MC68030 Datasheet, PDF (461/602 Pages) Motorola, Inc – ENHANCED 32-BIT MICROPROCESSOR

Instruction Execution Timing
All timing data assumes two-clock reads and writes.
Address Mode
Head
Tail
SINGLE EFFECTIVE ADDRESS INSTRUCTION FORMAT
% Dn
% An
(An)
(An)+
–(An)
(d₁₆,An) or (d₁₆,PC)
(xxx).W
(xxx).L
#〈data〉.B
#〈data〉.W
#〈data〉.L
–
–
–
–
1
1
0
1
2
2
2
2
2
2
1
0
2
0
2
0
4
0
BRIEF FORMAT EXTENSION WORD
( d₈,An,Xn) or ( d₈,PC,Xn)
4
2
I-Cache Case No-Cache Case
0(0/0/0)
0(0/0/0)
3(1/0/0)
3(1/0/0)
4(1/0/0)
4(1/0/0)
4(1/0/0)
4(1/0/0)
2(0/0/0)
2(0/0/0)
4(0/0/0)
0(0/0/0)
0(0/0/0)
3(1/0/0)
3(1/0/0)
4(1/0/0)
4(1/1/0)
4(1/1/0)
5(1/1/0)
2(0/1/0)
2(0/1/0)
4(0/1/0)
6(1/0/0)
6(1/1/0)
11-26
MC68030 USER’S MANUAL
MOTOROLA