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TAS2505-Q1: TAS2505 I2C NACK

Part Number: TAS2505-Q1
Other Parts Discussed in Thread: TAS2505

Hello, 

We encounter an odd issue for TAS2505 of I2C NACK.

When MCU sends Read / Write request to TAS2505(I2C addr 0x30), master

side just gets NACK or no response.

We checked power supply for 1.8V 5V and 3.3V both OK, and RST has been pulled

high.

Attached picture is I2C read / write signal diagram.

Any idea about that?

Thanks a lot for any information.

BRs,

Wei Zuo