FMC Connect

[kadir ustun1]

Posted on March 22, 2018 at 10:03

Hello, I want to use SDRAM with STM32F429(lqfp100). How can I connect FMC pins to SDRAM.

Please can you help me ?

[Tesla DeLorean]

Posted on March 22, 2018 at 12:48

Are there enough pins? Use the data sheet and review the STM32F429I-DISCO schematic to understand connectivity expectations.

[kadir ustun1]

Posted on March 22, 2018 at 13:01

I thing,there are not enough pins. But I must do MCU that has 100 pins(stm32f429)

[Tesla DeLorean]

Posted on March 22, 2018 at 13:22

You're not going to get 10 gallons in a 5 gallon bucket, decide what goal posts you're going to have to move.

[kadir ustun1]

Posted on March 22, 2018 at 13:45

Don't I connect SDRAM to stm32f429 which has 100 pins ?

[Tesla DeLorean]

Posted on March 22, 2018 at 15:16

You said there aren't enough pins? The Data Sheet should confirm this.

The SDRAM and LCD interfaces consume a lot of pins, by necessity. If you want to escape extended functionality you're going to have to pick a part which has enough pins to do that. I can't wave a wand and make that happen.

[kadir ustun1]

Posted on March 22, 2018 at 21:20

actually ı will gui with stm32f429 that has 100 pins on the tft lcd. so ı need to connect SDRAM. but ı don't know between this mcu and SDRAM connection

[kadir ustun1]

Posted on March 23, 2018 at 07:24

And can ı do GUI without external SDRAM?

[kadir ustun1]

Posted on March 23, 2018 at 08:54

Can ı make GUI without use external SDRAM?

[Jan Waclawek]

Posted on March 23, 2018 at 08:38

You can not use SDRAM with 'F429 with less than 144 pins.

JW