Table of Contents
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11/2/95
Paragraph
Number
1.1
M68300 Family.................................................................................................. 1-2
1.1.1
Organization .................................................................................................. 1-3
1.1.2
Advantages.................................................................................................... 1-3
1.2
Central Processor Unit..................................................................................... 1-3
1.2.1
CPU32 ............................................................................................................ 1-4
1.2.2
Background Debug Mode........................................................................... 1-4
1.3
On-Chip Peripherals ........................................................................................ 1-5
1.3.1
System Integration Module......................................................................... 1-5
1.3.1.1
External Bus Interface.............................................................................. 1-5
1.3.1.2
System Configuration and Protection................................................... 1-6
1.3.1.3
Clock Synthesizer..................................................................................... 1-6
1.3.1.4
Chip Select and Wait State Generation ............................................... 1-6
1.3.1.5
Interrupt Handling..................................................................................... 1-6
1.3.1.6
Discrete I/O Pins........................................................................................ 1-6
1.3.1.7
IEEE 1149.1 Test Access Port................................................................ 1-7
1.3.2
Direct Memory Access Module................................................................... 1-7
1.3.3
Serial Module................................................................................................ 1-7
1.3.4
Timer Modules............................................................................................... 1-8
1.4
Power Consumption Management................................................................ 1-8
1.5
Physical .............................................................................................................. 1-9
1.6
Compact Disc-Interactive ................................................................................ 1-9
1.7
More Information............................................................................................... 1-10
2.1
Signal Index....................................................................................................... 2-2
2.2
Address Bus....................................................................................................... 2-4
2.2.1
Address Bus (A23-A0) ................................................................................ 2-4
2.2.2
Address Bus (A31-A24).............................................................................. 2-4
2.3
Data Bus (D15-D0).......................................................................................... 2-4
2.4
Function Codes (FC3-FC0)............................................................................ 2-5
Chip Selects ( CS3 - CS0 ) ................................................................................ 2-5
2.5
2.6
Interrupt Request Level ( IRQ7 , IRQ6 , IRQ5 , IRQ3 ) ................................... 2-6
MOTOROLA
Freescale Semiconductor, Inc.
SECTION 1: OVERVIEW
TABLE OF CONTENTS
Title
Section 1
Section 2
MC68340 USER'S MANUAL
For More Information On This Product,
Go to: www.freescale.com
UM Rev 1
P a g e
Number
iii
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