Lexra LX5280

Info

 * Processor Identification: 0000c601 (Processor ID: 0xc6; Rev: 0x01)
 * MIPS I programming model (except unaligned loads, stores)
 * MIPS R3000 exception handling model.
 * 6-stage pipeline.
 * Supports EJTAG Draft 2.0 for debugging.

More info can be found here