MOTOROLA
MC68322 USER’S MANUAL
vii
TABLE OF CONTENTS
Paragraph
Page
Number
Title
Number
Section 1
Introduction
1.1
Features ...............................................................................................1-2
1.2
Processors and Modules ......................................................................1-3
1.2.1
The EC000 Core ........................................................................1-3
1.2.2
Graphics Unit ..............................................................................1-4
1.2.3
Bus Interface Unit .......................................................................1-5
1.2.4
System Integration Module .........................................................1-5
1.2.5
DRAM Controller ........................................................................1-6
1.2.6
DMA Interface ............................................................................1-6
1.2.7
Parallel Port Interface .................................................................1-6
1.3
Internal Memory Map ...........................................................................1-6
1.4
Understanding the MC68322 ...............................................................1-8
1.4.1
Printer Languages ......................................................................1-8
1.4.2
Bitmap ........................................................................................1-9
1.4.3
Banding ....................................................................................1-10
1.4.4
Halftoning .................................................................................1-10
1.4.5
Duplex Printing .........................................................................1-11
Section 2
Signal Descriptions
2.1
Address Bus .........................................................................................2-3
2.2
Data Bus ...............................................................................................2-3
2.3
System Interface ..................................................................................2-4
2.3.1
Reset (RESET) ...........................................................................2-4
2.3.2
System Clock .............................................................................2-4
2.3.3
High Impedance Mode ...............................................................2-5
2.4
External Bus Master Interface ..............................................................2-6
2.5
DRAM Interface ....................................................................................2-7
2.6
DMA Interface ......................................................................................2-8
2.7
Printer Communication Interface ..........................................................2-8
2.8
Print Engine Video Controller Interface ................................................2-8
2.9
Parallel Port Interface ...........................................................................2-9
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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