lock/fuse bits ?

Hello Alexander.

Fri Sep 05 2008 16:26, Alexander Konosevich wrote to All:

AK> ëÁËÉÍÉ ÍÅÔÏÄÉËÁÍÉ Ñ ÍÏÇÕ ÐÏÌÕÞÉÔØ ÁËÔÕÁÌØÎÏÅ ÓÏÓÔÏÑÎÉÅ subj ÄÌÑ AK> ATMega8/16/etc "ÉÚÎÕÔÒÉ" (ÉÚ ÐÒÏÇÒÁÍÍÙ × ÐÒÏÛÉ×ËÅ) ?

It is possible to read both the Fuse and Lock bits from software. To read the Lock bits, load the Z-pointer with $0001 and set the BLBSET and SPMEN bits in SPMCR. When an LPM instruction is executed within three CPU cycles after the BLBSET and SPMEN bits are set in SPMCR, the value of the Lock bits will be loaded in the destination register. The BLBSET and SPMEN bits will auto-clear upon completion of reading the Lock bits or if no LPM instruction is executed within three CPU cycles or no SPM instruction is executed within four CPU cycles É Ô.Ä.

Dimmy.

Hello Alexander.

Sat Sep 06 2008 14:39, Alexander Konosevich wrote to me:

AK>>> ëÁËÉÍÉ ÍÅÔÏÄÉËÁÍÉ Ñ ÍÏÇÕ ÐÏÌÕÞÉÔØ ÁËÔÕÁÌØÎÏÅ ÓÏÓÔÏÑÎÉÅ subj ÄÌÑ AK>>> ATMega8/16/etc "ÉÚÎÕÔÒÉ" (ÉÚ ÐÒÏÇÒÁÍÍÙ × ÐÒÏÛÉ×ËÅ) ? DT>> óÍ. ÄÁÔÁÛÉÔ, Reading the Fuse and Lock Bits from Software (surprise! DT>> ;)

AK> ÷ÁÈ, ÛÐÅÛÉÁÌ ÓÅÎËÓÿ ! ö&}

HÅ ÚÁ ÞÔÏ. :)

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Dimmy.

06 Sep 08 14:39, Alexander Konosevich -> Dimmy Timchenko:

AK>>> ëÁËÉÍÉ ÍÅÔÏÄÉËÁÍÉ Ñ ÍÏÇÕ ÐÏÌÕÞÉÔØ ÁËÔÕÁÌØÎÏÅ ÓÏÓÔÏÑÎÉÅ subj ÄÌÑ AK>>> ATMega8/16/etc "ÉÚÎÕÔÒÉ" (ÉÚ ÐÒÏÇÒÁÍÍÙ × ÐÒÏÛÉ×ËÅ) ? DT>> óÍ. ÄÁÔÁÛÉÔ, Reading the Fuse and Lock Bits from Software AK> ðÒÏÓÔÏ ÈÏÞÅÔÓÑ ÐÏÆÉËÓÉÔØ ÐÒÏÛÉ×ËÕ ÔÁË, ÞÔÏÂÙ ÏÎÁ ÓÁÍÁ ÓÅÂÑ ÈÅÒÉÌÁ × AK> ÔÏÍ ÓÌÕÞÁÅ, ÅÓÌÉ "ÐÒÉ ÐÒÏÉÚ×ÏÄÓÔ×Å" ÏÔ×ÅÔÓÔ×ÅÎÎÙÊ ÐÒÏÛÉ×ÁÌØÝÉË AK> "ÚÁÂÙÌ" ÐÏÓÔÁ×ÉÔØ ÂÉÔÙ ÚÁÝÉÔÙ ... ö$}}}

Hello Alexey Vissarionov!

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