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