Maxim-integrated Ultra-High-Speed Flash Microcontroller Manual de usuario descargar pdf (Pagina 66)

5-19

INSTRUCTION HEX CODE

UHSM CLOCK

CYCLES

UHSM TIME @

25MHz

8051 CLOCK

CYCLES

8051 TIME @

25MHz

UHSM vs. 8051

SPEED

ADVANTAGE

ACALL addr 11 Hex code

Hex codes = 11, 31, 51, 71,

91, B1, D1, or F1

Byte 1 2 80 ns 24 960 ns 12

LCALL addr 16 12 3 120 ns 24 960 ns 8

RET 22 3 120 ns 24 960 ns 8

RETI 32 3 120 ns 24 960 ns 8

AJMP add r 11 Hex code

Hex code = 01, 21, 41, 61,

81, A1, C1, or E1

Byte 1 2 80 ns 24 960 ns 12

LJMP addr 16 02 3 120 ns 24 960 ns 8

JMP @A+DPTR 73 3 120 ns 24 960 ns 8

SJMP rel 80 3 120 ns 24 960 ns 8

JZ rel 60 3 120 ns 24 960 ns 8

JNZ rel 70 3 120 ns 24 960 ns 8

JC rel 40 3 120 ns 24 960 ns 8

JNC rel 50 3 120 ns 24 960 ns 8

JB bit, rel 20 4 160 ns 24 960 ns 6

JNB bit, rel 30 4 160 ns 24 960 ns 6

JBC bit, rel 10 4 160 ns 24 960 ns 6

CJNE A, direct, rel B5 5 200 ns 24 960 ns 4.8

CJNE A, #data, rel B4 4 160 ns 24 960 ns 6

CJNE Rn, #data, rel B8..BF 4 160 ns 24 960 ns 6

CJNE @Ri, #data, rel B6..B7 5 200 ns 24 960 ns 4.8

DJNZ Rn, rel D8..DF 4 160 ns 24 960 ns 6

DJNZ direct, rel D5 5 200 ns 24 960 ns 4.8

NOP 00 1 40 ns 12 480 ns 12

Table 5-1. Instruction Timing Comparison (continued)

Ultra-High-Speed Flash

Microcontroller User’s Guide

Maxim Integrated

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 168 169

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