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6678,i2c eeprom调试问题



在6678evm上跑的i2c eeprom测试程序,结果正常

我自己做的6678板子,I2C部分的设计和6678EVM板完全相同,跑同样的测试程序显示测试失败

有谁知道这是什么原因吗?

多谢了~