Introduction

This engineering bulletin explains how existing users of the MC68HC811E2 could migrate to the MC68HC11F1. The last date that the MC68HC811E2 can be ordered from Motorola is June 30, 2001. However, beyond that date, parts may be available from Motorola distributors.

The MC68HC811E2 is a versatile part used in many different types of applications. This document addresses applications that use the part in expanded mode only.

Customers using single-chip mode should see Migrating from the MC68HC811E2 to the MC68HC711E9, Motorola document order number EB380/D.

Major Differences

The major differences between these two parts are:

• Package options

• Memory map (memory, registers, etc.)

• EEPROM block protect

• CONFIG register

• External glue logic requirements