STM32 MCUs Products

STM32L4 SPIs Maximum clock.

Posted on July 02, 2015 at 18:38Hi,For STM32L4.I would like to know if SPI2 and SPI3 maximum clocks are also 40MHZ or only SPI1 clock is?Ari.

stm32f407 : Timers with Master Slave relationship is affecting other timers

Posted on July 02, 2015 at 20:50 Hi, I currently have an issue with TIM1 being reset unintentionally by the relationship between TIM2 and TIM5. My system has TIM2 encoder counting and generating a TRGO during compare pulses. TIM5 is set i...

Bad operation in stm32l0xx_hal_tim.c

Posted on June 23, 2015 at 11:07Hello, I do not understand why the TIMER instance is stopped when a specific bloc is stopped. For example, I have 2 output compare channels activated on TIM2 with interruptions. If I use HAL_TIM_OC_Stop_IT in order t...

Problem of writing/reading microsd card using the code generated by stm32f4cubemx

Posted on May 30, 2015 at 02:53This is is very simple project, using stm32f4 discovery and wired microsd socket to read/write data to microsd card.the code is generated by the stm32f4cubemx.However error occurs at f_open, tracking down it shows FS_D...

Ideeas for encoding PPM signal to SPI data

Posted on June 28, 2015 at 19:28Hello, i started working with some texas instruments rf modules, namely cc1120 and cc1190 wireless ic's. My idea is to build a rc remote control based on a ppm input signal. I want this signal to be procesed via my M...

STM32L053 Flash Write Protection

Posted on June 30, 2015 at 06:06I wrote Option Byte and Enalbled Write Protection all flash page.I can't program MCU. It say flash is protected.How can I fix this problem ?Thank You.Khoa Tran.

EXTI occures after disabling it in SYSCFG->EXTICR

Posted on July 01, 2015 at 12:44Hello everybody, I am developing an application with external interrupts on a falling edge of Pin PB3 on an STM32l151VB. With reuse of code I initialize the EXTI line twice using the function ''SYSCFG_EXTILineConfig''...

IAR build for stm32f0 yields strange results

Posted on July 02, 2015 at 20:29Hi, My team and I use IAR to build our code for the F0. On certain computers, when I load the bin file into ST-LINK, the first block of memory (which I am assuming to be the stack pointer) is 5241497F, which basically...

STM32F103 UART DMAï¼ˆRX AND TXï¼‰ can execute only once ï¼Œ

Posted on July 02, 2015 at 09:57 Hi： i use the DMA interrupt to send 8 byte data and receive 9 byte，it can only executes once，but when i debug it step by step，it works well。i'm so confused.Sorry for my poor english. Here is my code，is ...

STM32 I-CODE and D-CODE buses

Posted on June 26, 2015 at 14:40STM32 documentation says that the I-CODE and D-CODE buses are connected to the internal flash memory. The I-CODE bus is used to fetch instructions and the D-CODE bus is used for data access in the code memory region (...

STM32 MCUs Products

Forum Posts

STM32L4 SPIs Maximum clock.

stm32f407 : Timers with Master Slave relationship is affecting other timers

Bad operation in stm32l0xx_hal_tim.c

Problem of writing/reading microsd card using the code generated by stm32f4cubemx

Ideeas for encoding PPM signal to SPI data

STM32L053 Flash Write Protection

EXTI occures after disabling it in SYSCFG->EXTICR

IAR build for stm32f0 yields strange results

STM32F103 UART DMAï¼ˆRX AND TXï¼‰ can execute only once ï¼Œ

STM32 I-CODE and D-CODE buses

One chip solution for STM32H7 or N6-series?

STM32F405 using dual USB host

HRTIM changing values of Compare register doesnt d...

About STM32U585 Flash ECC error

Readout protection of OBK-Keys from user software

EDATA is partially erased when writing code using ...