
MC68HC08AZ32A — Rev 1.0
Technical Data
MOTOROLA
Monitor ROM (MON)
155
Technical Data — MC68HC08AZ32A
Section 11. Monitor ROM (MON)
11.1 Contents
11.2
Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
155
11.3
Features
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
155
11.4
11.4.1
11.4.2
11.4.3
11.4.4
11.4.4.1
11.4.5
11.4.6
Functional description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
156
Entering monitor mode
. . . . . . . . . . . . . . . . . . . . . . . . . .
158
Data Format
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
159
Echoing
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
160
Break Signal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
160
Commands
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
161
Baud Rate
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
163
Security
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164
11.2 Introduction
This section describes the monitor ROM (MON08). The monitor ROM
allows complete testing of the MCU through a single-wire interface with
a host computer.
11.3 Features
Features of the monitor ROM include the following:
Normal User-Mode Pin Functionality
One Pin Dedicated to Serial Communication Between Monitor
ROM and Host Computer
Standard Mark/Space Non-Return-to-Zero (NRZ) Communication
with Host Computer
Up to 28.8K Baud Communication with Host Computer
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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