Rainbow-electronics ATmega163L Manuel d'utilisateur télécharger pdf (Page 12)

ATmega163(L)

I/O Direct

Figure 12. I/O Direct Addressing

Operand address is contained in 6 bits of the instruction word. n is the destination or source register address.

Data Direct

Figure 13. Direct Data Addressing

A 16-bit Data Address is contained in the 16 LSBs of a two-word instruction. Rd/Rr specify the destination or source

Data Indirect With Displacement

Figure 14. Data Indirect with Displacement

Operand address is the result of the Y or Z-register contents added to the address contained in 6 bits of the instruction

word.

OP Rr/Rd

15 0

16 LSBs

$0000

$045F

20 19

Data Space

$0000

$045F

Y OR Z - REGISTER

OP an

05610

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 155 156

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Rainbow-electronics ATmega163L Manuel d'utilisateur Page 12