
EVK-F10T - User guide
UBX-23008022 - R01
Device description
Page 12 of 23
C1- Public
4.4
Reset button
The RST button on the front side resets the u-blox F10 receiver.
4.5
Safe boot button
This is used to set the unit in safe boot mode. In this mode the receiver executes only minimal
functionality, such as updating new firmware into the flash memory. To set the receiver in safe boot
mode:
1.
Press the BOOT button and keep holding it down.
2.
Press the RST button.
3.
Release the RST button.
4.
Release the BOOT button.
5.
If the UART interface is used, a training sequence must be sent to the receiver.
The training sequence is a transmission of 0x55 0x55 at a baud rate of 9600 baud. Wait for at least
100 milliseconds before the interface is ready to accept commands.
4.6
LED
On the front panel of the EVK unit, a single blue LED shows the time pulse signal. The default
configuration has the following functionality:
LED
Description
Solid blue
The device is powered on with no GNSS fix.
Flashing blue
The LED flashes one pulse per second during a GNSS fix.
Table 5 LED description
The time pulse signal is configurable. For details, see the Interface description [2].
4.7
Flash memory
EVK-F10T has an 8-Mbit SPI
fl
ash built-in in the NEO-F10T receiver. It can be used to store the current
configuration
permanently.
4.8
External interrupt
On the EVK-F10T, the external interrupt (EXTINT) signal is available on the 14-pin connector. The
EXTINT signal can be used for time mark and time aiding features of the receiver, as well as for waking
up the receiver from software standby power save mode. See section 14-pin connector for more
information.