Rainbow Electronics ATmega128L - Manual (Page 277)

277
ATmega128(L)
2467B–09/01
spm
; restore SREG (to enable interrupts if originally enabled)
out
SREG, temp2
ret
ATmega128 Boot Loader
Parameters In Table 113 through Table 115, the parameters used in the description of the self pro-
gramming are given.
Note: The different BOOTSZ fuse configurations are shown in Figure 133
Note: 1. For details about these two section, see “No Read-While-Write Section – NRWW” on
page 267 and “Read-While-Write Section – RWW” on page 267
Table 113. Boot Size Configuration
BOOTSZ1 BOOTSZ0
Boot
Size
Pages
Application
Flash
Section
Boot
Loader
Flash
Section
End
Application
section
Boot
Reset
Address
(start Boot
Loader
Section)
1 1
512
words
4
$0000 -
$FDFF $FE00 -
$FFFF
$FDFF $FE00
1 0
1024
words
8
$0000 -
$FBFF $FC00 -
$FFFF
$FBFF $FC00
0 1
2048
words
16
$0000 -
$F7FF $F800 -
$FFFF
$F7FF $F800
0 0
4096
words
32
$0000 -
$EFFF $F000 -
$FFFF
$EFFF $F000
Table 114. Read-While-Write Limit (1)
Section Pages Address
Read-While-Write section (RWW) 480 $0000 - $EFFF
No Read-While-Write section (NRWW) 32 $F000 - $FFFF