M68HC05P3EM/D
3-5
MOTOROLA
CHAPTER 1
INTRODUCTION
This user's manual explains connection, configuration, and operation information specific to
the HC05P3EM Emulator Module (P3EM). The P3EM makes possible emulation and
debugging of target systems based on these microcontroller units (MCUs):
MC68HC05P3
MC68HC705P3
The P3EM can be part of two development systems. This chapter describes those systems and
explains the layout of the P3EM.
1.1 DEVELOPMENT SYSTEMS
Your P3EM can be part of two Motorola development tools: the HC05 Motorola Modular
Development System (MMDS05) or the M68HC05EVS Evaluation System (HC05EVS).
1.1.1 Motorola Modular Development System (MMDS05)
The MMDS05 is an emulator system that provides a bus state analyzer and real-time memory
windows. The unit's integrated design environment includes an editor, an assembler, user
interface, and source-level debug. A complete MMDS05 consists of:
• a station module — the metal MMDS05 enclosure, containing the control board and
the internal power supply. Most system cables connect to the MMDS05 station module.
(The cable to an optional target system, however, runs through an aperture in the station
module enclosure to connect directly to the emulator module.)
• an emulator module (EM) — such as the P3EM: a printed circuit board that enables
system functionality for a specific set of MCUs. The EM fits into the station module
through a sliding panel in the enclosure top. The EM has a connector for the target
cable.
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
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