atmega103 ATMEL Corporation, atmega103 Datasheet - Page 13

• Manufacturer Part Number: atmega103
• Description: Atmega103 8-bit With 128k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

Register Direct, Single
Register Rd
Register Direct, Two Registers
Rd and Rr
I/O Direct
0945I–AVR–02/07
Figure 8. Direct Single Register Addressing
The operand is contained in register d (Rd).
Figure 9. Direct Register Addressing, Two Registers
Operands are contained in registers r (Rr) and d (Rd). The result is stored in register d
(Rd).
Figure 10. I/O Direct Addressing
Operand address is contained in six bits of the instruction word. n is the destination or
source register address.
15
15
15
OP
OP
OP
9
n
r
5
5
4
4
P
d
d
0
0
0
REGISTER FILE
REGISTER FILE
I/O MEMORY
ATmega103(L)
0
63
0
d
31
0
d
r
31
13