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Summary of Contents for rtd GPS6185HR
- Page 1 GPS6185HR User's Manual Global Satellite Positioning PC/104 Module BDM-610020042 Rev. A...
- Page 2 GPS6185HR User's Manual RTD EMBEDDED TECHNOLOGIES, INC. 103 Innovation Blvd State College, PA 16803-0906 Phone: +1-814-234-8087 FAX: +1-814-234-5218 E-mail sales@rtd.com techsupport@rtd.com Web Site http://www.rtd.com Page 2 of 32...
- Page 3 Copyright 2005 by RTD Embedded Technologies, Inc. All rights reserved The RTD Embedded Technologies Logo is a registered trademark of RTD Embedded Technologies. dspModule, cpuModule, and utilityModule are trademarks of RTD Embedded Technologies. PC/104, PC/104-Plus, and PCI-104 are registered trademarks of the PC/104 Consortium.
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Page 4: Table Of Contents
Table of Contents Introduction ............................7 Product Overview......................... 7 Board Features ..........................7 GPS6185HR Features......................7 GPS Receiver ........................7 I/O Interfaces..........................8 16C550 Compatible UARTs ....................8 Connector Description ......................8 Available Options ......................... 8 Getting Technical Support ......................8 Board Connections ........................ - Page 5 GPS6185 RTD ID ........................27 Interrupts ............................ 28 GPS6185HR Specifications......................29 GPS Receiver Specifications ..................... 29 Physical Attributes........................29 Operational ..........................29 RF Signal Environment ......................29 Environmental ........................29 UARTs............................29 GPS6185HR Operating Conditions ................... 30 Page 5 of 32...
- Page 6 Additional Information........................31 NovAtel OEM4-G2L GPS Receiver ................... 31 NMEA-0183 v2.01 Standard ...................... 31 Serial Port Programming......................31 Interrupt Programming ....................... 31 GPS Antennas ........................... 31 Limited Warranty..........................32 Page 6 of 32...
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Page 7: Introduction
Included on the GPS6185HR is a NovAtel OEM4-G2L series GPS receiver. The GPS6185HR has an onboard dual UART chip that permits communication with both serial ports on the GPS receiver module over the PC/104 bus without using other serial ports in the PC/104 system. -
Page 8: I/O Interfaces
All other I/O connections to the GPS6185HR use 0.1” header type terminals. Available Options The GPS6185HR is available as a starter kit, bundled with an active antenna. It may also be purchased as an IDAN module for integration into an RTD IDAN system. - Page 9 If problems persist, or you have questions about configuring this product, obtain the base address and IRQ settings of the GPS6185HR and other modules in the system. After you have this information, contact RTD Embedded Technologies via the following methods: Phone: +1-814-234-8087 E-Mail: techsupport@rtd.com...
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Page 10: Board Connections
Board Connections Connector and Jumper Locations The following diagram shows the location of all connectors and jumpers on the GPS6185HR. Future revisions of the GPS6185HR may have cosmetic differences. For a description of each jumper and connector, refer to the following sections. -
Page 11: Cn7 - Gps Receiver Connector (To Gps Module)
CN7 – GPS Receiver Connector (to GPS module) The GPS receiver module connects to the 2mm female socket connector. The table below shows the pin connections of the GPS receiver interface to the GPS6185HR. Name Description Ground Ground VARF Variable Frequency Out 1 Pulse Per Second +3.3V Supply... -
Page 12: Cn5 - Gps Utility Connector
CN5 – GPS Utility Connector The GPS module has several discrete inputs and outputs that are accessed throuth CN5. The pin connections are shown below. Name Description 1 Pulse Per Second Output VARF Variable Frequency Output Event 1 Mark 1 Input Event 2 Mark 2 Input Reset... -
Page 13: Cn6 - Serial Connector
CN6 – Serial Connector GPS COM2 can be directed to either the on-board UART or this serial connector. RS-232 Name RS-232 Description RS-422 Name RS-422 Description Carrier Detect Reserved Data Set Ready Reserved Receive Data RxD- Receive Data (-) Request To Send TxD+ Transmit Data (+) Transmit Data... - Page 14 CN4 – USB Connector GPS can be connected to a CPU USB port. The NovAtel module will appear as three COM ports to the system. Name Description USB Power Input (Does not power NovAtel Receiver) No connect USB Data - No connect USB Data + No connect...
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Page 15: Jumpers
The following sections describe the jumper configuration options available on the GPS6185HR. For a reference that shows the location of each set of jumpers, refer to the diagram of the GPS6185HR at the beginning of this chapter. The default factory jumper settings are listed in the following table:... - Page 16 Page 16 of 32...
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Page 17: Irq Jumpers (Default: Gps Irq 5 Closed, G Jumper Closed)
The IRQ selection jumpers allow you to set the IRQ used by the serial port UART of the GPS6185HR. The GPS6185HR can be configured for any one of the following IRQs: 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, or 15. The IRQ can be set by closing the appropriately labeled jumper on the board. -
Page 18: The G Jumper
Interrupt Service routines must be written to check all devices on an IRQ when the interrupt is detected. Many popular operating systems do not support interrupt sharing for ISA devices. Note: If you are not sharing interrupts, make sure you leave the GPS6185HR’s G jumper closed! RS-422/485 Termination for CN6 (Default: JP3 open) JP3 Jumper –... -
Page 19: Jp8 3-4 Jumper - Default Closed
Open connects the GPS COM2 to the serial connector CN6 for connection to external devices. JP8 3-4 Jumper – Default Closed Closed selects normal baud clock. The UART clock for both UARTS is set to the PC standard 1.8432 MHz. The highest baud rate possible is 115.2K baud. Open selects high speed baud clock. -
Page 20: Board Installation
The GPS6185HR can be installed into a PC/104 or PC/104-Plus stack. It can be located almost anywhere in the stack, above or below the CPU. Note: If the GPS6185HR is installed in a PC/104-Plus system, be sure to not break the chain of PCI devices (such as stacking the GPS6185HR between two PC/104-Plus boards). - Page 21 GPS6185HR was not auto-detected, or if it was configured with a non-standard base address, the serial port will need to be configured manually. Beyond the IRQ and base address, you may also need to configure the serial port parameters.
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Page 22: Hardware Description
Hardware Description Overview This chapter describes the major hardware building blocks of the GPS6185HR. The components discussed in this chapter include: • The GPS Receiver Module • Antenna • UART Channel • Pulse Outputs Block Diagram Below is a block diagram of the GPS6185HR. -
Page 23: The Novatel Gps Receiver Modules
The GPS6185HR uses its own onboard serial port and will not reserve serial port resources from the system. The I/O base address and interrupt for this serial port can be flexibly set as described in previous chapters of this manual. -
Page 24: Pulse Outputs
Pulse Outputs 1 pulse/sec output and LED The GPS receiver on the GPS6185HR generates a 1 pulse/sec buffered TTL level output that is synchronized with the Coordinated Universal Time (UTC) second. The rising edge of this signal is synchronized with the UTC within 50 ns. The receiver software produces a data message containing the UTC time associated with each time mark pulse. -
Page 25: Software Programming
“Additional Information” at the end of this manual. The I/O map of the GPS6185HR is shown in below. As shown, the module occupies two blocks of eight addresses. The Base Address (designated as BA) can be set using the jumpers as described in Chapter 2 (Board settings). -
Page 26: Gps6185 Digital I/O
Value after reset is 00h Read Bit 0 Serial Port CN6 Protocol 0 = RS-232 1 = RS-422/485 Bit 1 Reserved (read as 0) Bit 2 GPS Reset Status 0 = GPS in reset 1 = GPS normal Bit 3 GPS Position Valid 0 = GPS not ready 1 = GPS position valid... -
Page 27: Gps6185 Rtd Id
GPS BA + 400h - BA + 401h RTD ID (Read only, 8-bit or 16-bit) RTD ID is a method to identify a board on the ISA bus. There are two 8-bit registers mapped at 400h and 401h above the board base address. -
Page 28: Interrupts
The GPS6185HR uses jumper-selected interrupts for both UARTs. However, it will not actually generate interrupts unless the Interrupt Enable register has been properly programmed. Since the GPS6185HR has 16C550 UARTs, it supports all of the standard serial port interrupt events. These events include: •... -
Page 29: Gps6185Hr Specifications
GPS6185HR Specifications GPS Receiver Specifications Physical Attributes Size: 3.6”L x 3.8”W x 0.6”H (90mm L x 96mm W x 15mm H) Weight: 0.24bs (0.10 Kg) Power Consumption: 2W @ 5 VDC Typical Operational GPS receiver Novatel OEM4-G2L series Time to first fix... -
Page 30: Gps6185Hr Operating Conditions
1.8432 MHz or 14.7456 MHz jumper selectable Base addresses 64 each Interrupts 2, 3, 4, 5, 6, 7, 10, 11, 12, 14 and 15 GPS6185HR Operating Conditions Operating temperature range -40º to +85ºC Storage temperature range C to +125 Humidity... -
Page 31: Additional Information
Additional Information NovAtel OEM4-G2L GPS Receiver For a downloadable datasheet for the Novatel GPS receiver visit the receiver manufacturer’s website: http://www.novatel.com/ NMEA-0183 v2.01 Standard For a complete description on the National Marine Electronics Association (NMEA-0183) v2.01 protocol visit the NMEA website: http://www.nmea.org/ Serial Port Programming For more information about programming serial port UARTs, consult the following book:... -
Page 32: Limited Warranty
RTD Embedded Technologies, Inc. warrants the hardware and software products it manufactures and produces to be free from defects in materials and workmanship for one year following the date of shipment from RTD EMBEDDED TECHNOLOGIES, INC. This warranty is limited to the original purchaser of product and is not transferable.
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