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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Connect accelerometer to stm32

Posted on December 04, 2011 at 23:11Hello. I have troubles with connecting adxl345 to stm32f103vet6.When I try to read a data from device, I always get '0'. For example:int16_vect3 myVec;ADXL_GetACC(myVec);///myVec.x now is '0', myVec.y=0,myVec.z=0I...

Am I right initialize I2C and read bytes?

Posted on December 06, 2011 at 18:19Hello. I have a device connected to stm32 through I2C1. Am I right initialize it?&sharpdefine DEV_ADDR 0x53uint8_t I2C_ByteRead(uint8_t Addr){ uint8_t tmp;    while(I2C_GetFlagStatus(I2CG, I2C_FLAG_BUSY)); // Whil...

Missing data on the SPI bus?

Posted on December 09, 2011 at 20:57 I have a Max3107 UART hooked up via the SPI1 bus on a STM32F103ZG. Currently, I can configure the UART, write data out and receive it. I'm trying to implement trigger interrupts because the UART has a 128 word...

STM32F107 IWDG does not make a reset

Posted on December 12, 2011 at 16:08Hello, I'm using the ST libraries to initialize the IWDG  with following code:  IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable);   IWDG_SetPrescaler(IWDG_Prescaler_128);   IWDG_SetReload(0x400);   IWDG_ReloadCounter(...

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TIM4 Missing Update Interrupt

Posted on December 06, 2011 at 10:12The follow ISR capture an event incoming on TIM4_CCP2, and each 8 of this events the register oldCCP is subtracted from CCR2, this value is strored in loop_buf[cyc][lb_index], the value of CCR2 updates oldCCP, and...

how to capture signal at rate 3 mbit/s

Posted on December 09, 2011 at 23:23hi,i have a signal to rate at 3mbit/s. The clock and signal are separate on two line.i tried to use connect EXTI on the clock. When i have a interrupt, i read the PIN where the signal's. This solution don't work.S...