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Does the STM32F413 use the LSE generation 1 or 2?

The document AN2867 (Oscillator design guide for STM8AF/AL/S, STM32 MCUs and MPUs) defines to groups for the F4 series: F4_g1 and F4_g2. There is a list with the controllers for each group, but the STM32F413 is not mentioned.

Stefan W by Associate II
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Problem with STM32H743ZI2 USART Rx DMA

Hi,Can someone help me identify what I am doing wrong ?Still having issues with the DMA, but with Rx DMA instead. The issue with Tx DMA is fixed.I am trying to send 4 chars from a terminal to the H743 rxbuf array using DMA.In the debugger window, the...

Modbus/RTU communication using USART in L475

Hi, There is a feature provided by ST in the L475 controller that Modbus/RTU communication using USART. Can we ignore the USART RX interrupt as the end of block detection interrupt provided by this feature to collect the data?Is this block detection ...

Harish1 by Associate III
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STM32L073 DMA Simultaneous RX and TX

I've been trying to get simultaneous RX and TX working on USART2 of a STM32L073 and have not been able to get it to work. I've messed around with priorities, order of enabling DMA transfers, etc but always the TX DMA transfer succeedes and the Rx DM...

DPast.1 by Associate II
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STM32U585 takes 13 seconds to compute RSA for TLS handshake

I'm evaluating the STM32U585 TLS performance using the eval board B-U585I-IOT02A. The example application code for MQTT using TLS did not include code on how to load a client key for client authentication but I was able to add that in. The problem I ...

RCost.1 by Associate
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  • 2 replies
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Can't Get Timer 15 IRQ to Fire on STM32L496

This is driving my crazy. Trying to port some code from a STM32L432 to a STM32L496. The L432 code has worked fine for years. There are a few differences between the two micros, mostly related to USB vs USB OTG. But I thought I had everything ironed o...

jvavra by Associate III
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Sigfox_Button example in STSW-S2LP-SFX-DK. Hi I tried to test a custom board (STAM32L073 and S2-LP) using the Sigfox_Button example code. The program gets stuck when I try to send a message. Above I describe the details.

I changed the pins appropriately in order to adapt the example to the test hardware.I also stored sigfox ID and PAC in the STM32 flash. The Initializations appear to be successful. Unfortunately when I try to send a message to the Sigfox backend via:...

trx2001 by Associate II
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LPTIM cnt Initialize

I am using the low power timer (LPTIM), but i need to initialize the timer value to 30000 before start the counting.Is it possible ?Thank you!

MWisi.1 by Associate II
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Resolved! stm32 h7 analog direct channel

i am using stm32h723zg nucleo board, I'm using adc's direct channe, There are 2 different analog channel definition processes for the direct channel.what is the difference between the two.A-)LL_SYSCFG_OpenAnalogSwitch(LL_SYSCFG_ANALOG_SWITCH_PC2|LL_...