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3 Getting started
3.1 u-center 2 installation
u-center 2, the u-blox interactive evaluation software tool is required for configuration, testing,
visualization and data analysis of u-blox GNSS receivers as well as EVKs. The EVK user guide
together with the u-center 2 evaluation tool provide useful assistance during all phases of a system
integration project. To install the u-center 2 evaluation software tool, follow the steps available on
www.u-blox.com/product/u-center. For more information on how to use the u-center 2 evaluation
software tool, refer to the u-center 2 User guide [5].
The required Windows drivers for the FTDI FT4232H USB-to-UART converter that is used in the EVK
are available from the Microsoft Windows Update service. To ensure that the latest FTDI drivers
are installed automatically from Windows Update, check and uninstall the previously installed
FTDI drivers. The Windows system driver search mechanism will download and install the FTDI
drivers automatically from the Microsoft Windows Update service. If the automatic installation fails,
contact u-blox support to get the FTDI drivers and install manually.
3.2 Hardware installation
1.
Connect the EVK-M101/C to a PC running Microsoft Windows. The available interfaces are
listed below. Refer to section
• USB-C: Connect via USB-C port that is connected internally to an FTDI USB-to-UART
converter. Set interface switch to UART (option 0) or I2C/UART (option 2).
• UART: Connect via RS-232 or through the 14-pin connector. Set interface switch to UART
(option 0) or I2C/UART (option 2).
• SPI, I2C: Connect via corresponding pins on the 14-pin connector. Set interface switch
accordingly to SPI (option 1) or I2C/UART (option 2). Refer to
interface positions.
Use UART (option 0) if the internal SPI flash memory is in use.
Press the RST button after changing the switch setting.
2.
The device must always have power, either via USB on the back panel or through the 5V_IN
input on the front panel of the EVK.
3.
Connect the provided GNSS antenna to the evaluation unit and place the antenna in a
location with clear sky view.
4.
Start the u-center 2 evaluation tool and select corresponding COM port and baud rate.
3.3 Interface default configuration
Parameter
UART, Input
UART, Output
SPI / I2C, Input
SPI / I2C, Output
Table 3: Default configuration
The SPI, I2C and UART interfaces on the 14-pin connector are available for debugging and
design-in purposes.
UBX-21003949 - R04
C1-Public
Device description
Description
UBX and NMEA protocol at 38400 baud
UBX and NMEA protocol at 38400 baud
UBX and NMEA protocol
UBX and NMEA protocol
for more information on the interfaces.
Remark
Only NMEA messages are activated by default
Only NMEA messages are activated by default
3 Getting started
EVK-M101, EVK-M101C - User guide
Figure 2
to see these
Page 7 of 30
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