On Sunday 17 May 2009, Strontium wrote: > > Pic32 has 2 debug interfaces. 4 Wire JTAG. And a pin count compressed > version of Jtag which is serialised over 2 wires (ICSP). The protocol > is the same as JTAG, the electrical interface is the only thing that > differs. 2 wire mode should be able to be driven using a FT2232 type > device, in a similar fashion to I2C (Tie TDI and TDO together).
Is that 2-wire mode the same one that the JTAG folk have been working with, or is it specific to Microchip? Do you know? Nexus, for example, has both 2-wire and 4-wire/JTAG flavors. Eventually one might expect OpenOCD to support that standard 2-wire interface. ISTR that one configuration can drive it directly from standard JTAG connectors. _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
