Integrated circuit with embedded emulator and emulation system for use with such an integrated circuit

摘要

A data processor (20) is provided with an embedded emulator which can be initiated by a signal on a control pin (EA) or by a single byte emulation instruction embedded within a user's programme which the user wishes to debug. The emulator is software driven and uses reserved emulation registers (EMUCON,EMU1,EMU2). <IMAGE>