3.2.1 Boot Loader Parameters for ATmega165A/PA

A clarification has been made to list the Boot loader parameters and the Read-While-Write limits for ATmega165A/PA.

Table 3-1. Boot Size Configuration (ATmega165A/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	128 words	2	0x0000 - 0x1F7F	0x1F80 - 0x1FFF	0x1F7F	0x1F80
1	0	256 words	4	0x0000 - 0x1EFF	0x1F00 - 0x1FFF	0x1EFF	0x1F00
0	1	512 words	8	0x0000 - 0x1DFF	0x1E00 - 0x1FFF	0x1DFF	0x1E00
0	0	1024 words	16	0x0000 - 0x1BFF	0x1C00 - 0x1FFF	0x1BFF	0x1C00

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

Table 3-2. Read-While-Write limit (ATmega165A/PA)⁽¹⁾
Section	Pages	Address
Read-While-Write (RWW) section	112	0x0000 - 0x1BFF
No Read-While-Write (NRWW) section	16	0x1C00 - 0x1FFF

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