6 emac instruction execution times, 6 emac instruction execution times -31 – Motorola ColdFire MCF5281 User Manual
Page 77

ColdFire Core
Freescale Semiconductor
2-31
2.3.5.6
EMAC Instruction Execution Times
Table 2-17. EMAC Instruction Execution Times
Opcode
<EA>
Effective Address
Rn
(An)
(An)+
-(An)
(d16,An)
(d8,An,
Xn*SF)
xxx.wl
#xxx
MAC.L
Ry, Rx, Raccx
1(0/0)
—
—
—
—
—
—
—
MAC.L
Ry, Rx, <ea>, Rw, Raccx
—
(1/0)
(1/0)
(1/0)
—
—
—
MAC.W
Ry, Rx, Raccx
1(0/0)
—
—
—
—
—
—
—
MAC.W
Ry, Rx, <ea>, Rw, Raccx
—
(1/0)
(1/0)
(1/0)
(1/0)
1
1
Effective address of (d16,PC) not supported
—
—
—
MOVE.L
<ea>y, Raccx
1(0/0)
—
—
—
—
—
—
1(0/0)
MOVE.L
Raccy,Raccx
1(0/0)
—
—
—
—
—
—
—
MOVE.L
<ea>y, MACSR
5(0/0)
—
—
—
—
—
—
5(0/0)
MOVE.L
<ea>y, Rmask
4(0/0)
—
—
—
—
—
—
4(0/0)
MOVE.L
<ea>y,Raccext01
1(0/0)
—
—
—
—
—
—
1(0/0)
MOVE.L
<ea>y,Raccext23
1(0/0)
—
—
—
—
—
—
1(0/0)
MOVE.L
Raccx,<ea>x
1(0/0)
2
2
Storing an accumulator requires one additional processor clock cycle when saturation is enabled, or fractional
rounding is performed (MACSR[7:4] equals 1---, -11-, --11)
—
—
—
—
—
—
—
MOVE.L
MACSR,<ea>x
1(0/0)
—
—
—
—
—
—
—
MOVE.L
Rmask, <ea>x
1(0/0)
—
—
—
—
—
—
—
MOVE.L
Raccext01,<ea.x
1(0/0)
—
—
—
—
—
—
—
MOVE.L
Raccext23,<ea>x
1(0/0)
—
—
—
—
—
—
—
MSAC.L
Ry, Rx, Raccx
1(0/0)
—
—
—
—
—
—
—
MSAC.W
Ry, Rx, Raccx
1(0/0)
—
—
—
—
—
—
—
MSAC.L
Ry, Rx, <ea>, Rw, Raccx
—
(1/0)
(1/0)
(1/0)
—
—
—
MSAC.W Ry, Rx, <ea>, Rw, Raccx
—
(1/0)
(1/0)
(1/0)
—
—
—
MULS.L
<ea>y, Dx
4(0/0)
(1/0)
(1/0)
(1/0)
(1/0)
—
—
—
MULS.W
<ea>y, Dx
4(0/0)
(1/0)
(1/0)
(1/0)
(1/0)
(1/0)
(1/0)
4(0/0)
MULU.L
<ea>y, Dx
4(0/0)
(1/0)
(1/0)
(1/0)
(1/0)
—
—
—
MULU.W
<ea>y, Dx
4(0/0)
(1/0)
(1/0)
(1/0)
(1/0)
(1/0)
(1/0)
4(0/0)
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3