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GPS2058 Module Evaluation Kit

User Manual

April, 2008

Rev 1.3

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Summary of Contents for GPS2058

Page 1: ...GPS2058 Module Evaluation Kit User Manual April 2008 Rev 1 3 ...

Page 2: ...te how seamlessly the evaluation kit can interface with software mapping products for use as a GPS navigation system This user guide describes the hardware items supplied with the evaluation kit and provides guidelines on the set up and operation of the kit We recommend that you familiarize yourself with the features before applying power and operating the unit Technical information and performanc...

Page 3: ... document 3 Plug the antenna into the antenna connector Ensure you have a sky view with the antenna for proper signal reception 4 Connect the USB cable between the evaluation kit and the PC 5 Turn on the evaluation kit power The right LED shows green 6 The left LED should be flashing red once per second while acquiring a signal 7 An initial fix should be achieved in approximately 1 minute or less ...

Page 4: ... at both ends with connectors to match the PC USB I O and the type B connector on the evaluation kit 120 240V power adapter DC power for the development unit can be provided by the AC converter The AC converter operates from a nominal 120 240 VAC input and provides a 6 VDC at 500mA output 12V DC power adapter A car power adapter 12 V suitable for use with a cigarette lighter socket is provided for...

Page 5: ...tch When on without batteries the entire unit is powered from DC or USB When off without batteries the entire unit is off When on with batteries only the entire unit is powered from the batteries When off with batteries only the module is placed in standby mode USB Low speed USB 2 0 standard Type B connector The primary interface to a PC and kit may be powered from the USB port RS232 Two ports one...

Page 6: ...0 pins and one is 24 pins both are shrouded headers The headers expose 24 user I O pins with some restrictions 7 DC voltages multiple ground connections and five special functions Refer to the schematic for detailed description of each pin function 3 Pin Header Used to select module type affects positions 2 and 3 of the DIP Switch DIP Switch functions 0 Open 1 Closed X Don t Care default configura...

Page 7: ...should now also see streaming NMEA Messages in the Receiving Data window and be able to view other tabs such as the satellite status DeBug Port 1 The USB connection may be left intact the Debug port uses UART1 and will not conflict with USB 2 Connect External AC Adapter as power source or use USB power 3 Connect the antenna 4 Power on the kit 5 Connect the RS 232 serial cable to the Debug port tow...

Page 8: ...hen evaluating any GPS solution Q Where do I place the antenna A Examples are on the roof of a car or the dashboard if the sky view is clear Indoors it s best to place the antenna near a window A window view however will limit the geometry of the GPS constellation and give poor accuracy or a 3 D fix may not be obtainable if 4 satellites are not visible For both automotive and indoor usage the type...

Page 9: ...3V3 supplies but should not be jumpered Connectors J4 J5 and J6 are shown as oriented in the evaluation kit Note GPIO2_A B GPIO3_A B are selected from J10A left module connector and J10B right module connector via switch on GPS2058 module adaptor card switch down selects GPIOx_A and switch up selects GPIOx_B R3 3K3 R3 3K3 U1 E L5970D U1 E L5970D Vcc 8 OUT 1 GND 7 FB 5 VREF 6 SYNC 2 COMP 4 INH 3 L1...

Page 10: ...GPIO3 can be switched between J10A left module connector and J10B right module connector via switch on GPS2058 module adaptor card Note for Rev C L3 is replaced by R35 UART0TX UART0RX UART1TX UART1RX C28 0 1uF C28 0 1uF R16 24 R16 24 J11 HEADER_1x3 J11 HEADER_1x3 1 2 3 R30 1K R30 1K C31 1000pF C31 1000pF C16 0 1uF C16 0 1uF C30 1uF C30 1uF R35 0 033 R35 0 033 C15 0 1uF C15 0 1uF R22 2M2 R22 2M2 Q4...

Page 11: ...3 GPIO3 SPI_SS Pin 24 JTCK Pin 25 JTMS Pin 26 JTDI Pin 27 JTDO Pin 28 nJTRST Pin 29 U0RX Pin 30 U1RX Pin 32 U1TX Pin 33 TRACKLED Pin 34 U0TX Pin 31 RF GND Pin 40 RF IN Pin 39 RF GND Pin 38 BOOTEN Pin 37 Reserved Pin 36 Reserved Pin 35 MC JP J1 provides access to V18 Pin1 2 and CAN Pin3 4 SPI I2C GPIO3 I2C_D Pin 20 GPIO2 I2C_CK Pin 19 R4 10 R4 10 TP1 Test Point TP1 Test Point 1 TP4 Test Point TP4 T...

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