Datasheet

237
ATtiny828 [DATASHEET]
8371A–AVR–08/12
Figure 94. Addressing the Flash Which is Organized in Pages
Flash programming waveforms are illustrated in Figure 95, where XX means “don’t care” and letters refer to the
programming steps described earlier.
Figure 95. Flash Programming Waveforms
PROGRAM MEMORY
WORD ADDRESS
WITHIN A PAGE
PAGE ADDRESS
WITHIN THE FLASH
INSTRUCTION WORD
PAG E
PCWORD[PAGEMSB:0]:
00
01
02
PAGEEND
PAG E
PCWORDPCPAGE
PCMSB
PAGEMSB
PROGRAM
COUNTER
RDY/BSY
WR
OE
RESET +12V
PAGEL
BS2
0x10 ADDR. LOW
ADDR. HIGH
DATA
DATA LOW DATA HIGH
ADDR. LOW DATA LOW DATA HIGH
XA1
XA0
BS1
XTAL1
XX XX
XX
ABCDEBCDEGH
F