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Dual ADC multi-channel sampling

smile
Associate II

‎2025-05-09 12:19 AM - last edited on ‎2025-05-09 7:04 AM by

Does STM32 support dual-ADC multi-channel sampling? For example, ADC1 enables IN1 and IN2, and ADC2 enables IN3 and IN4. Is the storage method in the adc_buffer as follows?

  • adc_buffer[0]: High 16 bits = ADC1 IN1, Low 16 bits = ADC2 IN3

  • adc_buffer[1]: High 16 bits = ADC1 IN2, Low 16 bits = ADC2 IN4

And how should I configure this in CubeMX?

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TDK
Guru

‎2025-05-09 6:54 AM

In general, yes, although samples will be interleaved. Look up dual mode interleaved in the relevant Reference Manual of your chip.

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mƎALLEm
ST Employee

‎2025-05-09 7:06 AM

Hello,

You need always provide the STM32 part number. 

Please review how to post a thread in this community on this post.

Thank you for your understanding.

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