STM32 MCUs Products

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External chip initialization through SPI problem

Posted on November 10, 2017 at 18:21I have an STM32F103C8T6 uC and an ASIC chip with memory. They communicate with SPI interface, ST being the Master device. On the uC lies a Firmware by the vendor of the ASIC device. I have been trying to shape it ...

STM32L496 SPI don't work 8bit

Posted on November 09, 2017 at 15:07Hi,i use a STM32L496.I configured the SPI to communicate 8bit but it always generates 16clk e 16bit data.SPI : MASTER- halfduplex 2wire(1clk , 1Mosi/Miso) /* Enable clock for SPI2 */ RCC->APB1ENR1 |= RCC_APB1ENR1_...

Power cycling after ROP setting

Posted on June 28, 2017 at 13:34Hello. My application hangs after setting the ROP to LVL1 and resetting the whole device. I have found some people had this issue as well and power cycling helped (which is my case as well). But it is kind of an incon...

n-pulse with variable duty cycle

Posted on November 10, 2017 at 14:09Hello, I'm working with STM32F4 Discovery Board and trying to generate a 16-pulse signal with variable duty cycle like this on the picture below.Currently i can generate 16 Pulse through One Pulse Mode. However i ...

_legacyfs_online_stmicro_images_0690X0000060MvzQAE.png _legacyfs_online_stmicro_images_0690X0000060Mw4QAE.png _legacyfs_online_stmicro_images_0690X0000060MxHQAU.png _legacyfs_online_stmicro_images_0690X0000060MxMQAU.png

stm32f0 ADC internal temperature sensor

Posted on November 10, 2017 at 07:40 Hello. I need read temperature from internal sensor. But when i use code from examples, all time i have result more then 30 degrees of Celsius(~1760 - factory calibration value, ~1740 - ADC value in cold st...

STM32F0 SRAM DOUBT

Posted on October 26, 2017 at 15:57I'm using STM32F0 Discovery and need to store values in SRAM when MCU is powered off.I already removed SB1 shunt. Then VBAT is not powered from VDD but pin3 of P1 (VBAT pin supplied with 3V).When I turn off my STM2...

jmpo by Associate
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IAR EW + STM lib

Posted on November 10, 2017 at 12:41Hello! I loaded project from library STM32CubeL4 to  IAR EW 8.20, compiled by pressing Rebuild All, then select Simulator instead ST-Link (my DISCO board haven't arrive yet), then press Debug without downloading a...

STM32L4 Oversampler producing odd results

Posted on November 09, 2017 at 23:59STM32L496CubeMX v4.21  (Edit, updated to V4.22.1, same issue)HAL Framework: 1.8I'm trying to reduce some of the noise in my system by using the hardware oversampling.  However, I've noticed that the resulting conv...

Jim Kaz by Associate II
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Problem in external interrupt on PORTB

Posted on November 07, 2017 at 06:31I am using STM32F0308 Dicovery Board. I want to use external interrupt on PIN11 of PORTB. Problem is that I am not able to invoke the PORTB. Microcontroller is still uses PIN11 of PORTA. I know that pins of ports ...