单片机中的SPI 操作，基于C8051f020-This program accesses a SPI EEPROM using polled mode access. The F02x MCU is configured in 4-wire Single Master Mode, and the EEPROM is the only slave device connected to the SPI bus. The read/write operations are tailored

单片机的\SPI代码，主要用于C8051F020的SPI配置-SCM \ SPI code, mainly for the C8051F020 SPI configuration

c8051f020 spi 读写 flash(c8051f020 spi flash)