SPI总线源代码。可以很好得学习SPI总线和SPI通信-SPI bus source code. Can be a very good learning SPI bus and SPI communication

1 SPI接口EEPROM的控制 2 SPI总线在单片机系统中的实现 3 基于RS-232的串口通信 4 FLASH存储器K9F6408U0A的控制 5 I2C接口EEPROM——AT24C512-1 SPI interface EEPROM Control 2 SPI bus system in the realization of single-chip 3-based RS-232 Serial Co