atmega103 ATMEL Corporation, atmega103 Datasheet - Page 14

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

Data Direct
Data Indirect with
Displacement
Data Indirect
14
ATmega103(L)
Figure 11. 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.
Figure 12. 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.
Figure 13. Data Indirect Addressing
Operand address is the contents of the X-, Y,- or the Z-register.
15
15
15
OP
31
15
X-, Y- OR Z-REGISTER
Y- OR Z-REGISTER
10
OP
n
16 LSBs
6
20 19
5
a
Rr/Rd
0
0
0
16
0
Data Space
Data Space
Data Space
$0000
$FFFF
$0000
$FFFF
$0000
$FFFF
0945I–AVR–02/07