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nxt eeprom life cycle
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nxt eeprom life cycle
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Moderator   Joined: Tue Sep 14, 2010 9:19 pm Posts: 496 
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 Re: nxt eeprom life cycleThe NXT's main processor is a Atmel AT91SAM7S256. It's rated at 10,000 write cycles: http://www.keil.com/dd/docs/datashts/at ... 256_ds.pdf
_________________ sudo rm -rf / |
| Fri Dec 30, 2011 12:58 pm |
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Moderator  Joined: Wed Mar 05, 2008 8:14 am Posts: 3163 Location: Rotterdam, The Netherlands
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Re: nxt eeprom life cycle I have bricks that I've had for years and never had issues with. I flash and reprogram my bricks a LOT. Some friends of mine that write firmwares for the NXT probably do this even more. I have only ever heard of a flash failure once and that was someone who deliberately went ahead and did file IO non-stop. This eventually, after a LOOONG time caused failure.
Keep in mind that if the brick fails because of this, you can easily get LEGO to replace if for you. I wouldn't worry about it, if I were you. - Xander _________________ | Professional Conduit of Reasonableness | (Title bestowed upon on the 8th day of November, 2013) | My Blog: I'd Rather Be Building Robots | ROBOTC 3rd Party Driver Suite: [Project Page] |
| Fri Dec 30, 2011 4:17 pm |
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Moderator Joined: Wed Mar 05, 2008 8:14 am Posts: 3163 Location: Rotterdam, The Netherlands
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Re: nxt eeprom life cycle I'm afraid you can't just load it into RAM and not Flash. I believe nxtOSEK does support this, though, but nxtOSEK is a lot more complicated than ROBOTC. It also means that programs can only be very small (64K) since that is the amount of RAM on the ARM chip.
Regards, Xander _________________ | Professional Conduit of Reasonableness | (Title bestowed upon on the 8th day of November, 2013) | My Blog: I'd Rather Be Building Robots | ROBOTC 3rd Party Driver Suite: [Project Page] |
| Sat Dec 31, 2011 6:13 am |
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