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Register direct, two registers rd and rr, I/o direct – Rainbow Electronics ATmega103L User Manual

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ATmega603/103

12

Register Direct, Two Registers Rd and Rr

Figure 9. Direct Register Addressing, Two Registers

Operands are contained in register r (Rr) and d (Rd). The result is stored in register d (Rd).

I/O Direct

Figure 10. I/O Direct Addressing

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

REGISTER FILE

0

31

d

r

OP

d

r

0

4

5

9

15

I/O MEMORY

0

63

OP

P

0

5

15

n