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EVK-M8F-0-00

Evaluation Kit
time and frequency reference products

User Guide

Abstract

This document describes the structure and use of the EVK-M8F-0-00
evaluation kit and provides information for evaluating and testing u-blox M8
time and frequency reference technology.

www.u-blox.com

UBX-14005459 - R04

Содержание EVK-M8F-0-00

Страница 1: ...erence products User Guide Abstract This document describes the structure and use of the EVK M8F 0 00 evaluation kit and provides information for evaluating and testing u blox M8 time and frequency re...

Страница 2: ...Version ROM FLASH version PCN reference EVK M8F EVK M8F 0 00 A ROM 2 01 FLASH FW2 20 FTS1 01 N A u blox reserves all rights to this document and the information contained herein Products names logos a...

Страница 3: ...and performance Warnings and certifications CAUTION IN THE UNLIKELY EVENT OF A FAILURE IN THE INTERNAL PROTECTION CIRCUITRY THERE IS A RISK OF AN EXPLOSION WHEN CHARGING FULLY OR PARTIALLY DISCHARGED...

Страница 4: ...7 3 Getting Started 8 3 1 Software installation 8 3 2 Hardware installation 8 3 3 Serial port default configuration 8 4 Device description 9 4 1 Interface connection and measurement 9 4 2 Active ante...

Страница 5: ...EVK M8F 0 00 User Guide UBX 14005459 R04 Early Production Information Contents Page 5 of 21 9 Common evaluation pitfalls 19 Related documents 20 Revision history 20 Contact 21...

Страница 6: ...k PC making them the perfect companion through all stages of design in projects Evaluation Kit Description Suitable for EVK M8F 0 00 u blox M8 Evaluation Kit time and frequency reference products LEA...

Страница 7: ...SPI clock signal max 5 5 MHz SPI DATA max 1 Mbit s Timing Interfaces 1 DDC I2 C compatible master to control external VCTCXO via DAC 2 Frequency Phase timing measurement inputs 1 Low noise frequency...

Страница 8: ...B port UART Connect via RS232 Set slide switch to I 2 C SPI I 2 C compliant DDC Connect corresponding pins see Table 5 for pin description Set slide switch accordingly to SPI or I 2 C NOTE Press the R...

Страница 9: ...m antenna supply current for active antennas is 30 mA 4 3 Evaluation unit Figure 2 shows the front and the rear panels of the EVK M8F 0 00 evaluation unit Front panel Rear panel Figure 2 EVK M8F 0 00...

Страница 10: ...to set the unit in safe boot mode In this mode the receiver executes only the minimal functionality such as updating new firmware into the SQI flash In order to set the receiver in safe boot mode ple...

Страница 11: ...CCRF O 3 3 V Filtered VCC supply output for active antennas 9 VANT I VCC supply input to supply an active antenna through the RF connector link to VCCRF with a jumper if required 8 TIMEPULSE O 3 3 V T...

Страница 12: ...external DAC 10 GND Ground pin 9 SDA_DAC O 3 3 V DDC master data for external DAC 8 GND Ground pin 7 FREQ_PHASE_IN2 I 3 3 V Frequency phase measurement input 6 GND Ground pin 5 FREQ_PHASE_IN1 I 3 3 V...

Страница 13: ...ssary on the voltmeter and convert to current 1 mV equals 1 mA 4 Perform the test with good signals and clear sky view to ensure that the receiver can acquire the satellite signals The overall current...

Страница 14: ...ser Guide UBX 14005459 R04 Early Production Information Board layout Page 14 of 21 6 Board layout Figure 5 shows the board layout of EVK M8F 0 00 See Table 7 for the component list of the EVB Figure 5...

Страница 15: ...EIGHT WITHOUT WASHER AND NUT J3 9 POLE SUBD CONNECTOR FEMALE J4 14PIN 90 xB0 2 54MM PITCH DISCONNECTABLE CRIMP CONNECTOR 40 85C J5 12PIN 90 xB0 2 54MM PITCH DISCONNECTABLE CRIMP CONNECTOR 40 85C R1 RE...

Страница 16: ...EVK M8F 0 00 User Guide UBX 14005459 R04 Early Production Information Schematic Page 16 of 21 7 Schematic Figure 6 Schematic EVK M8F 0 00 DNI TRUE in the schematic means Component not installed...

Страница 17: ...mputer will show up in the COM port drop down list If a COM Port is gray another application running on this computer is using it The position is off by a few dozen meters u blox M8 GNSS technology st...

Страница 18: ...8F does not work properly when connected with a GNSS simulator When using an EVK together with a GNSS simulator please pay attention to proper handling of the EVK A GNSS receiver is designed for real...

Страница 19: ...rticularly at dawn and dusk have an impact 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 parall...

Страница 20: ...Description including Protocol Specification Public version Docu No UBX 1300322 6 u center User Guide Docu No UBX 13005250 For regular updates to u blox documentation and to receive product change no...

Страница 21: ...65 6734 3811 E mail info_ap u blox com Support support_ap u blox com Regional Office Australia Phone 61 2 8448 2016 E mail info_anz u blox com Support support_ap u blox com Regional Office China Beiji...

Страница 22: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information u blox EVK M8F...

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