Rainbow Electronics ATmega8515L - Manual (Page 182)

182
ATmega8515(L)
2512A–AVR–04/02
3. Wait until RDY/BSY goes high. (See Figure 76 for signal waveforms)
I. Repeat B through H until the entire Flash is programmed or until all data has been
programmed.
J. End Page Programming
1. 1. Set XA1, XA0 to “10”. This enables command loading.
2. Set DATA to “0000 0000”. This is the command for No Operation.
3. Give XTAL1 a positive pulse. This loads the command, and the internal write sig-
nals are reset.
Figure 75. Addressing the Flash which is Organized in Pages (1)
Note: 1. PCPAGE and PCWORD are listed in Table 89 on page 179 .
PROGRAM MEMORY
WORD ADDRESS
WITHIN A PAGE PAGE ADDRESS
WITHIN THE FLASH
INSTRUCTION WORD
PAGE
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
PAGE
PCWORD PCPAGE
PCMSB PAGEMSB
PROGRAM
COUNTER