General questions about STM32F7 Discovery board.

[jamesramos]

Posted on January 07, 2016 at 21:31

http://www.st.com/web/en/catalog/tools/FM116/SC959/SS1532/LN1848/PF261641?icmp=pf261641_pron_pr-massmarket_jun2015&sc=stm32f7discovery-pr♯

Now, I have spent just about all day looking for this one, but to no result. This thing in the top-corner labelled ''

http://www.waveshare.com/img/devkit/STM32F746G-DISCO/STM32F746G-DISCO-top-layout.jpg

.'' What connector is it?The microcontroller apparently has 4 I2Cs.

http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/DM00190424.pdf

, it shows only 3 are used, one which goes to the I2C extension connector, and the other which I assume to be on the Arduino header, is that assumption correct?The Arduino headers are designed for the features and pin-count of the Atmega328, now the STM32F7 is a much larger microcontroller, so, my question is, are all features, timers, etc, that are unused by the peripherals that come with the board accessible on the Arduino headers? If not, are there any extra headers that aren't obvious on the image that allow me to access them?Also, has anyone who owns the board tried overclocking it? If so, what were your results?Lastly, if anyone here owns the product, can you please take an image of it that shows the I2C extension connector in more detail? The only photos I could find on the internet where shot from the top.Any assistance is appreciated, and I apologize if the answers to these questions seem obvious to you, as they are not as obvious to me. #stm32f7-disco-stm32

[Tesla DeLorean]

Posted on January 07, 2016 at 22:26

The connector is for an RF EEPROM Dongle

http://www.st.com/web/en/resource/technical/document/data_brief/DM00027758.pdf

The pins to the Arduino Shield header are described in the User Manual. I've plugged in shields with USART (GPS) and SPI (SDCARD) connectivity. The pins used are not entirely flexible in there usage. You'd need to review the STM32F7xx Data Sheet to understand those options. There are a pair of pins that have there function/names switched around.

https://community.st.com/0D50X00009Xkgc0SAB

 Try Google for some pictures, don't have mine to hand

http://kamami.pl/53872-thickbox_default/stm32f746g-disco-zestaw-uruchomieniowy-z-stm32f7-cortex-m7-stm32f7-discovery.jpg

Edit: Fixed DEAD LINK, original post from Jan 7, 2016

[Tesla DeLorean]

Posted on January 07, 2016 at 22:28

The User Manual should have a pin list indicating which are used. The board is heavily populated, and uses a number of devices (LCD/SDRAM) which soak up a lot of the available pins. This isn't a good break-out board.

[Tesla DeLorean]

Posted on January 08, 2016 at 05:44

[Tesla DeLorean]

Posted on June 09, 2018 at 19:13

>>

Also, has anyone who owns the board tried overclocking it? If so, what were your results?

Haven't checked my notes but think it can get close to 300 MHz, 290 MHz on the F769, 250 MHz for sure.