MC68020 Motorola, MC68020 Datasheet - Page 232
![no-image](/images/manufacturer_photos/0/4/459/motorola_sml.jpg)
MC68020
Manufacturer Part Number
MC68020
Description
(MC68020 / MC68EC020) MICROPROCESSORS USERS MANUAL
Manufacturer
Motorola
Datasheet
1.MC68020.pdf
(306 pages)
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B = Base address; 0, An, PC, Xn, An + Xn. Form does not affect timing.
I
NOTE: Xn cannot be in B and I at the same time. Scaling and size of Xn do not affect timing.
8-18
#<data >.L,([d
#<data >.([d
#<data >.([d
#<data >.W,([d
#<data >.L,([d
#<data >.W,([d
#<data >.L,([d
#<data >.W,([d
#<data >.L,([d
= Index; 0, Xn
16
16
16
32
32
32
,B],I,d
,B],I,d
32
32
32
,B],I,d
,B],I)
,B],I,d
,B],I,d
,B],I)
,B],I,d
,B],I,d
32
32
16
16
32
)
)
16
32
Address Mode
)
)
)
)
)
M68020 USER’S MANUAL
Best Case
13(1/0/0)
12(1/0/0)
13(1/0/0)
14(1/0/0)
15(1/0/0)
16(1/0/0)
17(1/0/0)
16(1/0/0)
17(1/0/0)
Cache Case
19(1/0/0)
17(1/0/0)
19(1/0/0)
19(1/0/0)
21(1/0/0)
21(1/0/0)
23(1/0/0)
21(1/0/0)
23(1/0/0)
Worst Case
23(1/3/0)
22(1/3/0)
24(1/3/0)
22(1/3/0)
24(1/3/0)
24(1/3/0)
26(1/3/0)
24(1/3/0)
29(1/4/0)
MOTOROLA
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