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EVK-M8GZOE User Guide

UBX-16030132 - R04

Schematic

Page 25 of 30

Figure 10: Schematic EVK-M8GZOE Version E, page 2 of 2: DNI=TRUE in the schematic means: Component not installed

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Содержание EVK-M8GZOE

Страница 1: ...describes the structure and use of the EVK M8GZOE evaluation kit and provides information for evaluating and testing the u blox ZOE M8G GNSS module EVK M8GZOE is also suitable to evaluate the GNSS pe...

Страница 2: ...ies with all relevant requirements for RED 2014 53 EU The EVK M8GZOE Declaration of Conformity DoC is available at www u blox com within Support Product Resources Conformity Declaration This document...

Страница 3: ...e installation 8 3 3 Interface default configuration 9 4 Device description 10 4 1 Power supply ZOE M8G only 10 5V main power supply 10 Backup power supply 10 4 2 Interfaces 10 Interface switch 11 USB...

Страница 4: ...rly Production Information 5 2 Measurement with an external current measuring power supply 19 6 Testing Power Save Mode 20 7 Board assembly 21 8 Schematic 24 9 Troubleshooting 26 10 Common evaluation...

Страница 5: ...enna use case Populated optional flash o Configuration can be saved permanently o Logging can be done o AssistNow Offline data can be saved o Optimal performance of AssistNow Autonomous o FW can be ru...

Страница 6: ...n software The installation software includes u center which is an interactive tool for configuration testing visualization and data analysis of GNSS receivers It provides useful assistance during all...

Страница 7: ...ia micro USB connector or external powered via extra power supply pin 2 V5_IN and pin 18 GND on digital connector Normal Operating temperature 20 C to 70 C Table 2 EVK M8GZOE specification 2 1 Safety...

Страница 8: ...Microsoft Windows Update service The Windows system driver search mechanism can download and install the USB drivers automatically from Microsoft Windows Update service If the automatic install fails...

Страница 9: ...ue LED should turn on 5 Connect the Active Antenna to the Active Active Antenna Input or the simulator to the Passive input Simulator Input 6 Start the u center GNSS Evaluation Software and select the...

Страница 10: ...enables hot start and warm start capabilities The EVK M8GZOE includes a super capacitor to supply the V_BCKP of ZOE M8G In normal operation when the main supply of ZOE M8G VCC is present the backup do...

Страница 11: ...e supported by ZOE M8G and ZOE M8Q RS 232 connector The RS 232 serial port interface can be used to connect the EVK M8GZOE board to a PC or to other evaluation host system Connect using a straight RS...

Страница 12: ...on 4 4 for more information If using SPI interface the slide switch has to be set accordingly DDC I C The digital connector J1 contains pins for evaluating DDC I C bus communication For such evaluatio...

Страница 13: ...than 5 mA it can be used 4 3 1 1 Direct ZOE M8 GNSS performance There is also an option to have the active antenna input available without connecting an active antenna In that case jumper J8 has to be...

Страница 14: ...T input 16 GND GND 17 TXD SPI MISO O 1 8 V UART TX or SPI MISO depends on interface switch 18 GND GND 19 RXD SPI MOSI I 1 8 V UART RX or SPI MOSI depends on interface switch 20 GND GND Table 5 Connect...

Страница 15: ...ble on jumpers J5 and J10 as well as on digital connector J1 See section 4 4 for more information 4 8 EXTINT On the EVK M8GZOE the EXTINT signal of ZOE M8G is available on digital connector J1 see sec...

Страница 16: ...measuring the ZOE M8G VCC current On the EVK M8GZOE there is a 1 8 V LDO supplying the ZOE M8G main supply VCC At the input of that LDO is a 1 current measurement shunt resistor placed in between J7 p...

Страница 17: ...er software 3 Read the voltage and average for a while if necessary on the voltmeter and convert to current 1 mV equals 1 mA o Average current consumption from power on to first fix will give you the...

Страница 18: ...ent shunt resistor in the V_BCKP supply 2 Disconnect the main supply 3 Read the voltage on the voltmeter and convert to current 1 mV equals 10 uA Figure 6 Setup to measure the V_BCKP current consumpti...

Страница 19: ...in power supply and Gold Capacitor J6 and J7 removed The LDOs are supplied from separate external power supplies The jumpers for normal shunt resistor use have been disconnected and the power is suppl...

Страница 20: ...n by checking the save configuration box in u center otherwise the configuration will be lost Selecting one of the available setups is the equivalent of using a combination of the configuration messag...

Страница 21: ...OE User Guide UBX 16030132 R04 Board assembly Page 21 of 30 Early Production Information 7 Board assembly Figure 8 shows the EVK M8GZOE assembly See Table 6 for the component list Figure 8 EVK M8GZOE...

Страница 22: ...MIL GRID 20PINS 0 64MM SQUARE 8 5MM J2 CON USB RECEPTACLE MICRO B TYPE SMD MOLEX 47346 0001 TID60001597 30V 1A J3 J11 CON SMA THT RIGHT ANGLE JACK J4 J6 J7 CON 2 ROWS THT 100MIL GRID 4PINS 0 64MM SQUA...

Страница 23: ...RANSLATION AND 3 STATE OUTPUTS RSW 40 85C U8 16MBIT SERIAL QUAD I O SPI FLASH MEMORY 1 65 3 6V 3 6V 40 85C U9 RS 232 TRANSCEIVER 1MBIT 3 5 5VOLT TRSF3223 VQFN20 5 5V 5 5V 40 85C U10 SINGLE CHIP USB TO...

Страница 24: ...EVK M8GZOE User Guide UBX 16030132 R04 Schematic Page 24 of 30 8 Schematic Figure 9 Schematic EVK M8GZOE Version E page 1 of 2 DNI TRUE in the schematic means Component not installed...

Страница 25: ...EVK M8GZOE User Guide UBX 16030132 R04 Schematic Page 25 of 30 Figure 10 Schematic EVK M8GZOE Version E page 2 of 2 DNI TRUE in the schematic means Component not installed...

Страница 26: ...Port is gray another application running on this computer is using it After installing USB driver for the first time by connecting EVK M8GZOE to PC with USB cable the cursor on PC starts to jump aroun...

Страница 27: ...roperly when connected with a GNSS simulator There is RF input for simulator signal passive When using an EVK together with a GNSS simulator pay attention to proper handling of the EVK A GNSS receiver...

Страница 28: ...on signal travel time The position of the GNSS receiver is typically not the same between two tests Comparative tests should therefore be conducted in parallel by using one antenna and a signal splitt...

Страница 29: ...lox documentation and to receive product change notifications register on our homepage www u blox com Revision history Revision Date Name Comments R01 29 May 2017 mdur Advance Information R02 25 Jul 2...

Страница 30: ...com Regional Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox com Support support_cn u blox com Regional Office China Chongqing Phone 86 23 6815 1588 E mail info_cn u blox com Suppor...

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