Motorola MC68340 User Manual
11/2/95
SECTION 1: OVERVIEW
UM Rev 1
MOTOROLA
MC68340 USER'S MANUAL
iii
TABLE OF CONTENTS
Paragraph
P a g e
Number
Title
Number
Section 1
Device Overview
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
Section 2
Signal Descriptions
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
2.5
Chip Selects (
CS3
–
CS0
) ................................................................................
2-5
2.6
Interrupt Request Level (
IRQ7
,
IRQ6
,
IRQ5
,
IRQ3
) ...................................
2-6
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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