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Output a 1mhz 'clock' signal via BS2 — Parallax Forums

Output a 1mhz 'clock' signal via BS2

Spaceman SpiffSpaceman Spiff Posts: 2
edited 2008-08-23 09:41 in BASIC Stamp
I messed up a few of my Atmel AVR chip fuse settings and it was recommended that I can fix if I can feed it a 1mhz clock signal.

Is it possible to use my BS2 to output a 1mhz pulse?

Comments

  • PJAllenPJAllen Banned Posts: 5,065
    edited 2008-08-23 01:06
    Why don't you just use a 1 MHz oscillator?
    ·
  • Spaceman SpiffSpaceman Spiff Posts: 2
    edited 2008-08-23 01:10
    WHy buy a hammer if a brick works?
  • FranklinFranklin Posts: 4,747
    edited 2008-08-23 01:32
    Because a hammer works better at removing nails.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    - Stephen
  • Beau SchwabeBeau Schwabe Posts: 6,568
    edited 2008-08-23 01:39
    Franklin,

    "Because a hammer works better at removing nails." - lol

    And there's not as much surface area with a hammer in case you miss... smilewinkgrin.gif


    Spaceman Spiff,

    a 74HC14 with a 1MHz crystal may be·a simpler solution...· If it doesn't need to be 'exactly' 1MHz you could fudge with a 555 or even a 74HC14 for that matter.

    ▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔
    Beau Schwabe

    IC Layout Engineer
    Parallax, Inc.
  • GICU812GICU812 Posts: 289
    edited 2008-08-23 09:41
    Well, if the OP is anything like me, he has no patience (or spelling skills, but its 5am, lol) and wants to fix this with whatever he can find at home. Sounds to me like he just needs to feed the chip the signal long enough to get it fixed\reprogrammed, and not again.

    That being said, I dont know, but I didnt think the stamp could do that fast, if you have a 555 timer, which any electronics scrap box should, it can be done.
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