The JTAG Blue Cable is an affordable JTAG download cable which can be used as an In Circuit Emulator for the Blackfin. To find out where to purchase it, see the buy_stuff page.
In case it might help somebody else, here are the connections used to connect the Rena Electronics JTAGBLUE-200 to the standard JTAG interface that every EZKit/STAMP/etc… uses.
|Other||Cable||STAMP JTAG||pin||pin||STAMP JTAG||Cable||Other|
|Ground 1)||Pull up||1||2||Emulation Output|
|VCC||Vcc (3.3V)||5||6||JTAG Mode Select||TMS|
|Ground||9||10||JTAG Reset||3.3V via 500ohm resistor|
|Ground||11||12||JTAG Serial Data In||TDI|
|Ground||13||14||JTAG Serial Data Out||TDO|
The Columns labeled “Other” were in addition to connecting the cable. These must be made before the JTAG cable will work.
JTAGBlue is known to work with gdbproxy, as a wiggler.