In-Depth Understanding of SPI Communication Protocol and Practical Applications with STM32 (W25Q128 Driver)
1. Introduction to W25Q128 W25Q128 is a 128M-bit (16MB) SPI interface Flash memory chip launched by Winbond, supporting standard SPI, Dual-SPI, and Quad-SPI modes. Key features include: Operating Voltage: 2.7V~3.6V Page Structure: 256 pages/block, 16KB per block, total of 1024 blocks Supports page programming (256 bytes/page) Erase operations supported: sector erase (4KB), block erase (32/64KB), … Read more