Maxim Integrated High-Speed Microcontroller User Manual
Page 74

High-Speed Microcontroller User’s Guide
Rev: 062210
74 of 176
INSTRUCTION
HEX
CODE
HSM
CLOCK
CYCLES
HSM TIME
at 25MHz
8051
CLOCK
CYCLES
8051 TIME
at 25MHz
HSM vs. 8051
SPEED
ADVANTAGE
RETI
32
16
640ns
24
960ns
1.5
AJMP addr 11
Hex code
Hex code = 01, 21, 41,
61, 81, A1, C1, or E1
Byte 1
12
480ns
24
960ns
2
LJMP addr 16
2
16
480ns
24
960ns
1.5
JMP @A+DPTR
73
12
480ns
24
960ns
2
SJMP rel
80
12
480ns
24
960ns
2
JZ rel
60
12
480ns
24
960ns
2
JNZ rel
70
12
480ns
24
960ns
2
JC rel
40
12
480ns
24
960ns
2
JNC rel
50
12
480ns
24
960ns
2
JB bit, rel
20
16
640ns
24
960ns
1.5
JNB bit, rel
30
16
640ns
24
960ns
1.5
JBC bit, rel
10
16
640ns
24
960ns
1.5
CJNE A, direct, rel
B5
16
640ns
24
960ns
1.5
CJNE A, #data, rel
B4
16
640ns
24
960ns
1.5
CJNE Rn, #data, rel
B8..BF
16
640ns
24
960ns
1.5
CJNE @Ri, #data, rel
B6..B7
16
640ns
24
960ns
1.5
DJNZ Rn, rel
D8..DF
12
480ns
24
960ns
2
DJNZ direct, rel
D5
16
640ns
24
960ns
1.5
NOP
00
4
160ns
12
480ns
3