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ATtiny43U bảng dữ liệu(PDF) 147 Page - ATMEL Corporation

tên linh kiện ATtiny43U
Giải thích chi tiết về linh kiện  8-bit Microcontroller with 4K Bytes In-System Programmable Flash and Boost Converter
PDF  182 Pages
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nhà sản xuất  ATMEL [ATMEL Corporation]
Trang chủ  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny43U bảng dữ liệu(HTML) 147 Page - ATMEL Corporation

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147
8048B–AVR–03/09
Figure 19-2. Addressing the Flash Which is Organized in Pages
(1)
Note:
1. PCPAGE and PCWORD are listed in Table 19-8 on page 142.
Figure 19-3. Programming the Flash Waveforms(1)
Note:
1. “XX” is don’t care. The letters refer to the programming description above.
19.6.5
Programming the EEPROM
The EEPROM is organized in pages, see Table 19-9 on page 142. 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 145 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
0x10
ADDR. LOW
ADDR. HIGH
DATA
DATA LOW
DATA HIGH
ADDR. LOW
DATA LOW
DATA HIGH
XA1/BS2
XA0
PAGEL/BS1
CLKI
XX
XX
XX
AB
CD
E
B
C
D
E
G
H
F



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