Atmel AVR AT90S8515-4 Spezifikationen PDF herunterladen (Seite 15)

AT90S8515

0841G–09/01

A 16-bit data address is contained in the 16 LSBs of a 2-word instruction. Rd/Rr specify

the destination or source register.

Data Indirect with

Displacement

Figure 13. Data Indirect with Displacement

Operand address is the result of the Y- or Z-register contents added to the address con-

tained in six bits of the instruction word.

Data Indirect Figure 14. Data Indirect Addressing

Operand address is the contents of the X-, Y-, or the Z-register.

Data Indirect with Pre-

decrement

Figure 15. Data Indirect Addressing with Pre-decrement

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 111 112

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