Rainbow Electronics ATmega64M1 - Manual (Page 274)

274
8209A–AVR–08/09
ATmega16M1/32M1/64M1
Figure 27-1. 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