Freescale Semiconductor Target Interface MMDS0508 - Manual (Page 5)

1–5 MMDS0508 Target Interface
1
General Description
1.1 Introduction
The M68MMDS05/08 Motorola Modular Development System (MMDS) is a tool for
developing embedded systems based on an MC68HC05 or MC68HC08
microcontroller unit (MCU). A modular emulation system, the MMDS provides
interactive control of a microcontroller application when connected to your target
system.
The MMDS environment allows for source-level debugging and simplifies writing
and debugging code. These features significantly reduce development time.
A complete MMDS includes a station module, an emulation module (EM), and a
target cable assembly. The EM completes MMDS functionality for a particular MCU
or MCU family.
1.2 MMDS Features
MMDS features include:
• Real-time, non-intrusive, in-circuit emulation
• Real-time bus state analysis
• MC68HC11K1 system controller, for fast command transfer
• Compliance with ECC92 European electromagnetic compatibility standards
• Four complex data breakpoints, each qualified by an address, an address range,
data, or externally connected logic clips.
• 32 variables or real-time variables, plus a 32-byte block of real-time memory,
mappable anywhere within a 1-kilobyte window over the 64-kilobyte HC05/HC08
memory map.
• 64 kilobytes of emulation memory, to accommodate the largest available ROM
size of current HC05/HC08 MCUs.
Freescale Semiconductor, Inc.
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