The 133MHz Slave Side SPI/QPI Controller is a versatile PHY interface from Green Mountain Semiconductor designed to ensure compatibility with Macronix NOR Flash products. Its architecture allows a maximum operable frequency of 133MHz, thus significantly enhancing data throughput. Easy porting to other CMOS technologies ensures flexibility while maintaining compatibility with standard cell and GPIO libraries. As a crucial component for a variety of memory products and in-memory AI technologies, this controller effectively supports enhanced system integration and performance across different applications.