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Flylogic decaps the propeller — Parallax Forums

Flylogic decaps the propeller

darcodarco Posts: 86
edited 2010-08-09 19:10 in Propeller 1
http://www.flylogic.net/blog/?p=148

Includes high-resolution die shots.

Comments

  • Nick McClickNick McClick Posts: 1,003
    edited 2010-08-09 09:50
    Pretty Cool - although Parallax has already released die photos. Top 8 boxes are cog ram. Bottom 8 boxes are hub ram. And the middle 8 boxes are ROM. What are the 2 areas in the very middle of the die? Hub logic?
  • K2K2 Posts: 693
    edited 2010-08-09 11:56
    The advice at the bottom of the page is great, too. FLASH and a security bit would be most welcome among the commercial and industrial sectors. (No pun intended.)
  • LeonLeon Posts: 7,620
    edited 2010-08-09 11:59
    I provided some information on how they did it.
  • Dr_AculaDr_Acula Posts: 5,484
    edited 2010-08-09 17:24
    "Dissolve the plastic with red fuming nitric acid"

    Yikes!

    http://en.wikipedia.org/wiki/Red_fuming_nitric_acid

    Great little blog, by the way.
  • Cluso99Cluso99 Posts: 18,069
    edited 2010-08-09 19:10
    Nice to see that the Prop chip is getting some extra attention although of course this was not necessary as we already have a photo and description.

    I have asked if they can decode the ROM in this process and also if they could decode the OPT fuses expected in Prop II. Just checking how goood security is. Of course Chip has already released the ROM code.
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