BKPSRAM definitions in F401 and F411 headers
Posted on January 30, 2017 at 17:57Hello,device headers stm32f401xc.h, stm32f401xe.h and stm32f411xe.h define BKPSRAM_BASE also these devices have no backup sram.Bye
Forum Posts
how to use the example CDC_Standalone for personal application
Posted on April 27, 2016 at 10:10I would like to begin the application example CDC Standalone, edit it for my purpose.Manage a data stream from the PC to the micro, to be saved in the internal memory. The response stream and control to the Pc by the...
STM32F3: Specifics of using DBG pins for GPIO
Posted on January 30, 2017 at 19:07I'm using a 64-pin STM32F303 in a design and looking into using some of the SW Debug Pins for LEDs. I've read through the Reference and Programming Manuals and Datasheets for details but am a little confused on so...
RTC display wrong time on STM32L476RG
Posted on January 30, 2017 at 18:10Hi all:I used the device as a data logger, wake up from shutdown mode if the nucleo RTC alarm goes off on 29 minute every hour.But it seems the system RTC display wrong time before the device enters shutdown mode....
about osxAcousticEC
Posted on January 30, 2017 at 21:56Hi,I have a few questions about osxAcousticEC:1. I need the AEC profiling. Doc UM1966 says I can find the information in osxAcousticEC_Package.chm, but I really could find anything about the MIPS, RAM and Flash. I ...
Resolved! Do GPIO pins maintain their state when the STM32F4xx goes into STOP mode?
Posted on January 30, 2017 at 19:38The reference manual, RM 00090, does not explicitly stay what happens to the GPIO lines when STOP mode is entered. If a pin is high, does it stay high?#stop-mode #gpio
STM32F4: Receiving USART DMA Tx on Rx
Posted on January 30, 2017 at 20:38I've configured DMA for Tx and Rx on USART 3 on an STM32F4. The device on the other end is a Bluetooth module. I am, for some reason, receiving my transmitted command back as a reception. Is this expected behav...
ST Bluetooth module SPBT3.0DP2 firmware example
Posted on January 30, 2017 at 19:00Hi Good morning, I am planning to use ST Bluetooth module SPBT3.0DP2 with stm32F20x microcontroller for my application.I understand that the Bluetooth module supports the UART communication and works with AT c...
STM32L4 LPTIM : CNT EXCEEDS ARR & INFINITE IRQ HANDLER PROCESSING(FIXED)
Posted on November 28, 2015 at 04:51First of all, forgive my poor English :)As title indicated,I want to propose two issue I confront in my work.Before that,I would like to introduce the function I was supposed to achieve briefly. In my project, I u...
Resolved! STM32F373 DAC documentation mistake/inaccuracy in DACout formula
Posted on January 24, 2017 at 19:14While researching a project I measured the output of STM32F373V8 DAC and had a hard time considering whether it is Ok.Reading the latest Reference Manual (June 2016 DocID022448 Rev 5) for the MCU found a formula fo...
