In this GitHub page, you'll find a library for STM32 (HAL) handling Winbond SPI Flash memories (W25Qxxx). Library includes functions you need to create External Loaders for STM32CubeProgrammer and ...

The Serial Peripheral Interface (SPI) interface was initially standardized by Motorola in 1979 for short-distance communication in embedded systems. In its most common four-wire configuration, ...