[En-Nut-Discussion] Connecting an OLIMEX ARM-USB-OCD and an Ethernut 3.0e (JTAG)

Douglas Pearless Douglas.Pearless at pearless.co.nz
Fri Feb 16 03:02:02 CET 2007


Hi team,

I have purchased an OLIMEX ARM-USB-OCD and an Ethernut 3.0e , but I am  
unsure how to wire the connect them together.
The OLIMEX website  
(http://www.olimex.com/dev/images/arm-jtag-layout.gif) shows a pinout  
that is different from the Ethernut 3.0 hardware manual.
I assume that this will work??

OLIMEX 	USE	ETHERNUT USE
1	VREF	7	VCC3
2	VTARGET	4	VCC3
3	NTRST
4	GND	2	GND
5	TDI	9	TDI
6	GND
7	TMS	5	TMS
8	GND
9	TCK	1	TCK
10	GND
11	RTCK
12	GND
13	TDO	3	TDO
14	GND
15	RST
16	GND
17	DBGRQ
18	GND
19	DBGACK
20	GND

But where do I connect the NMR (pin 6 on the J7 ethernut JTAG connector) to??
Cheers Douglas







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