Owner's manual

5-17
INSTRUCTION HEX CODE
UHSM CLOCK
CYCLES
UHSM TIME @
25MHz
8051 CLOCK
CYCLES
8051 TIME @
25MHz
UHSM vs. 8051
SPEED
ADVANTAGE
DEC direct 15 2 80 ns 12 480 ns 6
DEC @Ri 16..17 2 80 ns 12 480 ns 6
MUL AB A4 9 360 ns 48 960 ns 5.33
DIV AB 84 10 400 ns 48 960 ns 4.80
DA A D4 2 80 ns 12 480 ns 6
ANL A, Rn 58..5F 1 40 ns 12 480 ns 12
ANL A, direct 55 2 80 ns 12 480 ns 6
ANL A, @Ri 56..57 2 80 ns 12 480 ns 6
ANL A, #data 54 2 80 ns 12 480 ns 6
ANL direct, A 52 2 80 ns 12 480 ns 6
ANL direct, #data 53 3 120 ns 24 960 ns 8
ORL A, Rn 48..4F 1 40 ns 12 480 ns 12
ORL A, direct 45 2 80 ns 12 480 ns 6
ORL A, @Ri 46..47 2 80 ns 12 480 ns 6
ORL A, #data 44 2 80 ns 12 480 ns 6
ORL direct, A 42 2 80 ns 12 480 ns 6
ORL direct, #data 43 3 120 ns 24 960 ns 8
XRL A, Rn 68..6F 1 40 ns 12 480 ns 12
XRL A, direct 65 2 80 ns 12 480 ns 6
XRL A, @Ri 66..67 2 80 ns 12 480 ns 6
XRL A, #data 64 2 80 ns 12 480 ns 6
XRL direct, A 62 2 80 ns 12 480 ns 6
XRL direct, #data 63 3 120 ns 24 960 ns 8
CLR A E4 1 40 ns 12 480 ns 12
CPL A F4 1 40 ns 12 480 ns 12
RL A 23 1 40 ns 12 480 ns 12
RLC A 33 1 40 ns 12 480 ns 12
RR A 03 1 40 ns 12 480 ns 12
RRC A 13 1 40 ns 12 480 ns 12
SWAP A C4 1 40 ns 12 480 ns 12
MOV A, Rn E8..EF 1 40 ns 12 480 ns 12
MOV A, direct E5 2 80 ns 12 480 ns 6
MOV A, @Ri E6..E7 2 80 ns 12 480 ns 6
MOV A, #data 74 2 80 ns 12 480 ns 6
MOV Rn, A F8..FF 1 40 ns 12 480 ns 12
Table 5-1. Instruction Timing Comparison (continued)
Ultra-High-Speed Flash
Microcontroller User’s Guide
Maxim Integrated