STM32 MCUs Products

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Forum Posts

Flags for VBAT low-power mode?

I'm using a Nucleo F429ZI, and want to use the VBAT mode when the controller loses VDD. Are there any flags that are specifically set or reset when the controller enters or leaves VBAT mode? I read in a reference manual that a power-down reset is wha...

JChan.0 by Associate II
  • 684 Views
  • 1 replies
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Bug in HAL_ADCEx_Calibration_Start

The function using ADC_CALIBRATION_TIMEOUT. This timeout is defines as:/* Fixed timeout value for ADC calibration. */ /* Values defined to be higher than worst cases: low clock frequency, */ /* maximum presca...

SIM900 question ?

Dear Members,I want to test my SIM900 module,Do I need something more from this code ?printf("TEST SIM900\r\n"); //usart_pstr("AT\r\n"); target =0; //UART1 selected printf("AT/r"); HAL_UART_Receive(&huart1, (uint8_t *)&RxModem, 8,100); ...

How to combine two PWM pulses along with a delay in between?

I am using stm32756G eval board. I want to generate a pattern of two PWM pulse along with a delay. Example: A pulse of 1Khz + delay (milliseconds) + A pulse of 1KhzI am able to generate a PWM pulse of 1Khz.Is there any example for that in stm32cubef7...

phenom by Associate II
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  • 2 replies
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How to program an STM32 ARM micro controller

Hi guys, I have a project where I need to use STM32 ARM processors I want to be able to program a bare chip of STM32's ARM Microcontrollers on my breadboard. I have a ST link V2 as the programmer. I would like to know what software (for free only)/ap...

Sashvat by Associate II
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  • 15 replies
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DMA to/from external SDRAM

Using the STM32F769 Disco, I've enable the external SDRAM using the FMC and can read/write that memory.I also have both SAI audio and microSD interfaces working with DMA, as long as the memory target/destination is internal SRAM. However, DMA transfe...