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ATmega328P датащи(PDF) 304 Page - ATMEL Corporation

номер детали ATmega328P
подробное описание детали  8-bit Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash
PDF  448 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega328P датащи(HTML) 304 Page - ATMEL Corporation

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8161D–AVR–10/09
ATmega48PA/88PA/168PA/328P
Figure 27-2. Addressing the Flash Which is Organized in Pages
(1)
Note:
1. PCPAGE and PCWORD are listed in Table 27-11 on page 299.
Figure 27-3. Programming the Flash Waveforms(1)
Note:
1. “XX” is don’t care. The letters refer to the programming description above.
27.7.5
Programming the EEPROM
The EEPROM is organized in pages, see Table 27-12 on page 299. When programming the
EEPROM, the program data is latched into a page buffer. This allows one page of data to be
programmed simultaneously. The programming algorithm for the EEPROM data memory is as
follows (refer to ”Programming the Flash” on page 302 for details on Command, Address and
Data loading):
1.
A: Load Command “0001 0001”.
2.
G: Load Address High Byte (0x00 - 0xFF).
3.
B: Load Address Low Byte (0x00 - 0xFF).
4.
C: Load Data (0x00 - 0xFF).
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
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
AB
CD
E
B
C
D
E
G
H
F



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