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 Subject :Can this be used for JTAG?.. 2014-08-14- 14:30:58 
w8iss
Member
Joined: 2012-01-17- 07:29:35
Posts: 42
Location: Lincoln Park, MI - EN82jg

Wondering this can be used as a jtag on the wrt54g routers?

http://www.adafruit.com/products/954

I have a few laying around that I use for a gps interface and as for console access to my Raspberry Pi.

What I am worrying about is voltage levels between this and the router

James W8ISS
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 Subject :Re:Can this be used for JTAG?.. 2014-08-14- 14:59:19 
KF5JIM
Future Astronaut
Joined: 2013-07-17- 12:13:36
Posts: 250
Location: Nederland

JTAG is something that you do not want to necessarily mess around with unless you know what you are doing. JTAG and USB-to-TTL use completely different protocols! Don't try to go cheap. Instead, get a device that is designed to do what it is supposed to do.

Take a look hear for some ideas:
http://www.diygadget.com/tiao-usb-multi-protocol-adapter-jtag-spi-i2c-serial.html
http://www.diygadget.com/jtag-cables/universal-jtag-adapter-for-routers-modem-fta-and-more.html
http://www.tiaowiki.com/w/Debrick_Wireless_Router_Using_TUMPA_and_zJTAG
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