1. Introduction 1.1 Overview EverMore series GPS module EB-N701 is a high sensitivity ultra low power consumption cost efficient, compact size; plug & play GPS module board designed for a broad spectrum of OEM system applications. This product is based on the proven technology found in 16 channel GPS receivers and NEMERIX chipset solution.
Compact board Size EBN-700 26.15mm x 26.15mm x 2.7mm (1.03” x 1.03” x 0.11”) for easy integration into hand-held device. 1.3 Applications EB-N701 engine board receiver is a high performance, ultra low power consumption, plug &play product. These applications are as follow. Car navigation system for portable device and car device...
EB-N701 User’s Manual 1.4 Start-up Modes Definitions DESCRIPTION The Cold Start takes the longest startup time among EMT GPS receivers. In this scenario, the receiver has no acknowledgment on the last position, time, Cold Start and satellite constellation. The receiver is initiated to search blindly for satellite signals in the cold start mode.
EB-N701 User’s Manual 2.1.7 Power Main power input 3.3V ± 0.1Vp-p DC input. Supply Current Typical 30 mA 2.1.8 Serial Port Electrical interface one full duplex serial communication, LVTTL interface Protocol message NMEA-0183, version 3.0 Default NMEA GGA, GSA, GSV, RMC and VTC. 9600 baud rate, 8 bits data, 1 start, 1 stop, no parity.
EB-N701 User’s Manual 2.4 Other Electrical Specifications Table 1 Absolute Maximum Ratings Parameter Symbol Min. Max. Units Power Supply Voltage -0.3 Input Pin Voltage -0.3 Output Pin Voltage VOUT -0.3 Reset Pin Voltage Vreset -0.3 Storage Temperature TSTG °C Back-up Voltage...
The pin out is shown in Table 6. Pin 6 (Reset) is the active-low reset input. The EB-N701 always requires a reset at power-up, or it will not start properly. An optional onboard reset circuit can be provided. A reset forces the EB-N701 processor to reboot, but will not influence other parameters such as hot or cold start.
A dedicated pin out (in form of test points) is provided on the board to give the possibility to connect the EB-N701 debug unit. The debug port is intended to be used only during the development stage and to download the firmware at factor setup. It is not meant to be used by the customers unless they want to develop or modify the SW of the EB-N701 module.
The customers can change the data protocol and communication data baud rate for your application using these tools. The software and manual are available for download from website. Below list EB-N701 software tools For example double click 700_SeriesGPSTest.exe to test GM-R700 EverMore Technology Inc.
EB-N701 User’s Manual 5. Software Specification 5.1 EB-N701 NMEA Protocol The EB-N701 software is capable of supporting the following NMEA message formats NMEA Message Format Direction Prefix $GPGGA(1)* GPS fix data. $GPGLL Geographic position Latitude / Longitude. $GPGSA(3)* GNSS DOP and actives satellites $GPGSV(3)* Satellites in view.
EB-N701 User’s Manual 5.3 $GPGGA This message transfers global positioning system fix data. The $GPGGA message structure is shown below: Field Format Notes chars chars Message $GPGGA GGA protocol header. UTC Time hhmmss.sss 2,2,2.3 2,2,2.3 Fix time to 1ms accuracy.
EB-N701 User’s Manual 5.6 $GPGSV This message transfers information about satellites in view. The $GPGSV message structure is shown below. Each record contains the information for up to 4 channels, allowing up to 12 satellites in view. In the final record of the sequence the unused channel fields are left blank with commas to indicate that a field has been omitted.
EB-N701 User’s Manual 5.7 $GPRMC This message transfers recommended minimum specific GNSS data. The $GPRMC message format is shown below. Field Format Notes chars chars Message ID $GPRMC RMC protocol header. UTC Time hhmmss.sss 1,2,2.1 2,2,2.3 Fix time to 1ms accuracy.
<LF> 6. Limited Warranty The EB-N701 is warranted to be free from defects in material and functions for one year from the date of purchase. Any failure of this product within this period under normal conditions will be replaced at no charge to the customers EverMore Technology Inc.
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