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mcoc7n
Associate II
since ‎2020-05-04
‎2023-06-14

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  • 9 Posts
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User Activity

STM32L475RC - Clock security system on LSE - LSECSSD is set after power on reset.

2021-04-23
Hi,I'm working with a STM32L475RC. The RTC is sourced by LSE and the CSS on LSE is activated.On every power on the LSECSSD bit in the backup domain control register is set. This means that the CSS has detected an error on the LSE. Now I'am wondering ...

STM32l475RC - TIM3 configuration when running in low power mode

2021-04-15
Hi,in my Project I need a millisecond timer. Therefore I try to use TIM3. Now I have the following problem.For example, when the MCU runs in Run-Mode at 80 MHz TIM3 fires every 1 ms according to its configuration. But when the MCU runs in low power m...

STM32 SMBUS - Communication error during block read/write - SDA remains low.

2020-10-16
Hi,I'm working on a project with a STM32L475RC and I'm facing problems with the SMBUS.The STM32L475RC is used as a SMBUS/PMBUS Client. As smbus/pmbus stack I use the X-CUBE-SMBUS Expansion Package (AN4502).Now I'm facing problems with block transfers...

STM32L475RC - reconfiguration of peripherals necessary when switching between power modes?

2020-10-14
Hi,I'm working on a project with a STM32L475RC.Depending on the operating status the STM32 is switched between different run modes like run mode, low power run mode and shutdown mode. When switching from run mode to low power run mode the clocks are ...

How to configure and use the STM32Cube SMBUS/PMBUS stack?

2020-05-07
Hello,I'm using the STM32L475RC as a SMBUS/PMBUS Client and generated the Code with CubeMX.As smbus/pmbus stack I use the X-CUBE-SMBUS Expansion Package (AN4502).I've read and studied the examples that come with the package and tried to configure the...
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