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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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Serial Wire Viewer (SWV) on STM32F100

Posted on December 06, 2012 at 16:52Hello,I'm trying to use the serial wire viewer with the STLINK/V2 and the STM32VLdiscovery kit. The embedded debugger is bypassed because it doesn't support SWV.Debug is OK but there is no signal on SWV. The pin 1...

pcu by Associate II
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SPI Strange behaviour

Posted on December 06, 2012 at 15:28 Hi all, To read or write a register of ADS1298 I need to write 3 byte on SPI bus and I need some delay between every byte. Based on the discovery example I write the following read and write routine: ...

About I2C

Posted on December 06, 2012 at 11:27Hi I use STBee. When I perform I2C in Arduino, I write such a code. void writeDevice(byte address, byte registerAddress, byte data){   Wire.beginTransmission(address);    Wire.write(registerAddress);       Wire....

s1170198 by Associate II
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Bootloader and interrupts in user application

Posted on May 03, 2012 at 16:08 Hello everyone! Help me, please, to understand where is the problem. I have my own bootloader, located at 0x08000000. And user application I locate at 0x08019000. The algorithm of my bootloader is:...

STM32 100 Khz Timer

Posted on December 05, 2012 at 17:34Hi guys,I am new to the STM32 Micro and I am dealing with a STM32F0 discovery board. I am messing around with the TIMER peripheral trying to get a 400 Khz, however I have some issues with the TIM3 settings, below ...

giorgio2 by Associate II
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libPDMFilter_GCC.a (pdm_filter.o) does not uses VFP

Posted on November 08, 2012 at 03:36 How I can build my application with STM32F4-Discovery_FW_V1.1.0 in VFP notification? arm-none-eabi-ar -r libstm32f4.a misc.o stm32f4xx_dma.o stm32f4xx_rcc.o stm32f4xx_adc.o stm32f4xx_exti.o stm32f4xx_rng.o stm32...

lin by Associate II
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I2C documentation error (Master Read N Bytes)

Posted on December 04, 2012 at 19:14In the STM32F4 ref manual (RM0090, current version Nov. 2012), the read of N (>2) Bytes is described like this (end of 25.3.3): For N >2 -byte reception, from N-2 data reception â—� Wait until BTF = 1 (data N-2 in...

flyer31 by Senior
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JTAG remap on STM32F103C8T6

Posted on December 04, 2012 at 15:32Hi, I have this issue: PB3 and PB 4 should be a GPIO in push/pull. For PB4 the remap and configuration works fine, but i cant get a high level out of PB3. Here is my code:RCC->APB2ENR |=1;             /* Enable A...

bond1 by Associate II
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SDIO in STM32F217XX

Posted on December 05, 2012 at 14:36When a 4bit microSD card is interfacing to the SDIO in  STM32F217XX, is packing (and unpacking) Data done in FIFOs inside the SDIO? How does it work? #sdio-4bit-bus

zbyszekl by Associate II
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