Datasheet

Figure 31-1. Read-While-Write vs. No Read-While-Write
Read-While-Write
(RWW) Section
No Read-While-Write
(NRWW) Section
Z-pointer
Addresses RWW
Section
Z-pointer
Addresses NRWW
Section
CPU is Halted
During the Operation
Code Located in
NRWW Section
Can be Read During
the Operation
ATmega48A/88A/168A
Boot Loader Support – Read-While-Write Self-...
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Datasheet Complete
DS40002007A-page 347