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Direct program address, jmp and call, Indirect program addressing, ijmp and icall – Rainbow Electronics ATmega103L User Manual

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ATmega603/103

16

Direct Program Address, JMP and CALL

Figure 17. Direct Program Memory Addressing

Program execution continues at the address immediate in the instruction words.

Indirect Program Addressing, IJMP and ICALL

Figure 18. Indirect Program Memory Addressing

Program execution continues at address contained by the Z-register (i.e. the PC is loaded with the contents of the
Z-register).

OP

16

21 20

31

15

0

16 LSBs

PROGRAM MEMORY

$0000

$7FFF/$FFFF

PROGRAM MEMORY

$0000

$7FFF/$FFFF

0

15

Z - REGISTER