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January 22, 2009
Tutorial - Adventures in Low Power Land
about 4 years ago
Im trying to program a brand new ATMEGA 328P for 3.3 volts operation with the ARDUINO BOOTLOADER using the internal RC 8 mHZ
As per the setting you give in the above tutorial with the BROWNOUT selection I get
EFUSE = FD
HFUSE = DA
LFUSE = E2
which seems to coincide with the settings you got.
However then you say to change the settings to:
New: EFUSE = 05
New: HFUSE = DA
New: LFUSE = E2
How do you do this? cause if i manually try to program EFUSE = 05 i get an error in STK500 programmer and it reverts back to
EFUSE = FD
Also, Ive use the already existing hex files that come in the ATMEGA folder under hardware and chose the “ATmegaBOOT_168_atmega328_pro_8MHz.hex”. this is because when i run the makefile that came with the ARDUINO-0022 I get errors.
The thing is i cannot communicate at all with the new chip in the arduino environment.
Im programming the chip on the STK500 environment. All i see after uploading hex is a regular led blink activity on the PB5 pin of PORTB.
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