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Author Topic: "Arduino Mega" photos up on lusorobotica.com  (Read 6428 times)
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i'm a member at this website, it's portuguese, but has plently of brasilian users aswell, it seems like arduino mega is real, it has it's own IDE but i havent been able to find anything related to buying this, has anyone seen anything related to buying this item?
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it has it's own IDE
No, it is integrated into the standard arduino IDE as of version 0015.

-j

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i just meant an IDE came at the same time as the mega. :smiley
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Hello,
Does someone knows a way to connect a JTAG interface to the Mega ? Even if some addtional wires are needed I would be interested by any solution.
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Hello,
Does someone knows a way to connect a JTAG interface to the Mega ? Even if some addtional wires are needed I would be interested by any solution.

It is easy.  Follow the following pinout:

TDI = Analog 7
TDO = Analog 6
TMS = Analog 5
TCK = Analog 4
RST = Reset

JTAG port pinout is:

1 TCK
2 GND
3 TDO
4 VTr (target voltage)
5 TMS
6 RST
7 Vsupply
8 NC
9 TDI
10 GND

You need to activate JTAG fuse, and upload your own firmware.  You also need a JTAG debugger that works with ATmega1280 (I guess the only one out there is JTAG ICE MKII from Atmel).
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