Behaviour and performance of the Winbond W25Q flash memories handled via QuadSPI.
In indirect mode, automatic status-polling mode, memory mapped mode.
Single and dual flash configuration.
Dual and Quad mode communication.
Developing the External Loader required.
00:00 Intro
02:24 The QuadSPI device on STM32
13:58 A library handling W25Q flash memories on QuadSPI
15:29 Testing W25Q on QuadSPI
19:18 The FSIZE field definition on QuadSPI and on OctoSPI
23:58 Select the proper timer measuring W25Q/QuadSPI behaviour
28:13 Library setup and usage
32:56 Analyzing test results
40:40 Dual flash configuration
44:52 Create an External Loader for your project
54:19 Memory Mapped mode & External Loader
Documentation:
My GitHub page about W25Q flash on QuadSPI: github.com/maudeve-it/W25Qxxx_QUADSPI_CompactEL
My playlist about Flash and Eeprom memories with STM32: ua-cam.com/play/PL6Fwy7aR3zSnOXM0IvzAp7qb-USvwOope.html
My playlist about External Loaders: ua-cam.com/play/PL6Fwy7aR3zSm-eLMNa7xaSgQ4R-lO_r38.html
Winbond W25Qxxx web page: www.winbond.com/hq/product/code-storage-flash-memory/serial-nor-flash
STM Mooc - External QSPI loader how to: www.st.com/content/st_com/en/support/learning/stm32-education/stm32-moocs/external_QSPI_loader.html
AN4013 Introduction to timers for STM32: www.st.com/resource/en/application_note/an4013-introduction-to-timers-for-stm32-mcus-stmicroelectronics.pdf
WeAct Studio STM32H7xx board schematics: github.com/WeActStudio/MiniSTM32H7xx/blob/master/HDK/STM32H7xx%20SchDoc%20V11.pdf
WeAct Studio EL for STM32H7xx board: github.com/WeActStudio/MiniSTM32H7xx/blob/master/SDK/QSPI_Flasher