Posted on June 27, 2011 at 23:53Hello, to reduce powerconsumption during sleep the ADC and DMA are stopped befor the controller is send to sleep mode. What is the correct sequence to start an ADC conversion after wakeup from sleep ? Is the ADC calib...
Posted on June 01, 2011 at 14:45Hello, I encountered problems when trying to send SPI data by means of DMA. It seems that DMA transfer never starts. The sequence of configurations commands is as follow: 1) Enable SPI and DMA clocks RCC_AHBPeri...
Posted on June 27, 2011 at 08:32hi. i am tring to activate 3 chanel as ''6-step PWM generation'' with Dead time and afourth channel as stady 50% duty cycle . for some reason when i activate the Fourth Channel it disraps the other three. why? here is...
Posted on June 26, 2011 at 22:05Hello everybody,I have the following configuration: two stm discovery connecte via SPI, one configured as master and the other as slave. What I do is send SPI commands from the master to the slave, and base on the val...
Posted on June 07, 2011 at 03:07Hi,I'd like to use the STM32F2 series MCU for a new project, but am struggling to find a STM3220G-EVAL. I plan to use this to prototype the product.Does anyone know where I can source one, or have a spare that they ar...
Posted on June 22, 2011 at 00:03I have three questions regarding clock configuration for the STM32F207 / STM32F217: 1. Is there any advantage to using any specific HSE frequency between 4MHz and 26MHz that is evenly divisible by 2, if the goal is t...
Posted on June 21, 2011 at 15:59it seems stm32L152 is almost pin to pin compatible with stm32f103. I am thinking to replace current design with L152 part. but I did find any ST documents talking about this. does anyone done this? any suggestion or t...
Posted on June 21, 2011 at 18:21Hi, I have to create a firmware using stm32f100 microcontroller. I don't be able to start because the project that i use doesn't function. I need someone that is working, or he has morked whit this micro and with this...
Posted on June 08, 2011 at 16:57Has anyone successfully worked with driving SD card with SDIO_CK over 25MHz? I'm working on a SD card project. I'm trying to increase SDIO_CK up to 48MHz. but I keep receive SD_ERROR 3 ''SD_CMD_RSP_TIMEOUT ''. SD car...
Posted on June 21, 2011 at 09:26hello, I have dowload the example of HOST USB for stm32f105 (same for stm32F107) and when I compile my project (I have copy/paste all files in my project) i go into the inifinite loop of HardFault_Handler(). this happ...
