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BQ24780S: i2c地址错误

Part Number: BQ24780S

在对BQ24780进行I2C总线编程时,发现器材资料写的器件的地址是0x12,而按照datasheet上7.5.1.1给的数据格式,把0x12进行左移1位,再加上读写位,器件不能正常ACK,后来发现不把0X12左移,能正常ACK,且可以读写寄存器成功,也就是说器件资料给的地址实际上是已经左移了,这样容易给人误解。所以器件的实际地址应该是0x09才对。