3.2.2 Boot Loader Parameters for ATmega325A/PA/3250A/PA

A clarification has been made to list the Boot loader parameters and the Read-While-Write limits for ATmega325A/PA/3250A/PA.

Table 3-3. Boot Size configuration (ATmega325A/PA/3250A/PA)⁽¹⁾
BOOTSZ1	BOOTSZ0	Boot Size	Pages	Application Flash  Section	Boot Loader Flash  Section	End Application  Section	Boot Reset Address (Start Boot  Loader Section)
1	1	256 words	4	0x0000 - 0x3EFF	0x3F00 - 0x3FFF	0x3EFF	0x3F00
1	0	512 words	8	0x0000 - 0x3DFF	0x3E00 - 0x3FFF	0x3DFF	0x3E00
0	1	1024 words	16	0x0000 - 0x3BFF	0x3C00 - 0x3FFF	0x3BFF	0x3C00
0	0	2048 words	32	0x0000 - 0x37FF	0x3800 - 0x3FFF	0x37FF	0x3800

Note: The Figure Memory sections shows the different BOOTSZ Fuse configurations.

Table 3-4. Read-While-Write Limit (ATmega325A/PA/3250A/PA)⁽¹⁾
Section	Pages	Address
Read-While-Write (RWW) section	224	0x0000 - 0x37FF
No Read-While-Write (NRWW) section	32	0x3800 - 0x3FFF

Note: For details about these two sections, see NRWW – No Read-While-Write Section and RWW – Read-While-Write Section.