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看了十几遍技术文档,看了很多遍官方I2C的EEPROM的读写例程,一直不明白ARDY(ACCESS READY)中断的作用。
我翻译一下:寄存器访问准备好条件。I2C模块寄存器准备好被访问,因为前一次编程的地址、数据和指令已经被用过了。
这里的“I2C模块寄存器”指的什么?是DSP的寄存器,还是EEPROM的寄存器?