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GPS2058 Module Evaluation Kit
User Manual
April, 2008
Rev 1.3
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Table of Contents Page Topic 2 Introduction 3 Kit Contents 3 Getting Started – Quick Guide 4 Description of Contents 4 Minimum System Requirements 5 Evaluation Kit Component Diagram 5 Features/Functional Descriptions 7 Procedure for Establishing an RS-232 Connection 8 FAQ Introduction The GPS2058EVK evaluation kit provides a complete hardware and software platform to test and evaluate the DeLorme GPS2058 GPS receiver module for integration into custom applications.
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Kit Contents Your GPS2058EVK kit contains the following: 1. GPS2058 evaluation board with module, in plastic case 2. Active antenna 3. USB cable 4. 120/220V wall adapter 5. 12V auto adapter 6. Street Atlas USA® 2008 DVD Getting Started – Quick Guide 1) Verify all kit contents are present. 2) Install Evaluation kit demonstration software (downloaded with this document) 3) Plug the antenna into the antenna connector. Ensure you have a sky view with the antenna for proper si
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Description of Contents • GPS2058EVK evaluation board with module The development board with GPS module is housed in a plastic case. You can open the lid to access the module and internal connectors, batteries, and switches. The following resources are available on the unit: • Dual RS232 level serial data I/O ports • USB port • Backup battery power source for standby mode demonstration • Regulated DC power supply to the GPS2058 • GPS and Power Status indicator LEDs on the front panel •
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Layout and Component Location Features/Functional Descriptions The evaluation kit is self-contained and portable with a minimum number of external connections. You can operate the kit using a USB cable to the host computer and an active RF antenna (supplied) in a minimum configuration. Other kit features: • DC Options: The kit may be powered from the 12V Car adapter, 120/240V DC adapter, USB power, or two AA Batteries. Note that only one power source is necessary for the kit to f
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• Power Indicator (right-side Bi-color LED) • DC On, Battery Good = Green • DC On, Battery Weak = Yellow-Orange • DC Off or not present, Battery Weak = Red • Other conditions = No indication • Reset Switch: Available from the front panel. Signals a reset directly to the module; observable on the User Connectors (Refer to schematic). • Battery Holder: 2 AA in coin-type holder (end-to-end), accessible under the lid. • User Connector: Accessible under the lid for probing and or custo
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Procedure for establishing RS-232 serial connections NMEA Port 1) Disconnect the USB connection (the NMEA and USB share UART0 and may conflict with each other). 2) Connect External AC Adapter as power source. 3) Connect the antenna. 4) Power on the kit. 5) Connect the RS-232 serial cable to the NMEA port (at the back of the EVK). 6) Ensure the NMEA DTC/DTE switch on the left is in the correct position for the cable. Left position for straight-thru cable, right position for a switch-cab
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+ FAQ Q: Why don’t the LEDs light up when I apply power? A: If you’re using either USB or external DC, the power LED (on the right) should be illuminated. If the batteries are inserted, this won’t be illuminated unless the batteries are low. If power is OK, then the GPS LED (on the left) should be pulsing about once per second. If this LED is not pulsing, check the module alignment– see “How are modules aligned” below. Q: Why can’t I get a fix? A: Check the LEDs first! (See questi
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5 4 3 2 1 12V EXT3V3 VBATT 3V3 J1 J1 L1 L1 L2 L2 U1 U1 U2 U2 D1 D1 D3 D3 MA MA2Y 2YD2100L D2100L 1 8 1 7 8 E E Vcc OUT LX OUT 22uH 22uH 15uH 15uH 2 MA MA2Y 2YD2100L D2100L R2 R2 D4 D4 MA MA2Y 2YD2100L D2100L 3 R6 R6 2 5 5 1 SYNC FB SHDN FB 62K 62K DC Power Jack DC Power Jack 5K6 5K6 R37 R37 J2 J2 Q1 Q1 3 6 2 3 INH VREF LBI LBO USB5V 100 100 2N3906 2N3906 1% R4 R4 62K 62K 1 D2 D2 R3 R3 R38 R38 4 7 2 4 6 COMP GND REF GND C33 C33 D10 D10 3K3 3K3 100 100 E-L5970D E-L5970D 2x 2xAA_Coi AA_Coin n R5 R5
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5 4 3 2 1 USB5V R35 R35 0 0.033 .033 C21 & C22 provide U5 U5 C21 C21 C22 C22 C23 C23 Note for Rev. C: decoupling for J6 J6 SW SW3 3 3V3 R12 R12 29 1 L3 is replaced by R35 U5 pins 1 & 34 PA0/MCO VDD 10K 10K 0.1u 0.1uF F 0.1u 0.1uF F 4_7u 4_7uF F 28 C14 C14 PA1/SDA/ICCDATA DTE 1 24 34 PA2/SCL/ICCCLK VDDA R13 R13 6 23 12 PA3/EXTCLK VPP/TEST 10K 10K 2 DCE 22 PA4/ICAP1/IT1 C19 C19 5 5.6pF .6pF 7 21 0.1u 0.1uF F PA5/ICAP2/IT2 R21 R21 470 470 3 20 U4 U4 PA6/OCMP1/IT3 D D 8 19 2 PA7/OCMP2/IT4 OSCOUT R
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GPIO5/CANTX GPIO4/CANRX 5 4 3 2 1 RF-GND D D RF-IN RF-GND BOOTEN Mod36_rsvd Mod35_rsvd TRACKLED U1TX U1RX U0TX J11 J11 RF-GND, Pin 40 40 U1 U1 RF-IN, Pin 39 39 RF-GND, Pin 38 38 BOOTEN, Pin 37 37 TP1 TP1 TP2 TP2 (Reserved), Pin 36 36 (Reserved), Pin 35 Test Poi Test Poin nt t Test Poi Test Poin nt t 35 TRACKLED, Pin 34 34 U1TX, Pin 33 33 U1RX, Pin 32 32 U0TX, Pin 31 J10 J10 31 GND, Pin 1 U0RX, Pin 30 GND R2 R2 0.1 0.1 U0RX 1 1 30 30 GND U0RX VCC IN, Pin 2 nJTRST, Pin 29 VCC In nJRST 2 2 29 29 VC
