MC68020 Motorola, MC68020 Datasheet - Page 234

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MC68020

Manufacturer Part Number
MC68020
Description
(MC68020 / MC68EC020) MICROPROCESSORS USERS MANUAL
Manufacturer
Motorola
Datasheet

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8.2.6 MOVE Instruction
The MOVE instruction table indicates the number of clock periods needed for the
processor to fetch, calculate, and perform the MOVE or MOVEA with the specified source
and destination effective addresses, including both levels of indirection on memory indirect
addressing modes. No additional tables are needed to calculate the total effective
execution time for the MOVE or MOVEA instruction. The total number of clock cycles is
outside the parentheses; the number of read, prefetch, and write cycles is given inside the
parentheses as (r/p/w). These cycles are included in the total clock cycle number.
BEST CASE
8-20
Rn
#<data >.B,W
#<data >.L
(An)
(An)+
–(An)
(d
(xxx).W
(xxx).L
(d
(d
(B)
(d
(d
([B],I)
([B],I,d
([B],I,d
([d
([d
([d
([d
([d
([d
Source Address Mode
16
8
16
16
32
16
16
16
32
32
32
,An,Xn) or (d
,An) or (d
,An,Xn) or (d
,B)
,B)
,B],I)
,B],I,d
,B],d
,B],I)
,B],I,d
,B],I,d
16
32
)
)
32
16
16
32
)
)
)
)
16
8
,PC)
,PC,Xn)
16
,PC,Xn)
10(1/0/0)
11(2/0/0)
11(2/0/0)
11(2/0/0)
13(2/0/0)
13(2/0/0)
15(2/0/0)
17(2/0/0)
17(2/0/0)
0(0/0/0)
0(0/0/0)
0(0/0/0)
3(1/0/0)
4(1/0/0)
3(1/0/0)
3(1/0/0)
3(1/0/0)
3(1/0/0)
4(1/0/0)
4(1/0/0)
4(1/0/0)
6(1/0/0)
9(2/0/0)
An
10(1/0/0) 13(1/0/1) 13(1/0/1) 13(1/0/1)
11(2/0/0) 14(2/0/1) 14(2/0/1) 14(2/0/1)
11(2/0/0) 14(2/0/1) 14(2/0/1) 14(2/0/1)
11(2/0/0) 14(2/0/1) 14(2/0/1) 14(2/0/1)
13(2/0/0) 16(2/0/1) 16(2/0/1) 16(2/0/1)
13(2/0/0) 16(2/0/1) 16(2/0/1) 16(2/0/1)
15(2/0/0) 18(2/0/1) 18(2/0/1) 18(2/0/1)
17(2/0/0) 20(2/0/1) 20(2/0/1) 20(2/0/1)
17(2/0/0) 20(2/0/1) 20(2/0/1) 20(2/0/1)
0(0/0/0)
0(0/0/0)
0(0/0/0)
3(1/0/0)
4(1/0/0)
3(1/0/0)
3(1/0/0)
3(1/0/0)
3(1/0/0)
4(1/0/0)
4(1/0/0)
4(1/0/0)
6(1/0/0)
9(2/0/0)
Dn
M68020 USER’S MANUAL
12(2/0/1) 12(2/0/1) 12(2/0/1)
3(0/0/1)
3(0/0/1)
3(0/0/1)
6(1/0/1)
7(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
7(1/0/1)
7(1/0/1)
7(1/0/1)
9(1/0/1)
(An)
4(0/0/1)
4(0/0/1)
4(0/0/1)
6(1/0/1)
7(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
7(1/0/1)
7(1/0/1)
7(1/0/1)
9(1/0/1)
(An)+
Destination
3(0/0/1)
3(0/0/1)
3(0/0/1)
6(1/0/1)
7(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
7(1/0/1)
7(1/0/1)
7(1/0/1)
9(1/0/1)
–(An)
(d
13(1/0/1)
12(2/0/1)
14(2/0/1)
14(2/0/1)
14(2/0/1)
16(2/0/1)
16(2/0/1)
18(2/0/1)
20(2/0/1)
20(2/0/1)
3(0/0/1)
3(0/0/1)
3(0/0/1)
6(1/0/1)
7(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
7(1/0/1)
7(1/0/1)
7(1/0/1)
9(1/0/1)
16
,An)
(xxx).W
13(1/0/1) 15(1/0/1)
12(2/0/1) 14(2/0/1)
14(2/0/1) 16(2/0/1)
14(2/0/1) 16(2/0/1)
14(2/0/1) 16(2/0/1)
16(2/0/1) 18(2/0/1)
16(2/0/1) 18(2/0/1)
18(2/0/1) 20(2/0/1)
20(2/0/1) 22(2/0/1)
20(2/0/1) 22(2/0/1)
3(0/0/1)
3(0/0/1)
3(0/0/1)
6(1/0/1)
7(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
6(1/0/1)
7(1/0/1)
7(1/0/1)
7(1/0/1)
9(1/0/1)
MOTOROLA
11(1/0/1)
(xxx).L
5(0/0/1)
5(0/0/1)
5(0/0/1)
8(1/0/1)
9(1/0/1)
8(1/0/1)
8(1/0/1)
8(1/0/1)
8(1/0/1)
9(1/0/1)
9(1/0/1)
9(1/0/1)

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