I have just connected a ULINK2 to my development board and i get communications error.
The device is a ADuC7026 (ARM7TDMI core)... A few Questions??
The uVision3 options for the debugger gives 2. ARM Debugger & ARM7 Debugger Which Should I use??
If I select the ARM7 one i get an error message, "Missing jarm.dll" If I selet the ARM it gets further but there is JTAG Communication Failure against the TDO line
Second question...should the TDO line on the chip goto the TDO on the ULINK or should there be crossover with TDI->TDO and TDO->TDI
When I use the Altera usb adapter and its software ( the altera device sits first on the chain) it returns an ID for the Altera chip but for the ADuC7026 chip it just lists it as UNKNOWN DEVICE.
The idcode returned for the ADuC7026 using the Altera adapter is 0x3F0F0F0F which seems ok from what i have read.
Data verify for the Altera chip is ok so that pass through is ok for the micro. So clearly the Target is working OK but the ULINK2 is not, latches look ok as well.
Has anybody got any waveforms for the jtag signals so I can check them.