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ATtiny167 bảng dữ liệu(PDF) 233 Page - ATMEL Corporation

tên linh kiện ATtiny167
Giải thích chi tiết về linh kiện  8-bit Microcontroller with 8K/16K Bytes In-System Programmable Flash and LIN Controller
PDF  282 Pages
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nhà sản xuất  ATMEL [ATMEL Corporation]
Trang chủ  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny167 bảng dữ liệu(HTML) 233 Page - ATMEL Corporation

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233
7728D–AVR–07/09
ATtiny87/ATtiny167
G. Load Address High byte
1.
Set XA1, XA0 to “0,0”. This enables address loading.
2.
Set BS1 to “1”. This selects high address.
3.
Set DATA = Address high byte (0x00 - 0xFF).
4.
Give XTAL1 a positive pulse. This loads the address high byte.
H. Program Page
1.
Give WR a negative pulse. This starts programming of the entire page of data.
RDY/BSY goes low.
2.
Wait until RDY/BSY goes high (See Figure 21-3 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 “1,0”. This enables command loading.
2.
Set DATA to “0000 0000
b”. This is the command for No Operation.
3.
Give XTAL1 a positive pulse. This loads the command, and the internal write signals
are reset.
Figure 21-2. Addressing the Flash Which is Organized in Pages
Note:
1. PCPAGE and PCWORD are listed in
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



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