Rainbow-electronics AT90LS8535 Manual do Utilizador descarregar pdf (Página 13)

AT90S/LS8535

1041H–11/01

Data Direct Figure 12. Direct Data Addressing

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.

OP Rr/Rd

15 0

16 LSBs

$0000

$025F

20 19

Data Space

$0000

025F

Y OR Z - REGISTER

OP an

05610

Data Space

$0000

$025F

X, Y OR Z - REGISTER

015

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