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DOC7707 Datasheet(PDF) 251 Page - List of Unclassifed Manufacturers

No. de pieza DOC7707
Descripción Electrónicos  Microcontroller with 8/16K Bytes of ISP Flash and USB Controller
PDF  307 Pages
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Fabricante Electrónico  ETC1 [List of Unclassifed Manufacturers]
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DOC7707 Datasheet(HTML) 251 Page - List of Unclassifed Manufacturers

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251
7707F–AVR–11/10
AT90USB82/162
3.
Wait until RDY/BSY goes high (See Figure 25-3 for signal waveforms).
J. Repeat B through I until the entire Flash is programmed or until all data has been
programmed.
K. 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 signals
are reset.
Figure 25-2. Addressing the Flash Which is Organized in Pages
(1)
Note:
1. PCPAGE and PCWORD are listed in Table 25-11 on page 248.
Figure 25-3. Programming the Flash Waveforms(1)
Note:
1. “XX” is don’t care. The letters refer to the programming description above.
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
F
ADDR. EXT.H
H
I



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