STM32 MCUs Products

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STM32F303 I2C Clock Frequency

Posted on October 12, 2016 at 15:57Hello, We are using I2C on a STM32F303 in master mode. We have computed the configuration of TIMINGR register using AN4235 (and CodeMX gives same results). We don't use clock stretching. We are facing an unexpected...

Second endpoint issue - STM32F107

Posted on October 12, 2016 at 22:35 We are using the following USB FS library. All I need is an additional IN end point to send data to Host. When I tried to add an End point, for end point 2, transfer complete flag is never set. When using End ...

rraval2 by Associate
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Which USB device class to choose?

Posted on October 12, 2016 at 22:27Hey guys i'd like to use my STM32F4 to transfer data from the MCU to the PC (and vice versa). I thought it would be the easiest for the PC to be the host and the MCU to be the device, therefore i have worked my way...

RESOLVED: USART functions returning ''no definition error''

Posted on October 12, 2016 at 19:24Hello, When using USART, is stm32f4xx_usart.h the only file I would need to include?I currently have this:#include ''stm32f4xx.h''#include ''stm32f4_discovery.h''#include ''stm32f4xx_usart.h''#include <string.h>But...

selmesal by Associate II
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Avoiding spurious interrupt

Posted on October 12, 2016 at 17:28 Hello all, I'm trying to measure the frequency of a signal using the input capture. I'm using the STM32F030's timer 3, which is a 16 bit timer. I want to extend the resolution to 32 bits, using the Capture ...

SRAM - how to find its address ?

Posted on October 10, 2016 at 22:40Hello,I have created with cube new sram display device, and I have its generated code,But I can't find the address which correspond to this device.How should I find it ? I also made search in internet and forum but...

ranran by Senior II
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Jumping to flash address in other bank

Posted on October 12, 2016 at 15:07 Hi! I work on a Nucelo 144, with STM32F4 I try to make a jump starting from the start application (sector 1, address 0x8000000, bank 1) to another application contained in Sector 17 ( address 0x8120000, ba...

STM32F746ZGT6 SDRAM data misaligned

Posted on October 11, 2016 at 23:31I'm having an issue using the FMC to access the SDRAM on an IS4216400J DRAM chip. When I read back the data, it seems the values are misaligned by a half-word. For example, here's some test code I am using:  __IO u...