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 |