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M68040 USER’S MANUAL
MOTOROLA
TABLE OF CONTENTS (Continued)
Paragraph
Page
Number
Title
Number
Section 12
Ordering Information and Mechanical Data
12.1
Ordering Information ............................................................................. 12-1
12.2
Pin Assignments ................................................................................... 12-1
12.2.1
MC68040 Pin Grid Array ...................................................................12-2
12.2.2
MC68LC040 Pin Grid Array............................................................... 12-3
12.2.3
MC68EC040 Pin Grid Array .............................................................. 12-4
12.2.4
MC68040V and MC68EC040V Pin Grid Array .................................. 12-5
12.2.5
MC68LC040 Quad Flat Pack.............................................................12-6
12.2.6
MC68EC040 Quad Flat Pack ............................................................12-6
12.2.7
MC68040V and MC68EC040V Quad Flat Pack................................ 12-7
12.3
Mechanical Data ................................................................................... 12-9
Appendix A
MC68LC040
A.1
MC68LC040 Differences....................................................................... A-5
A.2
Interrupt Priority Level (IPL2–IPL0) ....................................................... A-5
A.3
JTAG Scan (JS0) .................................................................................. A-5
A.4
Data Latch And Multiplexed Bus Modes ............................................... A-5
A.5
Floating-Point Unit (FPU) ......................................................................A-5
A.5.1
Unimplemented Floating-Point Instructions and Exceptions ............. A-6
A.5.2
MC68LC040 Stack Frames ...............................................................A-7
A.6
MC68LC040 Electrical Characteristics ................................................. A-7
A.6.1
Maximum Ratings .............................................................................. A-8
A.6.2
Thermal Characteristics .................................................................... A-8
A.6.3
DC Electrical Specifications .............................................................. A-8
A.6.4
Power Dissipation.............................................................................. A-9
A.6.5
Clock AC Timing Specifications ........................................................ A-9
A.6.6
Output AC Timing Specifications ....................................................... A-11
A.6.7
Input AC Timing Specifications..........................................................A-12
Appendix B
MC68EC040
B.1
MC68EC040 Differences ......................................................................B-4
B.2
JTAG Scan (JS1–JS0) .......................................................................... B-5
B.3
Access Control Units............................................................................. B-5
B.3.1
Access Control Registers .................................................................. B-5
B.3.2
Address Comparison ......................................................................... B-7
B.3.3
Effect of RSTI on the ACU................................................................. B-8
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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