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Trouble triggering TIM2 capture compare from TRC

Hi there, I'm using the STM32H7 and I need to get one of the SAI FS signals to go through a pre-scaler and trigger a capture compare on TIM2 CC3.The only solution for this seems to be to use SAI2_FS_A -> TIM5_ETR1 -> TIM5_TRGO -> TIM8_ITR3 -> TIM8_TR...

Mttjcksn by Associate III
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SmBus Comm Problem

We need to Smbus Communication to use BQ78350(Texas Instrument) with STM32F051R8T6. We studied the example codes in your website. (https://www.st.com/en/embedded-software/x-cube-smbus.html) But the examples are so complicated to understand. We need t...

SIM900A GSM module with stm32f1

I'm trying to send message to sim900A via the serial port. The AT commands work but the GSM replies with some unwanted text (Previously sent text ) then finally OK. The GSM is supposed to reply what I typed with some prompts and finally OK. The pict...

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ASeyo by Associate II
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What are the correct values for embedded flash wait state setting and programming delays for VOS0 range and AXI clock 240MHz?

Hi,I'm using a STM32H745 and looking at RM0399 rev 2. In table 15 for the flash memory timings there are no values for VOS0 range and the maximum frequency in the table is 225MHz. Going by other sections of the document the maximum Faclk is 240MHz.I ...

mickminn by Associate III
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How to start on 32-bit chips?

Hi, there: I have been a professional embedded programmer - mostly 8051 and 8-bit PICs. Things have not been going well professionally and personally there so I am looking to expand into the growing market of 32-bit chips. However, I found those chip...

Unexpected timers beahavior with DMA

Hello everyone,I'm having really hard times using timers in my project. I am using STM32F401RE with CubeMX and AC6 as workbench. Let's go in order: i have some ADC conversions to perform that are triggered by timer firing, then the converted values a...

MCarp by Associate
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Multiple I2C Slave Addresses (more than 2)

Is there a way to handle a lot of discrete I2C slave addresses; I can't cover all the different addresses I need with the standard two addresses + masks without covering unwanted ones that I don't want to be ACK'd.I'm wondering if there's a way the c...

JKing.3 by Associate II
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  • 2 replies
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