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IWR6843ISK: Not able to flash

Part Number: IWR6843ISK
Other Parts Discussed in Thread: MMWAVEICBOOST, , UNIFLASH

Hello everyone,

I have two MMWAVEICBOOST boards and one IWR6843ISK. I have been using the antenna board with both the booster boards. Till now, there was no problem. I was able to flash even today. But suddenly my board was not able to flash. I tried to flash the antenna board alone and it was successful. But when the board in switched ON in the functional mode as in the first figure the visualizer works.

I have seen that in functional mode when SOP0 is ON and SOP1&SOP2 are off and the antenna board is placed on the MMWAVEICBOOSt the yellow LED near the antenna board was OFF and in flashing mode LED will be ON. But now it is always ON.

When in the functional mode after switching ON the device, it will look as follows,

  

 When the reset switch is pressed the yellow light comes as shown below,

In the flashing mode,

When trying to flash using uniflash error occurs. I have tried different ways but I couldn't figure out why. I restarted the system but didn't work.  

But when the board is switched ON in the functional mode as in the first figure the visualizer works. I didn't know why.

Uniflash error,

 

Thanks in advance.

Thanks and Regards,

Aleena N A