About khkim

khkim · 2024-06-30

Hello,I am using the STM32H7A3ZITQ and have encountered an issue while controlling the MT25QL128ABA1ESESF0IT flash memory during the flash read process. I am operating in QSPI mode. During extended aging evaluations, a 5-second timeout (a busy flag ...

khkim · 2023-12-18

STM32H7A3ZIT6QI have a firmware that receives data via UART and responds accordingly at an external side, using a Timer interrupt. When the JTAG is connected, the program works as expected, with all commands being responded to. However, when the JTAG...

khkim · 2024-07-03

Hi, Could you please provide some advice to help identify the root cause?

khkim · 2024-07-03

In the conditions where the issue occurs, the clock continuously generates without interruption, and the data line remains consistently high and CS line low.

khkim · 2024-07-01

Thanks for your answer, Here is my initialization code for OctoSPI1. I evaluated the number of dummy cycles from 1 to 15. It only works correctly with 10 dummy cycles. based on this, I estimate that we are operating at a clock frequency of 125MHz(Fla...

khkim · 2023-12-18

Thank you for your commnets.I found that the issue was caused by the status of the Ground connection. I guess that if I connect the JTAG to the board, the ground connection will become stronger than before.The issue was disappeared when I improved th...

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STM32H7A3ZITQ_LQFP144 QSPI Timeout Issue

STM32H7

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