Forum Post: AFE5809 VCAT response time by SPI configure including the SPI time and all other time?

Hi

I want to design TGC by configure VCAT register.

The SCLK max frequency is 20MHz,In my opinion,The all time is 16*50ns=800ns.So the min response time is about 1us.

Am I right?Please give me a detailed explation about VCAT response time.

Thanks!