Rainbow Electronics ATmega163L - Manual (Page 12)

ATmega163(L)
12
I/O Direct
Figure 12. I/O Direct Addressing
Operand address is contained in 6 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 two-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 contained in 6 bits of the instruction
word.
OP Rr/Rd
16 31
15 0
16 LSBs
$0000
$045F
20 19
Data Space
Data Space
$0000
$045F
Y OR Z - REGISTER
OP a n
0
0 5 6 10
15
15