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TABLE OF CONTENTS
Paragraph
Number
Title
Page
Number
1.1
1.1.1
1.1.2
1.2
1.2.1
1.2.2
1.3
1.3.1
1.3.1.1
1.3.1.2
1.3.1.3
1.3.1.4
1.3.1.5
1.3.1.6
1.3.1.7
1.3.2
1.3.3
1.3.4
1.4
1.5
1.6
1.7
Section 1
Device Overview
M68300 Family .................................................................................................. 1-2
Organization .................................................................................................. 1-3
Advantages .................................................................................................... 1-3
Central Processor Unit ..................................................................................... 1 -3
CPU32 ............................................................................................................ 1-4
Background Debug Mode ........................................................................... 1-4
On-Chip Peripherals ........................................................................................ 1-5
System Integration Module ......................................................................... 1-5
External Bus Interface .............................................................................. 1-5
System Configuration and Protection ................................................... 1 -6
Clock Synthesizer ..................................................................................... 1-6
Chip Select and Wait State Generation ............................................... 1-6
Interrupt Handling ..................................................................................... 1-6
Discrete 1/0 Pins ........................................................................................ 1-6
IEEE 1149.1 Test Access Port ................................................................ 1-7
Direct Memory Access Module ................................................................... 1-7
Serial Module ................................................................................................ 1-7
Timer Modules ............................................................................................... 1-8
Power Consumption Management... ............................................................. 1-8
Physical .............................................................................................................. 1-9
Compact Disc-Interactive ................................................................................ 1 -9
More Information ............................................................................................... 1-1 0
Section 2
Signal Descriptions
2.1
Signal Index ....................................................................................................... 2-2
2.2
Address Bus ....................................................................................................... 2-4
2.2.1
Address Bus (A23-AO) ................................................................................ 2-4
2.2.2
Address Bus (A31-A24) .............................................................................. 2-4
2.3
Data Bus (015-00) .......................................................................................... 2-4
2.4
Function Codes (FC3-FCO) ............................................................................ 2-5
2.5
Chip Selects (CS3-CSO) ................................................................................. 2-5
2.6
Interrupt Request Level (IRQ7, IRQ6, IRQ5, IRQ3) ...................................... 2-6
MOTOROLA
MC68340 USER'S MANUAL
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