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ARM7TDMI-S JTAG
Open Source JTAG interfacing to ATM7TDMI-S

New MessageARM7TDMI-S JTAG (modified 0 times) prpplague
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Sorry, I've got JTAG on the brain lately...unhappy with my Olimex wiggler clone, I've been trying to determine if there's enough non-NDA info floating around to interface and debug the ARM7TDMI-S core chips, such as the LPC21xx microcontrollers I've been playing with lately...


the Jflash-linux software is a great starting point for using wiggler like devices. i currently use my wiggler clone with modified jflash-linux with the sharp LH754xx series(arm7tdmi-s), LH79520(arm720t), as well as the samsung S3C44B0X. so as long as you have the bsdl file for your processor, you can modify the jflash-linux code to do what you need.

02-10-2005 15:19:09

New MessageRE:ARM7TDMI-S JTAG (modified 0 times) codeman
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here is a modified version of arm-boot i use on many arm chips ..
it will run under windows xp using giveio http://www.littlesounddj.com/awkiawki/index.cgi/GiveIO
if you dont use it under xp of 2k comment out
f=fopen("\\.\giveio","r");
if (f==NULL) {fprintf(stderr," ®Can't Find giveio ® ®");}
fclose(f);
in armtool.c

and uses wiggler type hardware . recompile with djgpp or mingw
you should be able to use it to dump code stop the cpu ect ..
http://linux-hacker.net/armstuff/arm-boot.rar

codeman

02-14-2005 11:52:16

New MessageRE:ARM7TDMI-S JTAG (modified 0 times) Mouser
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Hi Could I get a more detailed discription of what pins are what for the jtag on the juicebox? If I could get some more infermation on what software you are useing and some info on how to read back the eprom of the juicebox.
06-14-2005 18:47:13

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