STM expansion board--- STM32F4DIS-BB

[arunease]

Posted on October 16, 2015 at 16:57

hi, 

I would like to know if i can buy a STM32F4DIS-BB and connect it to stm32f429 discovery board?

[Tesla DeLorean]

Posted on October 16, 2015 at 17:07

That breakout-board doesn't work with the STM32F429I-DISCO, but the more critical issue is that there aren't really any usable interfaces as the SDRAM + LCD soak up all the pins. The support for DCMI, ETHERNET and SDIO are all compromised. It's why no one has really bothered with such boards.

WaveShare has a breakout-board for the F429I-DISCO, but also has there own F429 design using a higher pin count device that might be significantly more practical.

http://www.wvshare.com/product/Open429Z-D-Standard.htm

http://www.wvshare.com/product/Open429I-C-Standard.htm

http://www.wvshare.com/product/Core429I.htm

WaveShare make good stuff, have several of their boards.What interfaces are you trying to get at? Take a look at the STM32F469I-DISCO

[arunease]

Posted on October 16, 2015 at 18:17

thank for your advice. 

i am gonna use emmc with sdio. can you advice me which one to use ?

[Tesla DeLorean]

Posted on October 16, 2015 at 18:51

Can  you live without the display? The SDIO needs a pin used by the LCD.

Suggest you review you application against the User Manual, and the pin utilization. What interfaces, enumerate them, does your application need? If you don't need the LCD+SDRAM, you could use the older STM32F4-DISCO + STM32F4-DIS-BB combination. The Core429I would seem with the break-out board would provide you with the most flexibility.

http://www.wvshare.com/product/Core429I.htm

[arunease]

Posted on October 16, 2015 at 20:00

ok, i will review.