ATMEGA163 ATMEL [ATMEL Corporation], ATMEGA163 Datasheet - Page 14

• Manufacturer Part Number: ATMEGA163
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Data Indirect with
Displacement
Data Indirect
Data Indirect with Pre-
decrement
14
ATmega163(L)
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 6 bits of the instruction word.
Figure 15. Data Indirect Addressing
Operand address is the contents of the X-, Y-, or the Z-register.
Figure 16. Data Indirect Addressing with Pre-decrement
The X-, Y-, or the Z-register is decremented before the operation. Operand address is
the decremented contents of the X-, Y-, or the Z-register.
15
15
15
15
OP
X, Y OR Z - REGISTER
Y OR Z - REGISTER
X, Y OR Z - REGISTER
10
n
6
5
a
0
0
0
-1
0
Data Space
Data Space
Data Space
$0000
$045F
$0000
$045F
$0000
$045F
1142E–AVR–02/03