Rainbow-electronics AT90LS4433 Instrukcja Użytkownika Pobierz pdf (Strona 13)

AT90S/LS4433

1042G–AVR–09/02

I/O Direct Figure 12. I/O Direct Addressing

Operand address is contained in six 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 spec-

ify the destination or source register.

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 con-

tained in six bits of the instruction word.

OP Rr/Rd

15 0

16 LSBs

$0000

$00DF

20 19

Data Space

$0000

$00DF

Y OR Z - REGISTER

OP an

05610

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 124 125

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Rainbow-electronics AT90LS4433 Instrukcja Użytkownika Strona 13