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NavSpark PX1172R Getting Started

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Getting Started with
PX1172R Evaluation Board

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Summary of Contents for NavSpark PX1172R

  • Page 1 Getting Started with PX1172R Evaluation Board...
  • Page 2 Top View of RTK EVB USB 1 Not Used RF Input Not Used...
  • Page 3 Install USB Driver from Silicon Lab Site https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers After connecting USB cable to USB1 port, user should see a COM port appear on Device Manager.
  • Page 4 Get Windows GNSS Viewer • https://navspark.mybigcommerce.com/content/GNSS_Viewer- CustomerRelease.zip • http://navspark.mybigcommerce.com/content/GNSSViewerUserGuide.pdf...
  • Page 5 Interface of RTK EVB (1/3)
  • Page 6 Interface of RTK EVB (2/3) NAME DESCRIPTION USB_1 USB port for NMEA out, RTK correction & binary command in, 115200 USB_2 Not Used RTK_STAT_R Not Used RTK_STAT_B Status signal Low : RTK Fix for Positioning Blink : RTK Float for Positioning High : otherwise 1PPS One‐pulse‐per‐second (1PPS) time mark output, 3.3V LV‐TTL.
  • Page 7 Interface of RTK EVB (3/3) NAME DESCRIPTION VCC_RF Power for antenna or external LNA RF_IN1 RF input #1 RTK Position: RF_IN1 antenna position RF_IN2 Not Used RSTN External active-low reset input. Only needed when power supply rise time is very slow or software controlled reset is desired. BOOT_SEL Leave unconnected for normal use.
  • Page 8 EVB Usage (1/3) USB 1 1. Connect RTK antennas to RF_IN1 Not Used 2. Run GNSS Viewer on Windows laptop 3. Connect USB cable to USB1 and Windows laptop 4. Connect GNSS Viewer to EVB at 115200 baud rate Not Used RF_IN1...
  • Page 9 EVB Usage (2/3) Configure NTRIP Connection Setting...
  • Page 10 Result on GNSS Viewer After NTRIP Client getting RTK correction data and EVB receiving signal testing outdoors under open sky, the receiver will go from 3D Fix to RTK Float to RTK Fix state.

  • Page 12: Firmware Update

    Firmware Update To update firmware to PX1172R EVB: • 1. Unzip the firmware file • 2. Connect EVB USB1 to a Windows PC running GNSS Viewer. Connect GNSS Viewer to the EVB. • 3. Select the unzipped .bin file using the small button on right of the Download button.
  • Page 13 EVB Schematic 1/3...
  • Page 14 EVB Schematic 2/3...
  • Page 15 EVB Schematic 3/3...