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CC2650: custom board 5x5 (RHB) - Flashing issue

Part Number: CC2650

Hi all,

i worked on CC2650 Launchpad and now i shifted to cc2650 custom board (RHB) in which im getting flashing issues (Timeout errors).

4 scenarios i have observed while flashing SPP_BLE_Server example code and as well as customized SPP_BLE_Server code on both boards.

1. SPP_BLE_Server example code can be flashed any number of times on CC2650 Launchpad.

2. SPP_BLE_Server example code can be flashed any number of times on CC2650 Custom board (RHB)

3. customized SPP_BLE_Server code can be flashed any number of times on CC2650 Launchpad

4. But customized SPP_BLE_Server code can be flashed only once on CC2650 Custom board (RHB) and after that i will be getting an Load Program error as shown in the attachment. also attached error statement displayed on console. every time i have to do mass erase of the board using Flash programmer 2. My question is why it is only happening for custom RHB board why not in Launchpad. Please suggest me whether i have to consider any changes while flashing custom board RHB ? 

(* Pin configuration are considered and modified according to the boards used)