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[avrdude-dev] [bug #36901] flashing Atmega32U4 EEPROM produces garbage o
From: |
Joerg Wunsch |
Subject: |
[avrdude-dev] [bug #36901] flashing Atmega32U4 EEPROM produces garbage on chip |
Date: |
Wed, 30 Jan 2013 17:21:51 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20100101 Firefox/17.0 |
Follow-up Comment #5, bug #36901 (project avrdude):
Hi Folks,
I finally managed to get a working configuration. The EEPROM gets
the correct data. I tested it with an Arduino Leonardo and an
AVR ISP MK2 with ISP programming.
+v+
--- avrdude.conf 2013-01-30 16:23:59.493158196 +0100
+++ avrdude.conf-old 2012-07-20 13:53:00.000000000 +0200
@@ -10430,7 +10430,7 @@
memory "eeprom"
paged = no; /* leave this "no" */
- page_size = 4; /* for parallel programming */
+ page_size = 8; /* for parallel programming */
size = 1024;
min_write_delay = 9000;
max_write_delay = 9000;
@@ -10457,8 +10457,8 @@
" x x x x x x x x";
mode = 0x41;
- delay = 20;
- blocksize = 4;
+ delay = 10;
+ blocksize = 8;
readsize = 256;
;
-v-
The numbers are taken from the XML partdescription files as found in
AVR Studio 6
Matthias
PS: Since I do not have a savannah account I could not update
the bug entry. It can be closed. Thank you.
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