Datasheet

338
ATmega640/1280/1281/2560/2561
2549K–AVR–01/07
ATmega2560/2561 Boot
Loader Parameters
In Table 146 through Table 148, the parameters used in the description of the Self-Pro-
gramming are given.
Note: 1. The different BOOTSZ Fuse configurations are shown in Figure 136.
Note: 1. For details about these two section, see “NRWW – No Read-While-Write Section” on
page 324 and “RWW – Read-While-Write Section” on page 324.
Table 146. Boot Size Configuration, ATmega2560/2561
(1)
BOOTSZ1 BOOTSZ0 Boot Size Pages Appli-cation Flash Section Boot Loader Flash Section End Application Section Boot Reset Address (Start Boot Loader Section)
11
512
words
4
0x00000 -
0x1FDFF
0x1FE00 -
0x1FFFF
0x1FDFF 0x1FE00
10
1024
words
8
0x00000 -
0x1FBFF
0x1FC00 -
0x1FFFF
0x1FBFF 0x1FC00
01
2048
words
16
0x00000 -
0x1F7FF
0x1F800 -
0x1FFFF
0x1F7FF 0x1F800
00
4096
words
32
0x00000 -
0x1EFFF
0x1F000 -
0x1FFFF
0x1EFFF 0x1F000
Table 147. Read-While-Write Limit, ATmega2560/2561
Section
(1)
Pages Address
Read-While-Write section (RWW) 992 0x00000 - 0x1EFFF
No Read-While-Write section (NRWW) 32 0x1F000 - 0x1FFFF