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Boot Loader Lock Bits
In the latest as well as older versions of the ATmega 8 data sheet under Boot Loader Lock Bits Quote:The user can select: • To protect the entire Flash from a software update by...
Friday, 24 February 2006 - 14:27
AVR Studio with STK500
I have AVR Studio Version 4.11 Build 403 Service Pack 3 which I wish to use with an ATmega8 on my STK500. When I start AVR Studio it issues the message "Loaded plugin STK500",...
Thursday, 6 October 2005 - 19:34
High Voltage Seral Programming (HVSP)
In looking over the AVRISP help document I found the following Quote:RESET Used as General IO port. If the RESET pin is used as a general purpose IO, In-System Programming is not...
Friday, 13 May 2005 - 20:07
BootLoad 1 Reloadable Loader
Since the CPU is halted during reprogramming of the boot loader area a loader could theoretically reload itself :!: However there is lots of potential for getting into trouble. My...
Monday, 14 March 2005 - 19:10
Boot Loader Forum
Is there any interest in a forum or sub forum devoted to boot loaders? know I have several ideas I would like to kick around, how about you? I have never tried setting up a poll...
Tuesday, 1 March 2005 - 16:34
Using RESET as IO port
Just want to verify if I am reading correctly On the ATmega8, by programming a fuse the RESET pin can be used as PC6 Since the serial and parallel programing modes us the RESET,...
Monday, 28 February 2005 - 18:39
Reprogram with RESET used as IO pin
While working on a design using an ATmega8, discovered we need one more I/O pin. The external RESET pin can become PC6 by programming the RSTDISBL fuse. Both the serial and...
Friday, 25 February 2005 - 18:38
Status Bits
Is there a convient way to display status bits with AVRStudio v4 when debugging? I can watch the status register in I/O memory and decode myself, but the original version had a...
Wednesday, 11 August 2004 - 22:20
Device Type Code
I am looking for the Device Type Code for an ATmega8 and can't seem to find it in the documentation. Is there a master list some where of Device Type codes and signature bytes for...
Saturday, 15 May 2004 - 16:40
USART and MPCM
My ATmega8 data sheet (Dec 2002), on page 147, says: Do not use Read-Modify-Write instructions (SBI and CBI) to set or clear the MPCM bit. The MPCM bit shares the same I/O...
Wednesday, 12 February 2003 - 17:22
Self Programming
The newer members of the AVR family have the capability to reprogram themselves in circuit. I will be exploring this in the near future as I have an application where it would be...
Friday, 7 February 2003 - 16:36