IA186EB/IA188EB
Data Sheet
8-Bit/16-Bit Microcontrollers
July 10, 2011
Table 21. Instruction Set Timing (Continued)
Clock Cycles
Instruction
DIV Memory-Byte
IA186EB
IA188EB
46
Comments
46
49
39
39
46
49
39
39
–
–
–
–
–
–
–
DIV Memory-Word
DIV Register-Byte
DIV Register-Word
IDIV Memory-Byte
IDIV Memory-Word
IDIV Register-Byte
IDIV Register-Word
51
39
39
46
51
39
39
–
IMUL Immediate (signed)
IMUL Memory-Byte
5/24
4
5/33
20
register/memory
–
IMUL Memory-Word
IMUL Register-Byte
13
5
28
5
–
–
IMUL Register-Word
5
5
–
INC Register
1
1
–
INS
8
16
–
INS (repeated n times)
INT Type specified
INT Type 3
INTO
IRET
JA
JAE
JB
JBE
JCXZ
JE
JG
JGE
JL
JLE
8+8n
33
33
33
30
3/5
3/5
3/5
3/5
3/4
3/5
3/5
3/5
3/5
3/5
3
16+16n
41
–
–
–
–
41
48
30
–
3/5
3/5
3/5
3/5
3/4
3/5
3/5
3/5
3/5
3/5
3
Jump not taken/Jump taken
Jump not taken/Jump taken
Jump not taken/Jump taken
JMP Direct intersegment
–
JMP Direct within segment
3
3
–
JMP Short/long
JNA
JNAE
JNB
JNBE
JNE
JNG
JNGE
JNL
JNLE
JNO
4
4
–
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
3/5
Jump not taken/Jump taken
JNP
IA211080314-13
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