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Chandan Bhatia1
Chandan Bhatia1
Associate III
September 4, 2020
Question

External QSPI flash storage in STM32F746ZGTx rather than STM32F746 Discovery Board

  • September 4, 2020
  • 2 replies
  • 1095 views

Hello, I am able to store data External QSPI flash storage of  STM32F746 Discovery Board using given external loader N25Q128A_STM32F746G-DISCO with STM32 CubeMx programer.

Now in my project I am using different package STM32F746ZGTx ( LQFP144 (20x20 mm) ) . I am not sure if same given external loader will work or should I need to create my own loader.

Can any one explain How exactly external loader work ? It will making QSPI in indirect mode to store data data.

0693W000003QmHxQAK.jpg

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2 replies

Tesla DeLorean
Tesla DeLorean
Guru
September 4, 2020

The external loader facilitates access to the unique memory and board specifics. Provides simple API to read, write, erase, etc.

​

Your choice of memory IC and pins/wiring will dictate if an existing loader can be used, or if you need one tailored to your different design choices.​

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Chandan Bhatia1
Chandan Bhatia1Author
Associate III
September 12, 2020

@Community member​  Hi, I tried but got issue. Can you please check this link ? Thanks

https://community.st.com/s/question/0D53W00000HL6ULSA1/stm32-external-loader-program-with-stm32cube-programmer

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