| Electronics > Projects, Designs, and Technical Stuff |
| Tips on reverse engineering pinout of undocumented chips |
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| madmaxbryan:
I'm an American citizen, so the government already considers me a terrorist. Add the fact that im prior service military, and that pushes me right to the top of their list. :-// If nobody hears from me after Monday, send help! |
| mikeselectricstuff:
Without access to a working system it will be very hard to figure much out, especially as sensors like this will probably have one or more funky analogue supply voltages. It is actually illegal for manufacturers to give out any technical info on ITAR controlled items. |
| madmaxbryan:
--- Quote from: mikeselectricstuff on September 07, 2014, 05:29:09 pm ---It is actually illegal for manufacturers to give out any technical info on ITAR controlled items. --- End quote --- Being just a sensor and not a complete working system, some company has to build the electronics to run it. How does that company go about getting the technical documents if its illegal? |
| mikeselectricstuff:
--- Quote from: madmaxbryan on September 07, 2014, 08:40:01 pm --- --- Quote from: mikeselectricstuff on September 07, 2014, 05:29:09 pm ---It is actually illegal for manufacturers to give out any technical info on ITAR controlled items. --- End quote --- Being just a sensor and not a complete working system, some company has to build the electronics to run it. How does that company go about getting the technical documents if its illegal? --- End quote --- I don't know how it works in practice - in that situation there would be NDAs and probably also whatever registration/regulation that governs companies making ITAR-regulated stuff. The restriction is on making info publically available |
| madmaxbryan:
Well it only took a month to convince the government i was a citizen and not a terrorist, but i managed to get the datasheet and pinouts for the microbolometer. Now that i have the documentation i have run into a new problem. The sensor is 640X480, 30hz frame rate. Which means it needs a 12.5MHz clock and around 15.734kHz line clock. The 12.5MHz is beyond the capabilities of my signal gen. Does anyone have a recommendation for producing all these signals? I've never worked with CPLD's or FPGA's, but would it be easiest to have one output all three clocks or is there a better solution short of buying a new sig gen? |
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