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Re: [avr-gcc-list] address@hidden ... what is it for ?!
From: |
Tobias Frost |
Subject: |
Re: [avr-gcc-list] address@hidden ... what is it for ?! |
Date: |
Tue, 06 Jan 2009 23:00:11 +0100 |
On Tue, 2009-01-06 at 13:40 -0600, David Kelly wrote:
> Notice the starting address of eeprom is 1 byte above the physical
> address of start of eeprom because there was some rumor stating some
> models of AVR would accidentally trash the first byte under some
> circumstances. Perhaps when the rest of the device was wiped for a code
> reload or something? Anyway, it was cheaper to do without the first byte
> than to worry about it.
>
Older AVRs had the problem, if a the voltage dropped under the limit
during a eeprom write, adr 0 was corrupted as well as the one written.
But current AVRs -- at least with the brown out detector enabled -- does
not show this bug anymore...
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- [avr-gcc-list] address@hidden ... what is it for ?!, Vincent Trouilliez, 2009/01/05
- Re: [avr-gcc-list] address@hidden ... what is it for ?!, Sascha Silbe, 2009/01/05
- Re: [avr-gcc-list] address@hidden ... what is it for ?!, Vincent Trouilliez, 2009/01/06
- Re: [avr-gcc-list] address@hidden ... what is it for ?!, Sascha Silbe, 2009/01/06
- Re: [avr-gcc-list] address@hidden ... what is it for ?!, David Kelly, 2009/01/06
- Re: [avr-gcc-list] address@hidden ... what is it for ?!, Vincent Trouilliez, 2009/01/06
- Slightly OT: AVR EEPROM Location 0 (was RE: [avr-gcc-list] address@hidden ... what is it for ?!), Dave Hansen, 2009/01/06
- Re: [avr-gcc-list] address@hidden ... what is it for ?!,
Tobias Frost <=
- Re: [avr-gcc-list] address@hidden ... what is it for ?!, Bob Paddock, 2009/01/09
- RE: [avr-gcc-list] address@hidden ... what is it for ?!, Weddington, Eric, 2009/01/09