STM32 MCUs Products

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Forum Posts

HALL bug not setting clock ?

Hello. I was working on example generated by cubeMX (new version) on STM32L562VET6Q processor and canbus.Example code of networking worked just fine, but copying code to my LL based project made CANBUS inoperable.I was able to track down what is diff...

Linas L by Senior II
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  • 1 replies
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STM32L0x2 bug in reference manual

RM0376 Reference manual for STM32L0x2 DocID025941 Rev 5 states in 14.9 "Temperature sensor and internal reference voltage" :The following formula gives the actual VDDA voltage supplying the device: VDDA = 3 V x VREFINT_CAL / VREFINT_DATAThis can't be...

MWebj by Associate III
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  • 6 replies
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Pipeline stage explanation

hi, all. I wanted to ask about The pipeline stages in the m cortex processors , i read that m0 has 3 stages and m0+ has 2 , which renders it more efficient , can anyone explain what that means?

AMat.1 by Associate II
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  • 1 replies
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F7 UARTs Anything special?

The F4 board worked fine doing UART DMA. I start to regret this upgrade.Forget DMA and IT for now, just trying to get F7 polling working.First HAL_UART_Receive works, but the rest time out.Register analysis is unenlightening going by RM0385 referen...

Sking.21 by Associate III
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  • 3 replies
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Resolved! STM32L431RC MSI oscillator drift.

I have an application who requires a stable clock source in the whole temperature range but the power budget is tight, so we chose to use the MSI in sync with an external low power 32khz clock.To save extra power we send the core to sleep while it's ...