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Summary of Contents for Microcomputer Systems MSI-P602
- Page 1 MSI-P602 Trimble Lassen iQ GPS & Digital I/O Card Revision 2 User Manual PC/104 Embedded Industrial Analog I/O Series Microcomputer Systems, Inc. 1814 Ryder Drive Baton Rouge, LA 70808 ¨ Ph (225) 769-2154 Fax (225) 769-2155 ¨ Email: staff@microcomputersystems.com http://www.microcomputersystems.com...
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Page 2: Table Of Contents
D. Digital I/O Registers and Connections E. 3.0V Battery III. GPS SOFTWARE COMMANDS A. Trimble Standard Interface Protocol (TSIP) B. Trimble ASCII Interface Protocol (TAIP) C. NMEA 0183 IV. SAMPLE BASIC LANGUAGE TEST PROGRAM V. SPECIFICATIONS APPENDIX Schematic Diagrams of the MSI-P602... - Page 3 BLANK PAGE...
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Page 4: Introduction
I. INTRODUCTION The MSI-P602 is a low cost, high performance global positioning system which uses the Trimble Lassen iQ module. It provides 12-channel GPS functionality that is fully compatible with Trimble’s popular Lassen SQ module using Trimble’s FirstGPS® architecture which delivers complete position, velocity and time (PVT) solutions for the host application. - Page 5 The card is supplied with an active antenna having a 5 meter (16.5 ft.) cable and a spacer kit. A sample test program is supplied that illustrates programming of the UARTs for the various protocols and data transfer rates. Operates from -40° to 85° C. Page 5 MSI-P602 User Manual...
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Page 6: Ii.hardware Description
II. HARDWARE DESCRIPTION A. Card Configuration The MSI-P602 card is a CMOS design using through-hole and surface-mounted devices. The card configuration is shown in Figure 2 and a circuit diagram of the network is given in Appendix B. The card contains two UARTS (U4 and U5) that commnucate with the GPS module. -
Page 7: Card Addressing
IBM PC. CAUTION: Make sure that the addresses you select for the MSI-P602 are not in conflict with the serial ports of your CPU card. For example, if your CPU uses COM1 and/or COM2,... -
Page 8: Interrupt Connections
3) JP1-4 is connected to the interrupt request signal of the primary UART (TSIP protocol). This can jumpered to a desired interrupt, IRQ4 thru IRQ9, of JP1. The signal is a tri-state gate which permits connecting multiple sources to the same IRQx interrupt. Page 8 MSI-P602 User Manual... - Page 9 IRQ5 and no 1K pulldown is provided elsewhere. A wire-wrap chain could be connected from JP1-12 to JP1-8 to JP1-7. o o o o o o o o o o o o Figure 4. Interrupt jumper block JP1 configuration. Page 9 MSI-P602 User Manual...
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Page 10: Digital I/O Registers And Connections
U4 (Primary) OUT2 OUT3 Output U5 (Secondary) OUT1 OUT4 Output U5 (Secondary) OUT2 Input U4 (Primary) Input U4 (Primary) Input U5 (Secondary) Input U5 (Secondary) * J1 even numbered pins 2 thru 16 are ground. Page 10 MSI-P602 User Manual... -
Page 11: 3.0V Battery
The battery is enabled to the module when jumper JP4 is in the ON position. The unit is shipped with this jumper in the OFF position to conserve battery power. Page 11 MSI-P602 User Manual... -
Page 12: Gps Software Commands
For those applications requiring customization see Customizing Receiver Operations, page 89 for a detailed description of the key setup parameters. Application guidelines are provided for each TSIP Command Packet, beginning on page 102. Page 12 MSI-P602 User Manual... -
Page 13: Trimble Ascii Interface Protocol (Taip)
Although, receivers incorporating this protocol are shipped from the factory with a specific serial port setting, the port characteristics are fully programmable through TAIP messages. Page 13 MSI-P602 User Manual... -
Page 14: Nmea 0183
NMEA 0183 is a popular choice since, in many cases, an NMEA 0183 software application code already exists. The Lassen iQ GPS receiver is available with firmware that supports a subset of the NMEA 0183 messages: GGA, GLL, GSA, GSV, RMC, VTC, and ZDA. Page 14 MSI-P602 User Manual... -
Page 15: Sample Basic Language Test Program
QBASIC by Microsoft Corporation. An interpreter can be provided at no charge upon request. ‘GPS terminal program for MSI-P602 with Lassen iQ primary ‘port at 9600 BAUD and secondary port at 4800 BAUD (default mode) COM1 = &H3F8: COM2 = &H2F8: COM3 = &H3E8: COM4 = &H2E8 primary = COM3 ‘set default for primary port (U4) to COM3... - Page 16 = &H0: GOSUB sendpchar ‘send <byte2> pchar = &H0: GOSUB sendpchar ‘send <byte3> pchar = &H0: GOSUB sendpchar ‘send <byte4, set RMC > pchar = &H5: GOSUB sendpchar ‘send <byte5, sets factory ‘ default> Page 16 MSI-P602 User Manual...
- Page 17 IF C$ <> “” THEN GOTO begin ‘goto begin on keyboard entry IF NMEA = 1 THEN GOSUB getsecondarychar ELSE GOSUB getprimarychar GOTO repeat init: ‘init MSI-P602 port of U4 cr$ = CHR$(13) OUT primary + 3, &H80 OUT primary, BAUD OUT primary + 1, 0 OUT primary + 3, 11’3...
- Page 18 IF ((z1 AND &H20) / &H20) > 0 THEN q = 0 ELSE q = 1 ‘invert /CTS bit PRINT “/IN4 (J1-15) = “; q ‘display /IN4 WHILE INKEY$ = “”: WEND ‘delay until keyboard character entry RETURN Page 18 MSI-P602 User Manual...
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Page 19: Specifications
18,000 m (60,000 ft.) max Velocity 515 m/sec (1000 knots) max Either limit may be exceeded, but not both. GPS Protocols TSIP TAIP NMEA 0183 v3.0 GGA, VTG, GLL, ZDA, GSA, GSV and RMC RTCM SC-104 Page 25 MSI-P602 User Manual... - Page 20 1KOhm Pulldowns 3 wire-wrap selectable Option Jumpers .025" square posts, 0.1" grid Digital I/O Connector 3M 30316-5002 Electrical & Environmental +5V @ 70 mA typical, continuous mode +5V @ 45 mA typical, power save mode -40° to 80° C Page 26 MSI-P602 User Manual...
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Page 21: Appendix
APPENDIX Schematic Diagrams of the MSI-P602 1) P602-1.sch - Schematic sheet 1 of 2. See p602r2-1.pdf 2) P602-2.sch - Schematic sheet 2 of 2. See p602r2-2.pdf Page 27 MSI-P602 User Manual...
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