Rainbow-electronics ATmega103L Manuale Utente Scaricare il pdf (Pagina 13)

ATmega603/103

Data Direct

Figure 11. 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 12. 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

$FFFF

20 19

Data Space

$0000

$FFFF

Y OR Z - REGISTER

OP an

05610

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 125 126

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Rainbow-electronics ATmega103L Manuale Utente Pagina 13