stm32f401 USB schematic
Posted on May 14, 2015 at 16:09Good day,I want to make stm32f401 act like slave for my project.Can you tell if this schematic will work?
STM32 MCUs Products
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STM32 and Audio for SIM900
Posted on May 15, 2015 at 14:04I need my device to call a number using the SIM900 GSM chip and play a *.wav file from the flash to the SIM900's microphone. I have no experience with audio and I have 2 questions: 1. Is it possible to use microcontrol...
Blinking LED
Posted on May 15, 2015 at 08:02Hello everyone, i would like to ask for your knowledge. I am new in Cortex programming (my only experience is on Adruino platform) and i have managed to blink the LEDs on my Cortex device (it's an STM32 conStick fro...
32F429IDISCOVERY SDRAM(FMC) and PG2 pin problem
Posted on May 14, 2015 at 18:09Hi,I have a very strange problem with the SDRAM controlling and PG2 pin use. I use SDRAM as an additive memory space so it is vital for my program because I do calculations that need a lot of space. This works very wel...
how to allow the clock to be output onto the external MCO pin
Posted on May 06, 2015 at 13:03I want to have a sample of system clock at MCO pin of STM32F107RC micro controller. I use dspin firmware library for driving stepper motor. The on board crystal is 8MHz and system clock set to be 72MHz. I add this code...
STM32F407: Can I turn off LD1 COM and LD2 PWR LEDs?
Posted on May 15, 2015 at 07:22Hi,I am trying to do a project for school, where I am just trying to measure the power consumption of the board running my algorithm, but I would like to measure the board with ALL LEDs off. I was wondering if it's pos...
stm32f429 external sdram
Posted on May 13, 2015 at 22:22Hello. I try to work with external sdram AS4C4M32S-6TIN via fmc interface.It has got 4 internal banks. When i write data in first bank all ok.But there is a problem with others banks.When i write data in one of the thr...
Interrupt priority grouping on stm32f1xx series
Posted on April 30, 2015 at 12:12In programming manual (PM0056) in the description of ''Application interrupt and reset control register (SCB_AIRCR)'' two things are written: 1) Bits 10,9 and 8 defines PRIGROUP - they determine the split of group pr...
STM32 comStick
Posted on April 13, 2015 at 19:10Hello everyone, i want to seek some guidance. A friend of mine has given to me an small STM32 comStick evaluation board and i was seeking of some developers resources. I have already checked the various examples t...
STM32F303 SPI alternative use of the NSS pin problem
Posted on May 12, 2015 at 17:52When using SPI2 PB12 is the NSS pin. However, I want to use PB12 as an output and not have it set or reset by the NSS when using SPI2. I thought I had done that by this line of code: SPI_InitStructure.SPI_NSS = SPI_NSS...
