• State Not Answered
  • Replies 4 replies
  • Subscribers 68 subscribers
  • Views 285 views
  • Users 0 members are here
Options
Related

ADAU1467 SPI clock Selfboot

tomoto
  •  Analog Employees 
on Jan 18, 2021

Hi

ADAU1467 works as SPI master when selfboot is enabled, but how to configure SPI clock frequency for the SPI master?

I tried to look through 1467 datasheet and past EZ threads, but couldn't find it.

Regards,

Tomoto

Parents Reply Children
  • 0
    •  Analog Employees 
    on Jan 19, 2021 1:23 AM in reply to Ken.M

    Thanks Ken-san,

    I just want to understand how the selfboot function(state machine) works.

    As far as I checked with 1467 EVB and SigmaStudio 4.6, Actual SPI clock monitored by a scope

    - During Selfboot write      : around 10M regardless of "Write Speed" setting, 

    - Selfboot enabled(read)   : around 10k if "Write Speed" was below 1,000k

    - Selfboot enabled(read)   : around 500k if "Write Speed" was 10,000k 

    Could you clarify this? 

    Regards,

    Tomoto