EVK-M8GZOE User Guide
UBX-16030132 - R04
Getting Started
Page 9 of 30
Early Production Information
1.
Make sure the “Interface Switch” is at RS-232 / USB side (and not SPI side).
2.
Connect the jumpers J4, J7 and J6 as above.
3.
Connect the evaluation board to a PC by micro USB cable and / or RS-232.
o
If a USB cable is used, then the device is powered by the USB cable.
A USB connection creates a virtual COM port to the PC.
o
If an RS-232 interface is used, the device can be powered by USB cable or by the digital
connector connecting 5 V to pin 2 and GND to pin 18.
o
The green LED (Power LED in Figure 1) is turned on when power supply is connected.
4.
Now the blue LED should turn on.
5.
Connect the Active Antenna to the “Active” (Active Antenna Input) or the simulator to the
“Passive” input (Simulator Input).
6.
Start the u-center GNSS Evaluation Software and select the corresponding COM port and baud
rate, 9600 baud by default (refer to the
u-center User Guide [4] for more information).
7.
The blue LED will start blinking once per second during GNSS fixes.
3.3
Interface default configuration
Parameter
Description
Remark
RS-232, Input
UBX and NMEA protocol at 9600 baud
RS-232, Output
UBX and NMEA protocol at 9600 baud
Only NMEA messages are activated by default
USB, Input
UBX and NMEA protocol
USB, Output
UBX and NMEA protocol
Only NMEA messages are activated by default
Table 3: Default configuration
☞
There is also SPI, DDC and UART interface available for debugging and design-in purposes on the
digital connector J1.
