Ublox EVK-M8QSAM User Manual Download Page 17

EVK-M8QSAM User Guide 

 

UBX-16018104 - R05

 

Early Production Information

 

Board layout

 

 

 

Page 17 of 23

 

PART 

DESCRIPTION 

A1 

GNSS RECEIVER U-BLOX SAM-M8Q WITH EMBEDDED ANTENNA 3,3V -40/+85C 

PLASTIC HOUSING 1551FTBU  

BT1 

BATTERY HOLDER RENATA CR2450N 3 V 

C1 C7 C16 C19 C25 C28 C32 

CAP CER X7R 0603 100N 10% 10 V 

C10 C2 C6 C8 C22 

CAP CER X5R 0603 1U0 10% 6.3 V 

C12  

CAP CER X7R 0603 10N 10% 10 V 

C13 C14 C3 

CAP CER X5R 1210 10U 10% 10 V 

C9 C11 

CAP CER COG 0402 27P 5% 25 V 

C26 

CAP CER X7R 0603 33N 10% 25 V 

C27 C4 

CAP CER X5R 0603 4U7 10% 6.3 V 

D1 D2 D4 D5 

SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER SS14 1A -55/+125° C 

R17 R18 R20 R21 R22 R23 

ESD PROTECTION FOR HIGH SPEED LINES, TYCO, 0.25PF, PESD0402-140  -55/+125° C 

DS1 

LED OSRAM HYPER MINI TOPLED LB M673-L1N2-35 BLUE 0.02 A 

FB2 

FERRITE BEAD MURATA BLM15HD 0402 1000R @ 100 MHZ 

J1 

CON USB RECEPTACLE MICRO B TYPE SMD - MOLEX 47346-0001 - TID60001597 30 V 1 A 

J3 

9 POLE SUBD CONNECTOR FEMALE 

J4 

14PIN 90DEGREE 2.54MM PITCH DISCONNECTABLE CRIMP CONNECTOR -40/+85° C 

R11 R2 R6 

RES THICK FILM CHIP 0603 100R 5% 0.1 W 

R13 

RES THICK FILM CHIP 0402 10K 5% 0.1 W 

R14 R15 R19 R3 R8 

VARISTOR BOURNS MLE SERIES CG0402MLE-18G 18 V 

R24 R27 R35 R36 

RES THICK FILM CHIP 0402 100K 5% 0.1 W 

R25 R26  

RES THICK FILM CHIP 0603 3K0 5% 0.1 W 

R28 

RES THICK FILM CHIP 0402 10K 1% 0.063 W 

R29 

RES THICK FILM CHIP 0603 1K0 5% 0.1 W 

R30 

RES THICK FILM CHIP 0402 470R 5% 0.1 W 

R31 

RES THICK FILM CHIP 0402 1K5 5% 0.1 W 

R4 R5 

RES THICK FILM CHIP 0603 27R 5% 0.1 W 

R7 

RES THICK FILM CHIP 0603 1R0 5% 0.1 W 

R9 

RES THICK FILM CHIP 0603 51R0 5% 0.1 W, 

not populated on old versions

 

S1 S2 

SWITCH SPST ON 1POL TYCO -40/+85° C 

S3 

2 WAY SUB-MINIATURE SLIDE SWITCH SMD JS SERIES – SPDT -40/+85° C 

U1 

USB DATA LINE PROTECTION ST USBLC6-2SC6 SOT23-6 

U10 

DUAL USB TO SERIAL BRIDGE CONTROLLER FT2232D 

U11 U13 

TINY LOGIC UHS BUFFER OE_N ACTIVE LOW FAIRCHILD NC7SZ125 SC70 

U16 

TINY LOGIC ULP-A 2-INPUT AND GATE 1.45X1.0 6-LEAD MICROPAK -40/+85° C 

U2 U3 U7 U8 U9 

TINY LOGIC UHS BUFFER OE_N ACTIVE LOW FAIRCHILD NC7SZ125 SC70 

U4 

LOW DROPOUT REGULATOR LINEAR LT1962 MS8 3.3V 0.3 A 

U6 

RS-232 TRANSCEIVER MAXIM MAX3232 SO16 -40/+85° C 

YI 

CRYSTAL CL=18PF CITIZEN HCM49 6.0000MHZ 50 PPM 

Table 6: EVB-M8QSAM component list 

Summary of Contents for EVK-M8QSAM

Page 1: ...ser Guide Abstract This document describes the structure and use of the EVK M8QSAM evaluation kit and provides information for evaluating and testing the u blox SAM M8Q GNSS patch antenna module www u...

Page 2: ...is available at www u blox com Support Product Resources Conformity Declaration This document applies to the following products Product name Type number Firmware version PCN reference EVK M8QSAM EVK...

Page 3: ...tive Device ESD CAUTION RISK OF SHORT CIRCUIT OF THE BATTERY WHEN TOUCHING IT WITH CONDUCTING PARTS IN THE UNLIKELY EVENT OF A FAILURE IN THE INTERNAL PROTECTION CIRCUITRY THERE IS A RISK OF AN EXPLOS...

Page 4: ...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 antenna...

Page 5: ...Guide UBX 16018104 R05 Early Production Information Contents Page 5 of 23 8 Board layout 16 9 Schematic 18 10 Troubleshooting 19 11 Common evaluation pitfalls 21 Related documents 22 Revision history...

Page 6: ...able 1 List of available evaluation kits 1 2 Kit includes Evaluation unit plain PCB board USB cable Extra Battery RENATA CR2450 Quick Start card Because of the integrated antennas in the SAM M8Q modul...

Page 7: ...rnal powered via extra power supply pin 14 V5_IN 13 GND Normal Operating temperature 40 C to 65 C Table 2 EVK M8QSAM specification 2 1 Safety precautions EVK M8QSAM must be supplied by an external lim...

Page 8: ...et slide switch to USB UART Connect via RS232 Set slide switch to RS232 2 The device must always have power either via USB on the back or the V5_IN input on the front 3 The EVK M8QSAM evaluation kit i...

Page 9: ...supply and communication 4 2 Active antenna The SAM M8Q module is embedded with a GNSS patch antenna and the signal is further filtered and amplified by the internal SAW filter and internal Low Noise...

Page 10: ...ion The maximum operating baud rate is 460 8 kBd If you are using a USB to RS232 adaptor cable you can connect it directly to the evaluation kit RS232 port The 9 pin D SUB female connector is assigned...

Page 11: ...operates only with the USB interface RS232 DB9 is switched off 4 3 8 Test Connector This 14 pin test connector provides additional functionality to the EVK allowing access to the interface pins and an...

Page 12: ...UCTIONS RISK OF SHORT CIRCUIT WHEN TOUCHING THE BATTERY WITH CONDUCTING PARTS 4 3 11 GNSS Configuration The EVK M8QSAM supports concurrent GPS QZSS GLONASS and Galileo reception By default the M8 rece...

Page 13: ...igure 5 2 Wait 12 minutes to download all GNSS orbital data or download all the Aiding Data via the AssistNow Online service 3 Read the voltage and average if necessary on the voltmeter and convert to...

Page 14: ...iguration 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 messages with appropriate paramet...

Page 15: ...EVK M8QSAM User Guide UBX 16018104 R05 Early Production Information Block diagram Page 15 of 23 7 Block diagram Figure 6 EVK M8QSAM block diagram...

Page 16: ...er Guide UBX 16018104 R05 Early Production Information Board layout Page 16 of 23 8 Board layout Figure 7 shows the EVK M8QSAM board layout See Table 6 for the component list of the EVB Figure 7 EVB S...

Page 17: ...11 R2 R6 RES THICK FILM CHIP 0603 100R 5 0 1 W R13 RES THICK FILM CHIP 0402 10K 5 0 1 W R14 R15 R19 R3 R8 VARISTOR BOURNS MLE SERIES CG0402MLE 18G 18 V R24 R27 R35 R36 RES THICK FILM CHIP 0402 100K 5...

Page 18: ...UBX 16018104 R05 Early Production Information Schematic Page 18 of 23 9 Schematic Figure 8 Schematic EVK M8QSAM DNI TRUE in the schematic means Component not installed...

Page 19: ...the screen The syndrome is caused when the NMEA 0183 GNSS serial data is misinterpreted as a mouse data by the serial port enumerator serenum sys resulting in erratic mouse cursor activity Change the...

Page 20: ...ention to proper handling of the EVK A GNSS receiver is designed for real life use i e time is always moving forward By using a GNSS simulator the user can change scenarios which enables jumping backw...

Page 21: ...terministic system The satellite constellation changes constantly Atmospheric effects i e dawn and dusk have an impact on signal travel time The position of the GNSS receiver is typically not the same...

Page 22: ...h publication 4024 For regular updates to u blox documentation and to receive product change notifications register on our homepage Revision history Revision Date Name Status Comments R01 17 Nov 2016...

Page 23: ...om Support support_ap u blox 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 ma...

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