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PIC18F8723 Datasheet(PDF) 21 Page - Microchip Technology

No. de pieza PIC18F8723
Descripción Electrónicos  64/80-Pin, 1-Mbit,Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt Technology
PDF  60 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
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PIC18F8723 Datasheet(HTML) 21 Page - Microchip Technology

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© 2007 Microchip Technology Inc.
Preliminary
DS39894A-page 19
PIC18F8723 FAMILY
TABLE 1-3:
PIC18F8628/8723 (80-PIN) PINOUT I/O DESCRIPTIONS
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
TQFP
RG5/MCLR/VPP
RG5
MCLR
VPP
9
I
I
P
ST
ST
Master Clear (input) or programming voltage (input).
Digital input.
Master Clear (Reset) input. This pin is an active-low
Reset to the device.
Programming voltage input.
OSC1/CLKI/RA7
OSC1
CLKI
RA7
49
I
I
I/O
ST
CMOS
TTL
Oscillator crystal or external clock input.
Oscillator crystal input or external clock source input.
ST buffer when configured in RC mode, CMOS
otherwise.
External clock source input. Always associated with
pin function OSC1. (See related OSC1/CLKI,
OSC2/CLKO pins.)
General purpose I/O pin.
OSC2/CLKO/RA6
OSC2
CLKO
RA6
50
O
O
I/O
—
—
TTL
Oscillator crystal or clock output.
Oscillator crystal output. Connects to crystal or
resonator in Crystal Oscillator mode.
In RC mode, OSC2 pin outputs CLKO, which has 1/4 the
frequency of OSC1 and denotes the
instruction cycle rate.
General purpose I/O pin.
Legend: TTL = TTL compatible input
CMOS
= CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
Analog
= Analog input
I
= Input
O
= Output
P= Power
I2C™/SMB = I2C/SMBus input buffer
Note 1: Alternate assignment for ECCP2 when Configuration bit, CCP2MX, is cleared (all operating modes except
Microcontroller mode).
2: Default assignment for ECCP2 in all operating modes (CCP2MX is set).
3: Alternate assignment for ECCP2 when CCP2MX is cleared (Microcontroller mode only).
4: Default assignment for P1B/P1C/P3B/P3C (ECCPMX is set).
5: Alternate assignment for P1B/P1C/P3B/P3C (ECCPMX is clear).



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