Chapter 1 General Information; Introduction; Features - Motorola M68HC11EVB User Manual

Table of Contents

This manual provides general information, hardware preparation, installation instructions, monitor

program description, operating instructions, hardware description, and support information for

the M68HC11 Evaluation Board (EVB).

Downloading S-record information is contained in Appendix A. While a listing of the EVB

monitor program is stored on the diskettes supplied with the EVB (see file buf25.asm). (This file

may be viewed using any text reader capable of handling a 123K file.)

Unless otherwise specified, all address references are in

hexadecimal throughout this manual.

An asterisk (*) following the signal name denotes that the signal is

true or valid when the signal is low.

EVB features include:

• An economical means of debugging user assembled code and evaluating target systems

incorporating MC68HC11 microcomputer unit (MCU) device

• One-line assembler/disassembler

• Host computer downloading capability

• MC68HC11 MCU based debugging/evaluating circuitry

• MC68HC24 Port Replacement Unit (PRU) based MCU I/O expansion circuitry

• MC6850 Asynchronous Communications Interface Adapter (ACIA) based terminal

I/O port circuitry

• RS-232C compatible terminal/host computer I/O ports

M68HC11EVB/D

CHAPTER 1

GENERAL INFORMATION

NOTE

GENERAL INFORMATION

1-1 1

Table of Contents