By: David Hess (davidwhess.delete@this.gmail.com), May 12, 2014 10:02 am
Room: Moderated Discussions
Rob Thorpe (rthorpe.delete@this.robertthorpeconsulting.com) on May 12, 2014 5:42 am wrote:
>
> I find it interesting that they use a DLL and a PLL to vary the clock speed. I think a better
> approach would be to have several PLLs constantly locked to different frequencies and to switch
> between them. Using an extra DLL in front of the PLL will add noise to the clock.
By using the output from one PLL, all frequency changes are kept coherent.
>
> I find it interesting that they use a DLL and a PLL to vary the clock speed. I think a better
> approach would be to have several PLLs constantly locked to different frequencies and to switch
> between them. Using an extra DLL in front of the PLL will add noise to the clock.
By using the output from one PLL, all frequency changes are kept coherent.
Topic | Posted By | Date |
---|---|---|
New article: Adaptive Clocking in AMD’s Steamroller | David Kanter | 2014/05/06 01:33 PM |
New article: Adaptive Clocking in AMD’s Steamroller | itsmydamnation | 2014/05/06 11:12 PM |
New article: Adaptive Clocking in AMD’s Steamroller | Xi Yang | 2014/05/07 12:08 AM |
Decoupling capacitors on GPUs | Gabriele Svelto | 2014/05/08 09:24 AM |
Decoupling capacitors on GPUs | Ben | 2014/08/27 11:56 PM |
New article: Adaptive Clocking in AMD’s Steamroller | Poindexter | 2014/05/10 06:06 PM |
New article: Adaptive Clocking in AMD’s Steamroller | Rob Thorpe | 2014/05/12 05:42 AM |
New article: Adaptive Clocking in AMD’s Steamroller | David Hess | 2014/05/12 10:02 AM |
New article: Adaptive Clocking in AMD’s Steamroller | Rob Thorpe | 2014/05/12 10:46 AM |
New article: Adaptive Clocking in AMD’s Steamroller | Ricardo B | 2014/05/13 03:15 AM |
New article: Adaptive Clocking in AMD’s Steamroller | Rob Thorpe | 2014/05/13 06:30 AM |
Multiple PLLs wouldn't work, but DLL jitter is no problem | Robyn Henry | 2014/05/14 12:58 AM |