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PIC16F707-E/ML Datasheet(PDF) 185 Page - Microchip Technology

Part # PIC16F707-E/ML
Description  40/44-Pin, Flash Microcontrollers with nanoWatt XLP and mTouch??Technology
PDF  284 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F707-E/ML Datasheet(HTML) 185 Page - Microchip Technology

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 2010 Microchip Technology Inc.
Preliminary
DS41418A-page 185
PIC16F707/PIC16LF707
22.0 IN-CIRCUIT SERIAL
PROGRAMMING™ (ICSP™)
ICSP™ programming allows customers to manufacture
circuit boards with unprogrammed devices. Programming
can be done after the assembly process allowing the
device to be programmed with the most recent firmware
or a custom firmware. Five pins are needed for ICSP™
programming:
• ICSPCLK
• ICSPDAT
•MCLR/VPP
•VDD
•VSS
The device is placed into Program/Verify mode by
holding the ICSPCLK and ICSPDAT pins low then
raising the voltage on MCLR/VPP from 0v to VPP. In
Program/Verify mode the program memory, user IDs and
the Configuration Words are programmed through serial
communications. The ICSPDAT pin is a bidirectional I/O
used for transferring the serial data and the ISCPCLK pin
is the clock input. For more information on ICSP™ refer
to
the
“PIC16F707/PIC16LF707
Programming
Specification” (DS41405A).
FIGURE 22-1:
TYPICAL CONNECTION FOR ICSP™ PROGRAMMING
Note:
The ICD 2 produces a VPP voltage greater
than the maximum VPP specification of the
PIC16F707/PIC16LF707. When using this
programmer, an external circuit, such as
the AC164112 MPLAB® ICD 2 VPP volt-
age limiter, is required to keep the VPP
voltage within the device specifications.
VDD
VPP
GND
External
Device to be
Data
Clock
VDD
MCLR/VPP
VSS
ICSPDAT
ICSPCLK
*
*
*
To Normal Connections
* Isolation devices (as required).
10k
Programming
Signals
Programmed
VDD



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