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AM3352: I2C 波形异常

Part Number: AM3352

最近测量AM3352 I2C信号波形,发现SCL在第9个时钟时会有一个小台阶,如下图黄色线。

请问这个是I2C clock stretch吗?AM3352会识别为正常的 还是异常波形?因为其台阶的幅度约为0.8V,到VIL的Max限值了。

另外SDA上那个短脉冲也看着有点怪异

谢谢~