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MC68LC040RC25A Datasheet, PDF (13/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual | |||
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Freescale Semiconductor, Inc.
TABLE OF CONTENTS (Continued)
Paragraph
Number
Title
Page
Number
B.4
B.5
B.5.1
B.5.2
B.6
B.7
B.7.1
B.7.2
B.7.3
B.7.4
B.7.5
B.7.6
B.7.7
Special Modes Of Operation .................................................................B-8
Exception Processing............................................................................B-10
Unimplemented Floating-Point Instructions and Exceptions ............. B-10
MC68EC040 Stack Frames ...............................................................B-11
Software Considerations .......................................................................B-12
MC68EC040 Electrical Characteristics ................................................. B-12
Maximum Ratings ..............................................................................B-12
Thermal Characteristics .....................................................................B-12
DC Electrical Specifications ...............................................................B-13
Power Dissipation ..............................................................................B-13
Clock AC Timing Specifications .........................................................B-14
Output AC Timing Specifications ....................................................... B-15
Input AC Timing Specifications..........................................................B-16
C.1
C.1.1
C.1.2
C.1.3
C.2
C.2.1
C.2.2
C.2.3
C.2.4
C.3
C.4
C.5
C.6
C.6.1
C.6.1.1
C.6.1.2
C.6.1.3
C.6.1.4
C.6.1.5
C.6.2
C.6.3
C.6.4
C.6.5
Appendix C
MC68040V and MC68EC040V
Additional Signals..................................................................................C-1
Low Frequency Operation (LFO) .......................................................C-2
Loss of Clock (LOC) ..........................................................................C-2
System Clock Disable (SCD)............................................................. C-2
Low-Power Stop Mode ..........................................................................C-3
Bus Arbitration and Snooping ............................................................C-5
Low Frequency Operation ................................................................. C-5
Changing BCLK Frequency ...............................................................C-5
LPSTOP Instruction Summary ..........................................................C-6
Clocking During Normal Operation .......................................................C-7
Reset Operation ....................................................................................C-7
Power Cycling .......................................................................................C-9
MC68040V and MC68EC040V JTAG (Preliminary) .............................. C-10
Instruction Shift Register ...................................................................C-11
EXTEST .........................................................................................C-12
HIGHZ ............................................................................................C-12
SAMPLE/PRELOAD ......................................................................C-12
CLAMP ................................ ........................................................... C-12
BYPASS ................................ ......................................................... C-13
Boundary Scan Register.................................................................... C-13
Restrictions ........................................................................................C-16
Disabling The IEEE Standard 1149.1A Operation............................. C-16
MC68040V and MC68EC040V JTAG Electrical Characteristics ....... C-17
MOTOROLA
M68040 USERâS MANUAL
xv
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