7. RF Testing Unit (RFTU)

7.1. Selection

Different RFTU’s can be used in combination with the Connectivity Production Line Tool. Which RFTU to select depends on the target protocol for wireless testing. The available RFTU’s are listed in Table 1

Table 1 Available RFTU’s

Protocol	Devkit	Link	Additional info
Bluetooth LE	DA14695 USB Kit	RTKRQ00001Z00000BJ	DA14695 USB Kit Product Page

7.2. BLE RFTU

For testing Bluetooth LE applications, Renesas Electronics Coorporation offers the DA14695 USB Kit with RFTU software as a ready to use RF testing solution. The hardware of this RFTU is exactly the same as the standard DA14695 USB Kit, but the RFTU software is preloaded. Instructions for flashing the DA14695 USB Kit with RFTU software can be found in the following section.

7.2.1. Flashing DA14695 USB Kit RFTU

To flash the RFTU software to the DA14695 USB Kit, a flash programmer and the RFTU software binary is needed. The software binary is included with the Connectivity Production Line Tool release package. And as the flash programmer, Renesas Electronics Coorporation SmartSnippets™ Toolbox is recommended. The steps to flash the software are as follows.

1. Locate the software in the Connectivity Production Line Tool release package at C:\Renesas Electronics\Renesas Connectivity PLT\Firmware\Rftu\DA14695-00HQDEVKT-U\st_fw.bin

2. Download Renesas Electronics Coorporation SmartSnippets™ Toolbox from SmartBond Development Tools Product Page

3. Run the installer

4. Start SmartSnippets™ Toolbox

5. Plug in the DA14695 USB Kit, and verify the dip switch settings (Figure 24)

   

   Figure 24 DA14695 USB Kit dip switch settings

6. Select the device

   

   Figure 25 SmartSnippets™ Toolbox device selection

7. Select the UART

   

   Figure 26 SmartSnippets™ Toolbox COM selection

8. Open the programmer

   

   Figure 27 SmartSnippets™ Toolbox flash programmer

9. Click import from file

   

   Figure 28 SmartSnippets™ Toolbox import from file

10. Select binary file from the PLT release package

    C:\Renesas Electronics\Renesas Connectivity PLT\Firmware\Rftu\DA14695-00HQDEVKT-U\st_fw.bin

    

    Figure 29 SmartSnippets™ Toolbox select binary file

11. Click prepare image

    

    Figure 30 SmartSnippets™ Toolbox prepare image

12. Click OK

    

    Figure 31 SmartSnippets™ Toolbox ok prepare image

13. Click Connect (Figure 32), and if the logs ask to press the reset, press reset button (K2, Figure 33)

    

    Figure 32 SmartSnippets™ Toolbox connect

    

    Figure 33 Bluetooth LE RFTU reset button

14. Click Read (this will fill the flash size which is needed before programming)

    

    Figure 34 SmartSnippets™ Toolbox read flash

15. Finally, click Burn to program the flash

    

    Figure 35 SmartSnippets™ Toolbox burn flash