Motorola ColdFire MCF5281 User Manual page 11

Paragraph
Number
14.2 MCF5282 External Signals............................................................................. 14-18
14.2.1 External Interface Module (EIM) Signals .................................................. 14-18
14.2.2 SDRAM Controller Signals ........................................................................ 14-21
14.2.3 Clock and Reset Signals ............................................................................. 14-22
14.2.4 Chip Configuration Signals ........................................................................ 14-22
14.2.5 External Interrupt Signals ........................................................................... 14-23
14.2.6 Ethernet Module Signals............................................................................. 14-23
14.2.7 Queued Serial Peripheral Interface (QSPI) Signals.................................... 14-25
14.2.8 FlexCAN Signals ........................................................................................ 14-26
2
14.2.9 I C Signals .................................................................................................. 14-26
14.2.10 UART Module Signals ............................................................................... 14-26
14.2.11 General Purpose Timer Signals .................................................................. 14-27
14.2.12 DMA Timer Signals.................................................................................... 14-28
14.2.13 Analog-to-Digital Converter Signals .......................................................... 14-29
14.2.14 Debug Support Signals ............................................................................... 14-30
14.2.15 Test Signals................................................................................................. 14-32
14.2.16 Power and Reference Signals ..................................................................... 14-33
15.1 Overview........................................................................................................... 15-1
15.1.1 Definitions .................................................................................................... 15-1
15.1.2 Block Diagram and Major Components ....................................................... 15-2
15.2 SDRAM Controller Operation.......................................................................... 15-3
15.2.1 DRAM Controller Signals ............................................................................ 15-4
15.2.2 Memory Map for SDRAMC Registers......................................................... 15-4
15.2.3 General Synchronous Operation Guidelines................................................. 15-9
15.2.4 Initialization Sequence................................................................................ 15-17
15.3 SDRAM Example ........................................................................................... 15-19
15.3.1 SDRAM Interface Configuration................................................................ 15-20
15.3.2 DCR Initialization....................................................................................... 15-20
15.3.3 DACR Initialization.................................................................................... 15-21
15.3.4 DMR Initialization...................................................................................... 15-22
15.3.5 Mode Register Initialization ....................................................................... 15-23
15.3.6 Initialization Code....................................................................................... 15-24
16.1 Overview........................................................................................................... 16-1
16.1.1 DMA Module Features ................................................................................. 16-2
MOTOROLA
CONTENTS
Title
Chapter 15
Synchronous DRAM Controller Module
Chapter 16
DMA Controller Module
Contents
Page
Number
xi