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CFern.2
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since ‎2020-11-02
‎2023-06-14

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User Activity

SAI peripheral: separate kernel clocks for Block A and Block B?

2021-05-14
I am working on a project based on the STM32WB55VG. I am trying to use SAI Block A as a PDM interface to receive data from two digital microphones. I would also like to use SAI Block B as an I2S interface to output audio data to an amplifier.In RM043...

Getting different results for memory reads over STM Programmer GUI vs CLI

2021-02-17
I am working on a project using the STM32WB55xx series. I'm trying to read the Device Information Table (AN5185 Section 6.6.1, pg 17) using a bash script and the STM32 Programmer CLI.According to the documentation (AN5185 Section 1.2 page 3) I should...

Full duplex audio: If Audio In is PDM, do I need to use SPDIF for Audio Out?

2020-11-02
I'm trying to understand the SAI configuration options. I would love to be able to use PDM for Audio Input, and I2S for Audio Output. Is a configuration like that possible? Or do I need to use SPDIF for Audio Out if I'm using PDM for Audio In?
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