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Anton Martinsen
Anton Martinsen
Associate II
September 25, 2020
Question

Default HSE set to 25 MHz for NUCLEO-F722ZE

  • September 25, 2020
  • 3 replies
  • 2065 views

Is it intented for STM32CubeMX drivers for NUCLEO-F722ZE to have 25MHz as HSE input by default? The hardware I bought from ST had an 8MHz oscillator as input for HSE, not 25 MHz.

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3 replies

Amel NASRI
Amel NASRI
ST Technical Moderator
September 29, 2020

Hi @Anton Martinsen​ ,

This is reported to our STM32CubeMX development team who will take care to bring required corrections.

Thanks,

-Amel

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Tesla DeLorean
Tesla DeLorean
Guru
September 29, 2020

Seen the stm32xxxx_hal_conf.h​ contain the wrong HSE_VALUE on occasion as examples moved from EVAL or DISCO series boards with alternate clocking for Ethernet, etc.

​

As a general rule I tend to print CPU and bus speeds to a debug console so I can quickly check they are as expected, helps when dealing with dozens of boards.​

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Amel NASRI
Amel NASRI
ST Technical Moderator
September 29, 2020

Hi @Community member​ ,

Which example please? What I noted is the difference between stm32f7xx_hal_conf.h and system_stm32f7xx.c regarding HSE_VALUE for same project. This has to be highlighted as well.

-Amel

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Tesla DeLorean
Tesla DeLorean
Guru
September 29, 2020

It was more of a historic observation, a quick grep yielded this non-comprehensive list

STM32Cube_FW_F7_V1.16.0\Projects\STM32F767ZI-Nucleo\Examples\FLASH\FLASH_SwapBank\Inc\stm32f7xx_hal_conf.h

STM32Cube_FW_F7_V1.16.0\Projects\STM32F767ZI-Nucleo\Examples\SPI\SPI_FullDuplex_AdvComIT\Inc\stm32f7xx_hal_conf.h

STM32Cube_FW_F7_V1.16.0\Projects\STM32F767ZI-Nucleo\Examples\SPI\SPI_FullDuplex_AdvComPolling\Inc\stm32f7xx_hal_conf.h

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Nesrine.JLASSI
Nesrine.JLASSI
Visitor II
October 9, 2020

Hello @Anton Martinsen​ 

Thanks for the feedback, issue reported to the tool development team that will plan the correction.

Best regards,

Nesrine

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