STM32 MCUs Products

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How to respond NACK to Master

Hello everyone,I have a application on STM32L5xx, I configuration I2C1 to slave mode,when slave receive first unwanted command code, I want to response NACK to master. I judge the command code in AL_SMBUS_SlaveRxCpltCallback call back function, and s...

PYF.1 by Associate II
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  • 2 replies
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Resolved! STM32F4 A/D Input Bias Current

I'm not able to find a spec in the STM32F446 datasheet for minimum A/D input bias current. Does anyone know where I can find this info? I need to sample the voltage from a high resistance potentiometer and it would be handy to know if I need to buf...

Resolved! Output Capture not working to blink LED on NUCLEO-C031C6

I am trying to implement output capture using the LL APIs but cannot get it to blink the LED every one second on the NUCLEO board, however, I cannot get it to blink at all. Is there a register I missed?Here is my code:#include "stm32c0xx_ll_bus.h"#in...

HPate.12 by Associate II
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  • 7 replies
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Discovery L0538 UART2 RX Pin Stuck Low?

Using a Discovery L0538, and want to make use of the 2nd UART (really only need the RX on pin PA3). I noted in the User Manual that to disable the onboard touch sensor and use this pin, I need to jump solder bridge SB24 (which I did, alng with the ot...

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nobbyv77 by Associate II
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  • 14 replies
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Resolved! ST BLE Toolbox: How to use the environment

Hello,I am working with the Nucleo Bluetooth boards (NUCLEO-F401RE + NUCLEO-IDB05A2) and I want to test some custom code I'm writing to make sure I understand how to use the X-CUBE-BLE software package. To do this, I am trying to use the ST BLE Toolb...

KMew by Senior III
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  • 1 replies
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Resolved! STM32C031C6 Timer Input Capture

I'm attempting to do a simple Input Capture using Timer1. I thought as a start I would generate a single 200uS pulse using a Signal Generator and use Timer1 to detect it. I can't seem to get the capture to work no matter what I do.I tried using HAL a...

MHank.1 by Associate III
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Resolved! DFSDM Output resolution

When I use DFSDM, I configure FOSR= 256 ISOR=1 and the output is outside the range in the reference guide +-16777216

GWenJ.1 by Associate II
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  • 4 replies
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