IA186EB/IA188EB
Data Sheet
8-Bit/16-Bit Microcontrollers
July 10, 2011
8.
Instruction Execution Times
Table 21 provides IA186EB and IA188EB execution times, mnemonic instruction, and
additional information on execution, if required. The execution times apply to all versions of the
parts.
Table 21. Instruction Set Timing
Clock Cycles
Instruction
IA186EB
IA188EB
Comments
AAA
AAD
AAM
AAS
3
6
40
3
3
6
40
3
–
–
–
–
ADC Immediate to accumulator
1
1
–
–
ADC Immediate to
register/memory
3
13
ADC Register/memory with
register to either
1/16
1/24
register/memory
ADD Immediate to accumulator
1
1
–
ADD Immediate to
1/19
1/32
register/memory
register/memory
ADD Register/memory with
register either
1/20
1/28
AND Immediate to accumulator
1
1
–
AND Immediate to
register/memory
AND Register/memory and
register to either
BOUND
1/24
1/33
register/memory
1/12
1/15
Interrupt not taken/Interrupt taken
20/40
24/64
CBW
CLC
1
1
4
1
–
–
CLD
1
1
–
CLI
1
1
–
CMC
2
2
–
CMPS
CS
9
1
20
1
–
–
CWD
1
1
–
DAA
4
4
–
DAS
2
2
–
DEC Register
DEC Register/memory
1
1/24
1
1/32
–
register/memory
IA211080314-13
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