STM32 MCUs Products

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STM32 I2S Transmit Slave DMA issue

Posted on September 23, 2014 at 08:28Hi, I'm currently running a STM32F4 Discovery board, connected to a AD1938 Codec. The STM32 is running as I2S Transmit Slave, with the clocks for WS(LRCLK) and BCLK coming from the AD1938. The STM32F4 is using th...

phil2 by Associate II
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ADC on F407 versus F42x/43x

Posted on September 23, 2014 at 13:59Hello, with regard to ADC noise on the F407, AN4547 (F407 -> F42x migration) tells: '' Resolved with new behavior to enhance the accuracy'' However I don't see any description of the new behavior! Can anybody cla...

STM32F4 USB HID: transmit interrupt

Posted on September 16, 2014 at 13:42Hi,The STM USB HID stack generates an interrupt when new data have been received (eg 64 bytes). It is necessary to poll the status (using the USBD_HID_RecReport function), but this is no problem in my application...

koster by Associate III
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PWR_ClearFlag(PWR_FLAG_SB) not work

Posted on September 23, 2014 at 13:15Hi.I am using the STM32F205ZC and I try to clear the StandBy flag by this command.PWR_ClearFlag(PWR_FLAG_SB). But it doesn't work. I try manual to go to PWR_CR->CSBF and clear there but no help.Only when I active...

Barbie by Associate II
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How to get actual value of RTC Autowakeup Timer

Posted on October 11, 2013 at 08:48As you know Autowakeup timer is the only Stop Mode active timer in STM32L. The other timers are all off. I don't have any problems with this timer. I can adjust the period and can get the interrupt right on time. S...

Interference when using SSD1963 and SDRAM over FMC

Posted on September 19, 2014 at 23:43Hi everyone, This is my first post on this community, that i found great, so before everything let me say thank you. I'm currently working on a spare time project which involve some basic PID simulated control/pr...

davide by Associate II
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STM32F437VI

Posted on September 22, 2014 at 08:05Hi This is a very general question. I am new to cortex M4 processors. I would like to know if I can use a piece of code written in a cortex M4 processor (say STM32F437VI) in any of ST's cortex M0+ or M3 processor...