STM32 MCUs Products

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Regarding IAP internal flash switching

Posted on November 15, 2017 at 12:37Hello all,I am using stm32f407 microcontroller for my application.For IAPI have chosen 1 Megabyte flash memory chip, i will separate this into two 512 kb regions.One region will be having my running application,an...

Dfuse demo v3.0.6 release ?

Posted on November 16, 2017 at 09:47Hi.I've posted articles about dfuse in the past.https://community.st.com/0D50X00009XkYMSSA3 The answer is v3.0.6 is said to have been modified.'I had this same issue and ST gave me a Pre-Release version of the DFU...

STM32F437-How to use 4KB backup SRAM as EEPROM?

Posted on November 16, 2017 at 09:17Hi guys,             I'm using STM32F437IIH6 MCU, it has a 4KB backup SRAM which can be used as EEPROM like memory,In order to achieve this we need to have a battery (3.3V coin battery) connected to the Vbat pin o...

Something wrong with SDIO

Posted on November 14, 2017 at 09:39there is something wrong with my stm32f427VI while i'm trying to operate sdio.i am init the sdio interface in pooling mode.after this ,while i call HAL_SD_WriteBlocks.it's return HAL_ERROR.and Error code is 16 Tra...

Xin Yang by Associate II
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SPI with DMA Problem

Posted on November 12, 2017 at 19:59HII have stm32f407 evaluation boardI use SPI with DMA to read/send the valuesin the evaluation board have accelarometer(spi-connect)this is the data i want to send and i shuold be get acc(x,y,z)TX_Buffer[0] = 0xA9...

STM32F4 ADC Impedance Calculation

Posted on November 05, 2017 at 19:38Hey folks!I�m trying to calculate the impedance and current draw of the ADC in an STM32F4 that�s on the Netduino. The data sheet says that the max External Input Impedance is 50K?, but gives the following equation...

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