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Re: [avr-chat] tiny45 flash writing problem

From: Joerg Wunsch
Subject: Re: [avr-chat] tiny45 flash writing problem
Date: Tue, 26 Aug 2008 23:08:42 +0200 (MET DST)

=?windows-1251?Q?=C4=E8=EC=E0_=CF=EE=E3=EE=F0=E5=EB=EE=E2?=   <address@hidden> 

> I am using AVR910 programmer and I want to download firmware to
> ATiny45 chip.  I have managed to write to the eeprom memory, but not
> to flash memory.

> What is problem?

Single-byte updates to the flash ROM have only been supported by
really old AVRs.  All modern AVRs uses paged writes for flash ROM, but
AVRDUDE's terminal mode can only handle single-byte updates (by now).

So in effect, you have to use the -U option in order to write anything
to flash.

cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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