STM32 MCUs products

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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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STM32F3Discovery opamp benchmarking

Posted on November 02, 2012 at 19:31Hi, just thought I would share these results. I've tried to benchmark F30x opamp voltage and current noise density using F3Discovery with an external feedback network connected to a Tektronics MSO4054 oscilloscope...

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eexlb2 by Associate
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Interrupt priority clarification

Posted on November 02, 2012 at 14:51Hello guys, I have been messing with interrupts recently and I have hard time to find in the manuals how the priorities actually work. I have seen the priority groups and priority values. If I understood it proper...

longchair by Associate III
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STM32VL Discovery and I2C Accelerometer

Posted on November 02, 2012 at 07:54I need some help setting up I2C connection to LIS302DL or a generic I2C accelerometer. I need some code examples to get the accelerometer working. Thanks in advance.

peppea82 by Associate II
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Using more than one inputs for EXTI of STM32 - Help!

Posted on November 02, 2012 at 04:04Dear Friends,I would like to use more than one pins PA0, PB0, PC0 for external interrupt 0, for detecting 3 buttons. I tested with PA0 and it's working well but I want to expand more PINS in similar interrupt. Doe...

toantq3 by Associate II
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STM32F4xx peripheral to memory max rate

Posted on November 01, 2012 at 18:35I have a peripheral bursting 8-bit parallel data at 56MHz gated by a data valid signal. Can the STM32F4xx support peripheral to memory dma at this rate? What is the max rate the STM32F4 can handle dma requests? ...

denny23 by Associate
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STM32F4Discovery and extra PHY

Posted on November 01, 2012 at 20:17Hello, I am trying to attach external PHY chip to my STM32F4Discovery board. I am using the 'stm32f4x7_eth_lwip' example from the ST site. I think for people that have the bigger evaluation board with already sold...

M0NKA by Senior
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StdPeriphLib Question

Posted on November 01, 2012 at 17:29So does the whole family of STM32M0-STM32M4 have their own StdPeriphDriver offering?  Under the advisement of my hardware guide, I am trying to test out the Freescale Freedom board after I have developed on the ST...

wbarkley by Associate II
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Bus Fault occured randomly during normal operation

Posted on November 01, 2012 at 07:44Dear all, MCU we are using is STM32 F103CBT6, on a motor driver application. Wehave encountered a strange phenomenon that Bus Fault occurred randomly duringnormal operation, and the fault message shows that the PC...

edison72 by Associate
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DMA: Reset hidden increment registers

Posted on October 31, 2012 at 08:05I emulate an I2C eeprom. I first receive the address, then I set the DMA-Source pointer to my tx-array (DMA_MemoryBaseAddr). As I have configured autoincrement, several bytes will be transferred. When the second re...

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