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Patukes
Associate III
March 21, 2023
Solved

Hi everyone, I have stm32F303re, LQFP64 package. it possible for me to use external SRAM on it?

  • March 21, 2023
  • 3 replies
  • 1191 views

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Best answer by Foued_KH

Hello @Patukes​ ,

I recommend you try with STM32G473 5(LQFP64 package).

This device embed high-speed memories (up to 512 Kbytes of Flash memory, and 128 Kbytes of SRAM), a flexible external memory controller (FSMC) for static memories (for devices with packages of 100 pins and more), a Quad-SPI Flash memory interface, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.

Foued

3 replies

Tesla DeLorean
Guru
March 21, 2023

Pretty sure there are not enough pins to expose an FMC bus. I'm sure you could walk the pin list in the Data Sheet

Depending on what you're attempting to achieve you might be able to interface to a FIFO RAM or FPGA via some GPIO pins

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Foued_KH
Foued_KHBest answer
ST Employee
March 21, 2023

Hello @Patukes​ ,

I recommend you try with STM32G473 5(LQFP64 package).

This device embed high-speed memories (up to 512 Kbytes of Flash memory, and 128 Kbytes of SRAM), a flexible external memory controller (FSMC) for static memories (for devices with packages of 100 pins and more), a Quad-SPI Flash memory interface, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.

Foued

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Patukes
PatukesAuthor
Associate III
March 22, 2023

Thank you @Community member​  and @KHALSI_Foued​  for your answers, I appretiate.