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< h2 class = "section" > 3.2 Terminal Mode Examples< / h2 >
< p > Display part parameters, modify eeprom cells, perform a chip erase:
< / p >
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< pre class = "smallexample" > % avrdude -p m128 -c stk500 -t
avrdude: AVR device initialized and ready to accept instructions
avrdude: Device signature = 0x1e9702
avrdude: current erase-rewrite cycle count is 52 (if being tracked)
avrdude> part
> > > part
AVR Part : ATMEGA128
Chip Erase delay : 9000 us
PAGEL : PD7
BS2 : PA0
RESET disposition : dedicated
RETRY pulse : SCK
serial program mode : yes
parallel program mode : yes
Memory Detail :
Page Polled
Memory Type Paged Size Size #Pages MinW MaxW ReadBack
----------- ------ ------ ---- ------ ----- ----- ---------
eeprom no 4096 8 0 9000 9000 0xff 0xff
flash yes 131072 256 512 4500 9000 0xff 0x00
lfuse no 1 0 0 0 0 0x00 0x00
hfuse no 1 0 0 0 0 0x00 0x00
efuse no 1 0 0 0 0 0x00 0x00
lock no 1 0 0 0 0 0x00 0x00
calibration no 1 0 0 0 0 0x00 0x00
signature no 3 0 0 0 0 0x00 0x00
avrdude> dump eeprom 0 16
> > > dump eeprom 0 16
0000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
avrdude> write eeprom 0 1 2 3 4
> > > write eeprom 0 1 2 3 4
avrdude> dump eeprom 0 16
> > > dump eeprom 0 16
0000 01 02 03 04 ff ff ff ff ff ff ff ff ff ff ff ff |................|
avrdude> erase
> > > erase
avrdude: erasing chip
avrdude> dump eeprom 0 16
> > > dump eeprom 0 16
0000 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
avrdude>
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< p > Program the fuse bits of an ATmega128 (disable M103 compatibility,
enable high speed external crystal, enable brown-out detection, slowly
rising power). Note since we are working with fuse bits the -u (unsafe)
option is specified, which allows you to modify the fuse bits. First
display the factory defaults, then reprogram:
< / p >
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< pre class = "smallexample" > % avrdude -p m128 -u -c stk500 -t
avrdude: AVR device initialized and ready to accept instructions
avrdude: Device signature = 0x1e9702
avrdude: current erase-rewrite cycle count is 52 (if being tracked)
avrdude> d efuse
> > > d efuse
0000 fd |. |
avrdude> d hfuse
> > > d hfuse
0000 99 |. |
avrdude> d lfuse
> > > d lfuse
0000 e1 |. |
avrdude> w efuse 0 0xff
> > > w efuse 0 0xff
avrdude> w hfuse 0 0x89
> > > w hfuse 0 0x89
avrdude> w lfuse 0 0x2f
> > > w lfuse 0 0x2f
avrdude>
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