Rainbow-electronics ATmega128L Uživatelský manuál stáhnout pdf (Strana 277)

100

101

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)

512

words

$0000 -

$FDFF

$FE00 -

$FFFF

$FDFF $FE00

1024

words

$0000 -

$FBFF

$FC00 -

$FFFF

$FBFF $FC00

2048

words

$0000 -

$F7FF

$F800 -

$FFFF

$F7FF $F800

4096

words

$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

1 2 ... 272 273 274 275 276 277 278 279 280 281 282 ... 330 331

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