Rainbow-electronics ATmega64L Manuel d'utilisateur télécharger pdf (Page 260)

100

101

260

ATmega16(L)

2466B–09/01

Figure 129. Addressing the Flash which is Organized in Pages

Note: 1. PCPAGE and PCWORD are listed in Table 111 on page 257.

Figure 130. Programming the Flash Waveforms

(1)

Note: 1. “XX” is don"t care. The letters refer to the programming description above.

PROGRAM MEMORY

WORD ADDRESS

WITHIN A PAGE

PAGE ADDRESS

WITHIN THE FLASH

INSTRUCTION WORD

PAGE

PCWORD[PAGEMSB:0]:

PAGEEND

PAGE

PCWORDPCPAGE

PCMSB

PAGEMSB

PROGRAM

COUNTER

RDY/BSY

RESET +12V

PAGEL

BS2

$10 ADDR. LOW

ADDR. HIGH

DATA

DATA L OW DATA H I G H ADDR. LOW DATA LOW DATA HIGH

XA1

XA0

BS1

XTAL1

XX XX

ABCDEBCDEGH

1 2 ... 255 256 257 258 259 260 261 262 263 264 265 ... 297 298

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Rainbow-electronics ATmega64L Manuel d'utilisateur Page 260

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