Intel 8XC251SQ User Manual
8XC251SA, SB, SP, SQ USER’S MANUAL
A-12
Table A-18. State Times to Access the Port SFRs
Instruction
Case 0
Execution Times
Additional State Times
Binary
Source
Case 1
Case 2
Case 3
Case 4
ADD A,dir8
1
1
1
2
3
4
ADD Rm,dir8
3
2
1
2
3
4
ADDC A,dir8
1
1
1
2
3
4
ANL A,dir8
1
1
1
2
3
4
ANL CY,bit
3
2
1
2
3
4
ANL CY,bit51
1
1
1
2
3
4
ANL CY,/bit
3
2
1
2
3
4
ANL CY,/bit51
1
1
1
2
3
4
ANL dir8,#data
3
3
2
4
6
8
ANL dir8,A
2
2
2
4
6
8
ANL Rm,dir8
3
2
1
2
3
4
CLR bit
4
3
2
4
6
8
CLR bit51
2
2
2
4
6
8
CMP Rm,dir8
3
2
1
2
3
4
CPL bit
4
3
2
4
6
8
CPL bit51
2
2
2
4
6
8
DEC dir8
2
2
2
4
6
8
INC dir8
2
2
2
4
6
8
MOV A,dir8
1
1
1
2
3
4
MOV bit,CY
4
3
2
4
6
8
MOV bit51,CY
2
2
2
4
6
8
MOV CY,bit
3
2
1
2
3
4
MOV CY,bit51
1
1
1
2
3
4
MOV dir8,#data
3
3
1
2
3
4
MOV dir8,A
2
2
1
2
3
4
MOV dir8,Rm
4
3
1
2
3
4
MOV dir8,Rn
2
3
1
2
3
4
MOV Rm,dir8
3
2
1
2
3
4
MOV Rn,dir8
1
2
1
2
3
4
ORL A,dir8
1
1
1
2
3
4
ORL CY,bit
3
2
1
2
3
4
ORL CY,bit51
1
1
1
2
3
4
ORL CY,/bit
3
2
1
2
3
4