DS80C320-MCG Datasheet, PDF (76/175 Pages) Dallas Semiconductor – High-Speed Microcontroller User Guide

High-Speed Microcontroller User’s Guide
INSTRUCTION TIMING COMPARISON Table 5-1
High–Speed Microcontroller is abbreviated as HSM.
HSM
HSM
8051 8051
HSM vs. 8051
HEX CLOCK TIME CLOCK TIME SPEED
INSTRUCTION
CODE CYCLES @ 25 MHz CYCLES @ 25 MHz ADVANTAGE
ADD A, Rn
28..2F 4
160 ns
12
480 ns
3
ADD A, direct
25
8
320 ns
12
480 ns
1.5
ADD A, @Ri
26..27 4
160 ns
12
480 ns
3
ADD A, #data
24
8
320 ns
12
480 ns
1.5
ADDC A, Rn
38..3F 4
160 ns
12
480 ns
3
ADDC A, direct
35
8
320 ns
12
480 ns
1.5
ADDC A, @Ri
36..37 4
160 ns
12
480 ns
3
ADDC A, #data
34
8
320 ns
12
480 ns
1.5
SUBB A, Rn
98..9F 4
160 ns
12
480 ns
3
SUBB A, direct
95
8
320 ns 12
480 ns 1.5
SUBB A, @Ri
96..97 4
160 ns
12
480 ns
3
SUBB A, #data
94
8
320 ns
12
480 ns
1.5
INC A
04
4
160 ns
12
480 ns
3
INC Rn
08..0F 4
160 ns
12
480 ns
3
INC direct
05
8
320 ns
12
480 ns
1.5
INC @Ri
06..07 4
160 ns
12
480 ns
3
INC DPTR
A3
12
480 ns
24
960 ns
2
DEC A
14
4
160 ns
12
480 ns
3
DEC Rn
18..1F 4
160 ns
12
480 ns
3
DEC direct
15
8
320 ns
12
480 ns
1.5
DEC @Ri
16..17 4
160 ns
12
480 ns
3
MUL AB
A4
20
800 ns
48
1.92 us 2.4
DIV AB
84
20
800 ns
48
1.92 us 2.4
DA A
D4
4
160 ns
12
480 ns
3
ANL A, Rn
58..5F 4
160 ns
12
480 ns
3
ANL A, direct
55
8
320 ns
12
480 ns
1.5
ANL A, @Ri
56..57 4
160 ns
12
480 ns
3
ANL A, #data
54
8
320 ns
12
480 ns
1.5
ANL direct, A
52
8
320 ns
12
480 ns
1.5
ANL direct, #data
53
12
480 ns
24
960 ns
2
ORL A, Rn
48..4F 4
160 ns
12
480 ns
3
ORL A, direct
45
8
320 ns
12
480 ns
1.5
ORL A, @Ri
46..47 4
160 ns
12
480 ns
3
ORL A, #data
44
8
320 ns
12
480 ns
1.5
ORL direct, A
42
8
320 ns
12
480 ns
1.5
ORL direct, #data
43
12
480 ns
24
960 ns
2
XRL A, Rn
68..6F 4
160 ns
12
480 ns
3
XRL A, direct
65
8
320 ns
12
480 ns
1.5
XRL A, @Ri
66..67 4
160 ns
12
480 ns
3
XRL A, #data
64
8
320 ns
12
480 ns
1.5
XRL direct, A
62
8
320 ns
12
480 ns
1.5
XRL direct, #data
63
12
480 ns
24
960 ns
2
CLR A
E4
4
160 ns
12
480 ns
3
CPL A
F4
4
160 ns
12
480 ns
3
RL A
23
4
160 ns
12
480 ns
3
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