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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/798357/tca9509-question-about-i2c-master-on-b-side-of-tca9509
您好！
我将 TCA9509用作3.3V 至1.8V I2C 转换缓冲器。 I2C 主器件处于3.3V 电平、并连接到 TCA9509的 B 侧。 由于 TCA9509数据表中的所有示例都显示1.8V (或 A 侧)上的主器件、因此我想确认将器件的 B 侧用作主器件不存在潜在问题。
谢谢、
Mitch
