Wiggler (JTAG)
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A wiggler is a parallel port interface for either JTAG or BDM debugging. Slower than a Raven, it is however a stable, easy to use device.
The wiggler is a low-cost interface used in the design, debug, and programming of microprocessor and microcontroller based embedded systems. One side of the Wiggler interfaces to the parallel port of a host (like an IBM compatible PC) and the other side connects to an OCD (On-Chip Debug) port of the target system. This port may be JTAG, E-JTAG, OnCE, COP, BDM, or any of several other types of connections.
