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GPS-EVAL2R2 Datasheet(PDF) 2 Page - rfsolutions.ltd |
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GPS-EVAL2R2 Datasheet(HTML) 2 Page - rfsolutions.ltd |
2 / 4 page DS033-3 July 2004 ©2004 Reg. No. 227 4001, England Page 2 GPS MODULE EVALUATION BOARD Jumper Settings The Pin Headers provide access to the GPS modules pins. Pin 1 of each of the pin headers connects through to the GPS module as indicated in the table below. Pin 2 of each pin header is connected to ground. Please refer to the Data Interface section on page 4 of datasheet DS031 for information on the functionality of these pins. Jumper Link GPS Pin Link Open Link Closed I/O ON_OFF ON/OFF ON OFF Input B_R BAUD RATE 9600 4800 Input PPS PPS N/A N/A Output RST RESET - RESET Input STY STY1 - STY1 Input SBY Standby - Standby Input ALM ALMRDY N/A N/A Output Power Connections Power can be supplied to the board at either 3.3Vdc or 4- 9Vdc via the 3V3 or JP1 pin headers respectively. Data Connections Data access is provided at either RS232 or TTL voltage levels. • The 9-way D-Type connector provides data transfer at RS232 voltage levels. It may be connected directly to a COM port of a PC. • The COMMS pin header provides direct access to the GPS module 3.3V data lines. COMMS_1 = GPS Data Transmit COMMS_2 = GPS Data Recieve In this case the RS232 Driver chip can be disabled by removing R3 and R9. Status LEDs LED1 (the green LED) illuminates to indicate that a valid almanac is available. LED2 (the red LED) flashes to indicate that no GPS information is available. LED2 remains off if GPS information is available. PCB Dimensions: 85.5mm x 33.5mm Other Information For a detailed description of the GPS Module please see the following documents: GPS Datasheet: DS031 GPS Programmers Guide: DS032 Software Information The following software may be used to operate on a PC in conjunction with the evaluation board: Microsoft Autoroute • This produces a complete Satellite navigation system. The GPS information is utilised to plot your position on a map of your current location. |
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