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Old 22 August 2014, 21:02   #14
Mathesar
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Join Date: Aug 2014
Location: Netherlands
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Quote:
Originally Posted by alexh View Post
Looking forward to it.


Where can I read about the 16MHz SPI change?

Is it this ?
Yes, this is it. I must note that even on 4MHz the new PIC is quite fast. You can select either 4MHz or 16MHz using the OSD menu. for 4MHz no modifications are necessary.

The difference between the old PIC and the new PIC is much greater than the difference between 4MHz and 16MHz. In fact; booting, loading files, etc is barely faster on 16MHz.

The bottleneck in the old PIC for handling HDF's was fileseek, not the raw transfer speed. Because the new PIC has more RAM I could implement indexed fileseeking which speeds up HDF access tremendously, just like the ARM version.

Last edited by Mathesar; 22 August 2014 at 21:11.
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