Transystem EB-250 User manual

EB-250 GPS Engine Board AN-01
Evaluation Kit User’s Manual
Ver 1.0
Transystem Inc., all rights reserved.
TRANSYSTEM INC.
No. 1-2 Li-Hsin Rd. I, Science-Based
Industrial Park, Hsinchu, Taiwan
T : +886-3-5780390 / F : +886-3-5784111
www.transystem.com.tw

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Table of Contents
1Introduction............................................................................................................................ 3
2When you open it.................................................................................................................. 3
2.1 Evaluation Board Picture.......................................................................................... 3
2.2 USB Setup ................................................................................................................. 4
3GPS Testing Software .......................................................................................................... 4
4. Connector Definition............................................................................................................ 7
5. Evaluation Board Schematics ............................................................................................ 8

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1 Introduction
EB-250 evaluation kit is an user friendly tool for your evaluation of TSI’s EB-250 GPS
engine board. With its miniature size, low power consumption and superior performance,
EB-250 is your ultimate choice for all embedded applications such as :
•Handheld devices (PDA, Smart phone…)
•Automotive and Marine Navigation
•Automotive Navigator Tracking
•Emergency Locator
•Geographic Surveying
•Personal Positioning
•Sporting and Recreation
2 When you open it
a. USB Cable x1
b. EB-250 Evaluation Board x1
c. GA-232 Active Antenna x1
(IPX Connector)
d. CD-ROM with technical data
and GPS testing software
2.1 Evaluation Board Picture
a. RF Port 1 JR1 (Ipex)
b. Mini USB Port
c. USB/RS232 Select Switch
d. RS232 Port
e. GPS On/Off Switch
f. Test point for EB-250
signals
g. Aux RF Port 2 J1 (MMCX)

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2.2 USB Setup
a. Plug active antenna into the external antenna connector JR1
b. Connect USB cable between EB-250 Evaluation board and PC
c. Turn SW1 to “ USB “ position
d. Turn SW2 to “ GPS On “ position
3 GPS Testing Software
a. Check the COM port number from Device Manager in your PC first.
b. Place CD-ROM into your CD drive.
c. Install CP2101 driver for USB port from CD-ROM.
d. Double click GPSView.exe
e. Following main page will show on your screen.

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f. Select baud rate and serial port.
Default setting for EB-250 is 9600bps and COM1.
g. Click “Setup” tap, more options for your choice of NMEA output, update rate, Datum,
DGPS…etc. are available through pull-down menus.

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h. Go back to main page for viewing of life performance information including Date,
Time, Latitude, Longitude, Altitude, Speed, Satellite number, SNR…etc.
There are still more options for you to click on including : Hot (Hot Start), Warm
(Warm Start), Cold (Cold Start), NMEA Log (Log the data as a *.nma file).

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4. Connector Definition
Pin#
Signal Name Type
Description
1 RX1 I Serial Data Input
2 TX1 O Serial Data Output
3 PPS O 1Hz pulse 10% duty cycle when GPS has position fix
4 TXD O Serial data Output (NMEA)
5 RXD I Serial Data Innput (NMEA)
6 GND P Ground
7 GPIO[8] I/O*
General input/ output
8 GPIO[0] O GPS status, blink when GPS has position fix
9 GPIO[4] I/O*
General input/ output
10 V285D P Digital power indicator, 2.85V±2%
11 On / Off I GPS Power On / Off control , Open if not used
12 V_RTC_3V3 P RTC power 1.5~6V DC, 500uA max
13 VIN_3V3 P Power Supply 3.0~6V DC
14 GPIO[6] I/O*
General input / output
15 GPIO[7] I/O*
General input / output
16 GPIO[5] I/O*
General input / output
17 GND P Ground
18 NC NC NC
19 V285A P Analog power indicator, 2.85V±2%
20 GND P Ground
21 RF Input I Antenna port, L1, 1575.42MHz, 50 ohm
22 GND P Ground
P: Power I: Input O: Output I/O*: Input or Output, Open if not used

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5. Evaluation Board Schematics

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Contact Information
Transystem Inc.
No. 1-2 Li-Hsin Rd. I,
Science-Based Industrial Park,
Hsinchu, Taiwan, R.O.C.
T : +886.3.578.0393 / F : +886.3.578.4111
www.transystem.com.tw
gp[email protected].tw
Table of contents