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F4 FSMC connect to FPGA

Posted on September 04, 2015 at 16:58Hi, I am using F405's FSMC to connect to a FPGA, I am planning to configure FSMC in SRAM/PSRAM mode, however, I only want to use 4 address lines, A[3:0], can the rest of address pins to be configured as GPIOs or ...

frank23 by Associate II
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CCM on STM32F405 and STM32F446

Posted on September 03, 2015 at 13:57Hi, We are using STM32F303 in one of our project and find the CCM routine booster is of great help. Now, we are openning a new project using F4, but the CCM programming information is very limited on F4. My quest...

frank23 by Associate II
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Failing to call interrupt handler

Posted on September 04, 2015 at 09:23Hi all, I have implemented a simple routine to drive a buzzer. The routine will enable a timer and will toggle state of the pin connected to the buzzer at different frequencies. The buzzer code is: void buzz(uint...

danesh by Associate II
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RTC Calibration - AN2604 wrong?

Posted on September 04, 2015 at 09:46Hi!AN2604 (http://www.st.com/web/en/resource/technical/document/application_note/CD00167326.pdf) states a formula for calculating PPM. The formula is as following: f32_Deviation=((f32_AvgFreq-511.968)/511.968)*10...

trond by Associate
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STM32F4 Interrupt/DMA/Array issue

Posted on September 03, 2015 at 19:21 I'm having a problem where when I try to access an array from within a timer interrupt callback, everything seems to fall apart. To keep it simple, I have: Timer 2 is set up to interrupt every 10us. ...

STM32F410 new devices

Posted on September 03, 2015 at 09:32Hello,in new HAL drivers in Cube 1.8.0 for F4xx, I found some defines for STM32F410Tx, STM32F410Cx and STM32F410Rx. I didn't found anything on st site so I'm wondering if there will be new series and why is nothi...

tm3341 by Associate II
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