ATM18-DIP
(Summer Circuits 2010 article)
Published in issue 403, July/August 2010
Even though you can’t actually damage the microcontroller in the ATM18 project by the configuration of its fuse bits, setting them wrongly can however disable it. There are actually several different ways of cutting off the branch you’re sitting comfortably on. Thus it is possible to accidentally change, for example, the programmer access mode or the clock source. In both the aforementioned cases, bringing your microcontroller back to life can take some time and may even need equipment you don’t have to hand. Resistors
R1,R2 = 10kOhm
Capacitors
C1,C2 = 22pF (2.5mm)
C3,C4 = 100nF (2.5mm)
Semiconductorsd
IC1 = ATmega88-20PU, programmed
Divers :
Q1 = 16MHz quartz crystal, HC-49 case, low-profile
K5 = 6-pin SIL pinheader
K9 = 7-pin SIL pinheader
K10 = 9-pin SIL pinheader
K11 = 5-pin SIL pinheader
K12 = 8-pin SIL socket strip
28-way DIP socket, length = 7.62mm
PCB # 090896-1
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Click below to download a PDF copy of this article from Elektor magazine. Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.
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