DS90UB953-Q1: I2C Speed Impact in Aon Mode

David Shumate

Part Number: DS90UB953-Q1

Hi Team,

In the following configuration:

ECU = 962 non-synchronous mode (Mode 0)

Camera = 953 non-synchronous mode internal AON clock (Mode 3)

10Mbps back-channel

Will reducing the back-channel datarate from 25Mbps (syncronous) to 10Mbps (Aon nonsync) impact the I2C rate that can be used?

0 Hamzeh Jaradat over 3 years ago

Hello David,

No that has no Impact on I2C rate.

0 Rutuja Kate over 3 years ago in reply to Hamzeh Jaradat

Hey Hamzeh,

Correcting the datarates mentioned in the query. We are reducing the back-channel datarate from 50Mbps to 10MBps.

Still no impact on I2C rate?

+1 Hamzeh Jaradat over 3 years ago in reply to Rutuja Kate

Yes, this is correct.

0 Rutuja Kate over 3 years ago in reply to Hamzeh Jaradat

I had one more query.

We are using Serializer DS90UB935-Q1.

Will the above changes affect the Front channel data rate?

0 David Shumate over 3 years ago in reply to Rutuja Kate

Hi Rutuja,

When running in Aon mode the max CSI-2 bandwidth will still be be 2.528Gbps

Best,

David

0 Hamzeh Jaradat over 3 years ago in reply to David Shumate

Thanks David!

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