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AD2435W Recommended for New Designs
The Automotive Audio Bus (A2B®) provides a multichannel, I2S/TDM link over distances of up to 15 m between nodes. It embeds bidirectional synchronous pulse...
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AD2435W on Analog.com

i2c and SPI can be enabled at the same time

wuxiangzhi

on Mar 10, 2025

Category: Datasheet/Specs

Product Number: AD2435W

Hello Support Team Guys,

I'd like to know if we can use the I2C and SPI of AD2435 at the same time. Meanwhile, i can read the chipid via I2C. But i am not able to read the chipid via SPI. shall i disconnected the I2C connection? by looking at the datasheet, i think I2C and SPI can use the same time. if my saying is not right, please correct me.

Thanks & Best regards,

xiangzhi wu

0 arunk

on Apr 4, 2025 7:01 AM
Yes, you can use it. Please refer to the respective session under SPI operation in TRM and check which mode you are trying to use. See if your SPI pins are working in the same fashion described. if not please let me know.
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0 wuxiangzhi
on Apr 7, 2025 9:07 PM in reply to arunk
Hello Arunk,

Thannks for your feedback. Because SPI driver is not ready, after modifying the driver, now it works fine.

Thanks & Best regards,

xiangzhi wu
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i2c and SPI can be enabled at the same time