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...


What is the difference between Channels and Streams?

Posted on August 05, 2013 at 15:02Hello, I am a new starter of STM32. I'm quite confused by the concepts of Channels and Streams while dealing with DMA. What is the difference between them? Any comments will be appreciated, cheers. #dma-stm32f4di...

ran2 by Associate III
  • 4 replies
  • 1 kudos

Zero Jitter ISR for STM32F051

Posted on August 05, 2013 at 17:00Hi,On STM32F051 I am trying to implement zero jitter interrupt servce routine for TIM6. I understand in Cortex-M0 architecture, there is a way to set higher IRQ latency to achieve zero jitter. I am not able to locat...

dr by Associate
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Posted on August 02, 2013 at 06:30Hello All, I am using USART3 in Half duplex mode for 1 wire protocol. The reset pulse of the one wire protocol has to be sent at 9600 and data exchnage at 115200. The problem I am facing here is BRR register doesnt ...

problem on watchdog

Posted on August 05, 2013 at 14:51Hi everbody,I'm using a ST32F205VE. On my board, I'm using the internal watchdog of the microcontroller and an external watchdog (MCP1318T).During normal operation, the �c sends square pulses every 0.5s to the exter...

SPI configuration

Posted on July 26, 2013 at 08:00hello i have configure the SPI1 in the stm32F0 for a data acquisition from a sensor. I marked that the processor always enter in the RXNE interrupt  despite there is no  data in the MISO pin.    /* SPI1 Periph clock e...

STM32 SPI Hardware CS Generation

Posted on December 17, 2012 at 16:00 I'm working with the STM32F407VG chip (both on the STM32F4Discovery board and a custom board) and having trouble with the SPI port chip select in master mode. The following is the minimal code to demonstrate ...

jhaines by Associate
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problem with long response in SDIO.

Posted on August 04, 2013 at 10:32Hullo guys , i have my own SD library working fine , but the problem is that i can not detect the card capacity because according to the datasheet (of STM32F2XX) ...... SD cards do not return long responses . so whe...

STM32 Manuals and Schematics Correct

Posted on July 26, 2012 at 09:09In Manufacturing my own Boards, and with the assistance of Tsuneo, I have found Usb Pinout Backwards. This is after I analyzed the Specs and Schems - which match my Eagle Pcb Files and my Boards. And, I tested this f...

jlchoobs by Associate II
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