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PIC16F датащи(PDF) 18 Page - Microchip Technology

номер детали PIC16F
подробное описание детали  PIC16F/LF182X/PIC12F/LF1822 Memory Programming Specification
PDF  40 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F датащи(HTML) 18 Page - Microchip Technology

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PIC16F/LF182X/PIC12F/LF1822
DS41390C-page 18
Advance Information
 2010 Microchip Technology Inc.
4.3.9
BEGIN EXTERNALLY TIMED
PROGRAMMING
A Load Configuration, Load Data for Program Memory
or Load Data for Data Memory command must be given
before every Begin Programming command. Program-
ming of the addressed memory will begin after this
command is received. To complete the programming
the End Externally Timed Programming command
must be sent in the specified time window defined by
TPEXT. No internal erase is performed for the data
EEPROM, therefore, the device should be erased prior
to executing this command.
The Begin Externally Timed Programming command
cannot be used for programming the Configuration
Words (see Figure 4-9).
FIGURE 4-9:
BEGIN EXTERNALLY TIMED PROGRAMMING
4.3.10
END EXTERNALLY TIMED
PROGRAMMING
This command is required after a Begin Externally
Timed
Programming
command
is given.
This
command must be sent within the time window
specified by TPEXT after the Begin Externally Timed
Programming command is sent.
After sending the End Externally Timed Programming
command, an additional delay (TDIS) is required before
sending the next command. This delay is longer than
the delay ordinarily required between other commands
(see Figure 4-10).
FIGURE 4-10:
END EXTERNALLY TIMED PROGRAMMING
X
1
0
12
3
4
5
6
1
2
ICSPCLK
ICSPDAT
0
0
0
1
1
0
End Externally Timed Programming
Command
TPEXT
3
1
23
4
5
61
2
ICSPCLK
ICSPDAT
3
TDIS
X
1
0
1
0
X
X
X
1
Next Command



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