
1.11.2 MaximumPerformancemode ....................................................................................................... 9
1.11.3 Ecomode.................................................................................................................................... 10
1.11.4 PowerSavemode........................................................................................................................ 10
1.11.5 Powerstates................................................................................................................................ 10
1.11.6 Peakcurrentreduction ................................................................................................................ 10
1.12 Configuration ................................................................................................................................. 11
1.12.1 Boot-timeconfiguration(LEA-5A,LEA-5M,LEA-5Q,LEA-5S)....................................................... 11
1.12.2 Configuration(LEA-5H,LEA-5T) .................................................................................................. 11
1.13 ExternalserialEEPROM ................................................................................................................... 11
1.14 LEA-5T ............................................................................................................................................ 12
1.14.1 Timemode.................................................................................................................................. 12
1.14.2 Timemark................................................................................................................................... 12
1.14.3 Rawdata..................................................................................................................................... 12
2 Mechanical specifications ..........................................................................................13
2.1 Pinassignment ................................................................................................................................... 14
GPS.G5-MS5-07026-B2 Page 3 of 26