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EVK-M8F-0-01

Evaluation Kit
time and frequency reference products

User Guide

Abstract

This document describes the structure and use of the EVK-M8F-0-01
evaluation kit and provides information for evaluating and testing u-blox M8
time and frequency reference technology.

www.u-blox.com

UBX-15016541 - R01

Summary of Contents for EVK-M8F-0-01

Page 1: ...erence products User Guide Abstract This document describes the structure and use of the EVK M8F 0 01 evaluation kit and provides information for evaluating and testing u blox M8 time and frequency re...

Page 2: ...Version ROM FLASH version PCN reference EVK M8F EVK M8F 0 01 B 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...

Page 3: ...d 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 BA...

Page 4: ...ted 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 antenna 9 4 3 Evaluat...

Page 5: ...EVK M8F User Guide UBX 15016541 R01 Early Production Information Contents Page 5 of 21 9 Common evaluation pitfalls 19 Related documents 20 Revision history 20 Contact 21...

Page 6: ...ok PC making them the perfect companion through all stages of design in projects Evaluation Kit Description Suitable for EVK M8F 0 01 u blox M8 Evaluation Kit time and frequency reference products LEA...

Page 7: ...PI 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 re...

Page 8: ...ort 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 RST...

Page 9: ...ntenna 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 01 evaluation unit Front panel Rear panel Figure 2 EVK M8F 0 01 eva...

Page 10: ...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 please...

Page 11: ...F 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 Time...

Page 12: ...t The pin functions are itemized below PIN Nr PIN NAME I O LEVEL DESCRIPTION 6 GND Ground pin 5 SCL_DAC O 3 3 V DDC master clock for external DAC 4 GND Ground pin 3 SDA_DAC O 3 3 V DDC master data for...

Page 13: ...ary 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 m...

Page 14: ...r Guide UBX 15016541 R01 Early Production Information Board layout Page 14 of 21 6 Board layout Figure 5 shows the board layout of EVK M8F 0 01 See Table 7 for the component list of the EVB Figure 5 B...

Page 15: ...25C FB2 FB3 R11 R12 RES THICK FILM CHIP 0603 0R 0 0 1W J1 CON USB RECEPTACLE MICRO B TYPE SMD MOLEX 47346 0001 TID60001597 30V 1A J2 CON SMA SMD STRAIGHT JACK 11 4MM HEIGHT WITHOUT WASHER AND NUT J3 9...

Page 16: ...UBX 15016541 R01 Early Production Information 7 Schematic Figure 6 Schematic EVK M8F 0 01 DNI TRUE in the schematic means Component not installed...

Page 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...

Page 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...

Page 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...

Page 20: ...version Docu No UBX 13001708 4 LEA M8F Hardware Integration Manual Docu No UBX 14000034 5 u blox M8 Receiver Description including Protocol Specification Public version Docu No UBX 1300322 6 u center...

Page 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...

Page 22: ...CA RDK PEX8747 CA RDK PS081 EVA KIT CHA2066 99F AS8650 DB MLX80104 TESTINTERFACE I2C CPEV NOPB ISO35TEVM 434 KIT33978EKEVB 416100120 3 XR17D158CV 0A EVB XR17V358 SP339 E4 EB XR17V358 SP339 E8 EB XR189...

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