Discussion: Atmega fusebit doctor (HVPP)

[MIRDAS]

Good day. HEX file I tested the mega8-16, ATtiny 4313 and revived only mega8-16. ATtiny unresponsive. Still dead. Thank you very much for trying to help.

[M0HGU]

Originally Posted by Vadzz

Firmware version 2.07 and PCB with added pulldown resistor for +5V line
"After adding a 100ohm resistor, circuit is more stable, this fixes a problem when some of chips worked in non-HV mode and we can’t fix the RSTDISBL fusebit."

Hi,

I seem to not be able to download the update - I get a 1 pixel gif image only :-(

Any help appreciated

73
Nick
M0HGU

[Vadzz]

Hi.
Firmware version 2.06:
"Fixed Atmega324P signature recognition
Added proper timings for Attiny15 on PB.3
Fixed data bug in hvsp „chip erase” command
Added proper additional data for Attiny15 „chip erase” command"

And Fuse-bits begining from version 2.04: H:0xE1 L:0xD1 (internal 1 MHz, EESAVE)
https://drive.google.com/open?id=1lj...4zYuwBDUJSbJf_