Daikin MT6210 - Firmware Updating Procedure

FIRMWARE UPDATING PROCEDURE
MT6210 A2L MITIGATION CONTROLDAIKIN APPLIED
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Firmware Updating Procedure
Renesas Flash Programmer
The MT6210 has the Renesas RA2L1 microcontroller which has
an embedded bootloader to allow updating functional rmware
over a serial interface. This bootloader interface uses serial
channel 9 (SCI-9). The mode switch and mode button are used
together to invoke the bootloader interface functionality.
1. Install the Renesas Flash Programmer
The programmer can be downloaded from Renesas:
https://www.renesas.com/us/en/software-tool/renesas-
ash-programmer-programming-gui
2. Download the programmer to your computer, unzip and
install.
3. Start the Renesas Flash Programmer:
Start->Renesas Flash Programmer
Figure 4: Renesas Flash Programmer Screen
4. Select the Connect Settings
Select the COM port and Speed settings shown.
Figure 5: Connect Settings Screen
Programming
Updating the rmware is accomplished with the following steps:
1. Connect the 6-pin serial cable with the FTDI to USB
interface to the board.
2. Set the mode switch to “BOOT”, then press the “RESET”
button.
Figure 6: BOOT and RESET Buttons
3. Initiate the programmer.
Select the Operation tab of the Renesas Flash
Programmer.
Select the programming le, type “srec”.
Press the Start button.
The programming sequence will commence.
Figure 7: Operation Tab