Instruction Execution Timing
MCF548x Reference Manual, Rev. 3
Freescale Semiconductor 3-31

3.7.3 Two-Operand Instruction Execution Timing

Table 3-15 shows standard timings for double operand instructions.

Table 3-15. Two-Operand Instruction Execution Times

Opcode <ea>
Effective Address
Rn (An) (An)+ –(An) (d16,An) (d8,An,Xi*SF) (xxx).wl #<xxx>
add.l <ea>,Rx 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
add.l Dy,<ea> 1(1/1) 1(1/1) 1(1/1) 1(1/1) 2(1/1) 1(1/1)
addi.l #imm,Dx 1(0/0) — — —
addq.l #imm,<ea> 1(0/0) 1(1/1) 1(1/1) 1(1/1) 1(1/1) 2(1/1) 1(1/1)
addx.l Dy,Dx 1(0/0) — — —
and.l <ea>,Rx 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
and.l Dy,<ea> 1(1/1) 1(1/1) 1(1/1) 1(1/1) 2(1/1) 1(1/1)
andi.l #imm,Dx 1(0/0) — — —
asl.l <ea>,Dx 1(0/0) — — — 1(0/0)
asr.l <ea>,Dx 1(0/0) — — — 1(0/0)
bchg Dy,<ea> 2(0/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
bchg #imm,<ea> 2(0/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1)
bclr Dy,<ea> 2(0/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
bclr #imm,<ea> 2(0/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1)
bset Dy,<ea> 2(0/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1) 3(1/1) 2(1/1)
bset #imm,<ea> 2(0/0) 2(1/1) 2(1/1) 2(1/1) 2(1/1)
btst Dy,<ea> 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0)
btst #imm,<ea> 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0)
cmp.b <ea>,Rx 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
cmp.w <ea>,Rx 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
cmp.l <ea>,Rx 1(0/0) 1(1/0) 1(1/0) 1(1/0) 1(1/0) 2(1/0) 1(1/0) 1(0/0)
cmpi.b #imm,Dx 1(0/0) — — —
cmpi.w #imm,Dx 1(0/0) — — —
cmpi.l #imm,Dx 1(0/0) — — —
divs.w <ea>,Dx 20(0/0) 20(1/0) 20(1/0) 20(1/0) 20(1/0) 21(1/0) 20(1/0) 20(0/0)
divu.w <ea>,Dx 20(0/0) 20(1/0) 20(1/0) 20(1/0) 20(1/0) 21(1/0) 20(1/0) 20(0/0)
divs.l <ea>,Dx 35(0/0) 35(1/0) 35(1/0) 35(1/0) 35(1/0)
divu.l <ea>,Dx 35(0/0) 35(1/0) 35(1/0) 35(1/0) 35(1/0)
eor.l Dy,<ea> 1(0/0) 1(1/1) 1(1/1) 1(1/1) 1(1/1) 2(1/1) 1(1/1)
eori.l #imm,Dx 1(0/0) — — —
lea <ea>,Ax 1(0/0) ��� 1(0/0) 2(0/0) 1(0/0)
lsl.l <ea>,Dx 1(0/0) — — — 1(0/0)