Microcontroller User's Manual

x MCF5282 User’s Manual MOTOROLA
CONTENTS
Paragraph
Number
Title
Page
Number
Chapter 11
Edge Port Module (EPORT)
11.1 Introduction....................................................................................................... 11-1
11.2 Low-Power Mode Operation ............................................................................ 11-1
11.3 Interrupt/General-Purpose I/O Pin Descriptions............................................... 11-2
11.4 Memory Map and Registers.............................................................................. 11-3
11.4.1 Memory Map ................................................................................................ 11-3
11.4.2 Registers........................................................................................................ 11-3
Chapter 12
Chip Select Module
12.1 Overview........................................................................................................... 12-1
12.2 Chip Select Module Signals.............................................................................. 12-1
12.3 Chip Select Operation....................................................................................... 12-3
12.3.1 General Chip Select Operation ..................................................................... 12-3
12.4 Chip Select Registers ........................................................................................ 12-5
12.4.1 Chip Select Module Registers....................................................................... 12-6
Chapter 13
External Interface Module (EIM)
13.1 Features............................................................................................................. 13-1
13.2 Bus and Control Signals ................................................................................... 13-1
13.3 Bus Characteristics ........................................................................................... 13-2
13.4 Data Transfer Operation ................................................................................... 13-2
13.4.1 Bus Cycle Execution..................................................................................... 13-3
13.4.2 Data Transfer Cycle States ........................................................................... 13-5
13.4.3 Read Cycle.................................................................................................... 13-6
13.4.4 Write Cycle................................................................................................... 13-8
13.4.5 Fast Termination Cycles ............................................................................... 13-9
13.4.6 Back-to-Back Bus Cycles ........................................................................... 13-10
13.4.7 Burst Cycles................................................................................................ 13-10
13.5 Misaligned Operands ...................................................................................... 13-14
Chapter 14
Signal Descriptions
14.1 Overview........................................................................................................... 14-1
14.1.1 Single-Chip Mode....................................................................................... 14-17
14.1.2 External Boot Mode.................................................................................... 14-17