Motorola MCF5281 用户手册
MOTOROLA
Chapter 2. ColdFire Core
2-23
Instruction Execution Timing
Table 2-11. Move Byte and Word Execution Times
Source
Destination
Rx
(Ax)
(Ax)+
-(Ax)
(d
16
,Ax) (d
8
,Ax,Xi) (xxx).wl
Dn
1(0/0)
1(0/1)
1(0/1)
1(0/1)
1(0/1)
2(0/1)
1(0/1)
An
1(0/0)
1(0/1)
1(0/1)
1(0/1)
1(0/1)
2(0/1)
1(0/1)
(An)
3(1/0)
3(1/1)
3(1/1)
3(1/1)
3(1/1)
4(1/1)
3(1/1)
(An)+
3(1/0)
3(1/1)
3(1/1)
3(1/1)
3(1/1)
4(1/1)
3(1/1)
-(An)
3(1/0)
3(1/1)
3(1/1)
3(1/1)
3(1/1)
4(1/1)
3(1/1)
(d
16
,An)
3(1/0)
3(1/1)
3(1/1)
3(1/1)
3(1/1)
—
—
(d
8
,An,Xi)
4(1/0)
4(1/1)
4(1/1)
4(1/1)
—
—
—
(xxx).w
3(1/0)
3(1/1)
3(1/1)
3(1/1)
—
—
—
(xxx).l
3(1/0)
3(1/1)
3(1/1)
3(1/1)
—
—
—
(d
16
,PC)
3(1/0)
3(1/1)
3(1/1)
3(1/1)
3(1/1)
—
—
(d
8
,PC,Xi)
4(1/0)
4(1/1)
4(1/1)
4(1/1)
—
—
—
#<xxx>
1(0/0)
3(0/1)
3(0/1)
3(0/1)
—
—
—
Table 2-12. Move Long Execution Times
Source
Destination
Rx
(Ax)
(Ax)+
-(Ax)
(d
16
,Ax)
(d
8
,Ax,Xi) (xxx).wl
Dn
1(0/0)
1(0/1)
1(0/1)
1(0/1)
1(0/1)
2(0/1)
1(0/1)
An
1(0/0)
1(0/1)
1(0/1)
1(0/1)
1(0/1)
2(0/1)
1(0/1)
(An)
2(1/0)
2(1/1)
2(1/1)
2(1/1)
2(1/1)
3(1/1)
2(1/1)
(An)+
2(1/0)
2(1/1)
2(1/1)
2(1/1)
2(1/1)
3(1/1)
2(1/1)
-(An)
2(1/0)
2(1/1)
2(1/1)
2(1/1)
2(1/1)
3(1/1)
2(1/1)
(d
16
,An)
2(1/0)
2(1/1)
2(1/1)
2(1/1)
2(1/1)
—
—
(d
8
,An,Xi)
3(1/0)
3(1/1)
3(1/1)
3(1/1)
—
—
—
(xxx).w
2(1/0)
2(1/1)
2(1/1)
2(1/1)
—
—
—
(xxx).l
2(1/0)
2(1/1)
2(1/1)
2(1/1)
—
—
—
(d
16
,PC)
2(1/0)
2(1/1)
2(1/1)
2(1/1)
2(1/1)
—
—
(d
8
,PC,Xi)
3(1/0)
3(1/1)
3(1/1)
3(1/1)
—
—
—
#<xxx>
1(0/0)
2(0/1)
2(0/1)
2(0/1)
—
—
—