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I/o direct, Data direct, Data indirect with displacement – Rainbow Electronics AT90LS2343 User Manual

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AT90S/LS2323/2343

1004D–09/01

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 2-word instruction. Rd/Rr specify
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.