Datasheet
sbic EECR, EEWE
rjmp Wait_ee
; SPM timed sequence
sts SPMCSR, spmcsrval
spm
; restore SREG (to enable interrupts if originally
enabled)
out SREG, temp2
ret
30.8.13. ATmega64A Boot Loader Parameters
In the following tables, the parameters used in the description of the self programming are given.
Table 30-6 Boot Size Configuration, ATmega64A
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 0x0000 -
0x7DFF
0x7E00 -
0x7FFF
0x7DFF 0x7E00
1 0 1024
words
8 0x0000 -
0x7BFF
0x7C00 -
0x7FFF
0x7BFF 0x7C00
0 1 2048
words
16 0x0000 -
0x77FF
0x7800 -
0x7FFF
0x77FF 0x7800
0 0 4096
words
32 0x0000 -
0x6FFF
0x7000 -
0x7FFF
0x6FFF 0x7000
Note: The different BOOTSZ Fuse configurations are shown in Figure 30-2 Memory Sections on page
369.
Table 30-7 Read-While-Write Limit, ATmega64A
(1)
Section Pages Address
Read-While-Write section (RWW) 224 0x0000 - 0x6FFF
No Read-While-Write section (NRWW) 32 0x7000 - 0x7FFF
Note: 1. For details about these two sections, see NRWW – No Read-While-Write Section on page 367
and RWW – Read-While-Write Section on page 367.
Atmel ATmega64A [DATASHEET]
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