Texas Instruments SWRU294, User Manual, Page: 36 / 57

SWRU294
Page 36/40
11 Updating the firmware
Updating the EB firmware is done automatically by SmartRF Studio and SmartRF Flash
Programmer if an old or incompatible firmware version is found on the USB MCU. SmartRF Flash
Programmer also allows manual programming of the EB firmware. Please refer to the respective
user’s guides for detailed instructions. A simple step-by-step guide for updating the USB MCU
firmware using SmartRF Studio is provided below.
1. Turn off the evaluation board (EB).
2. Disconnect any connected evaluation module (EM).
3. Plug in the USB cable and turn the power switch on.
4. The SmartRF TrxEB device should appear in the SmartRF Studio main window as seen
in Figure 28a.
5. Double click the TrxEB device. SmartRF Studio will prompt if you wish to update the EB
firmware (Figure 28b).
6. Confirm that you wish to update the EB firmware and wait for the upgrade process to
complete (Figure 28c). This may take several seconds.
7. The EB will re-appear as a connected device in the SmartRF Studio window when the
update is completed.
a)
b) c)
Figure 28
– Firmware upgrade steps in SmartRF Studio