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PDF PIC18F4458 Data sheet ( Hoja de datos )
| Número de pieza | PIC18F4458 | |
| Descripción | (PIC18Fxxxx) USB Microcontrollers | |
| Fabricantes | Microchip Technology | |
| Logotipo |  |
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PIC18F2458/2553/4458/4553
Data Sheet
28/40/44-Pin High-Performance,
Enhanced Flash, USB Microcontrollers
with 12-Bit A/D and nanoWatt Technology
© 2007 Microchip Technology Inc.
Preliminary
DS39887B
1 page  
Pin Diagrams (Continued)
44-Pin TQFP
PIC18F2458/2553/4458/4553
www.DataSheet4U.com
RC7/RX/DT/SDO
RD4/SPP4
RD5/SPP5/P1B
RD6/SPP6/P1C
RD7/SPP7/P1D
VSS
VDD
RB0/AN12/INT0/FLT0/SDI/SDA
RB1/AN10/INT1/SCK/SCL
RB2/AN8/INT2/VMO
RB3/AN9/CCP2(1)/VPO
1
2
3
4
5
6
7
PIC18F4458
PIC18F4553
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
NC/ICRST(2)/ICVPP(2)
RC0/T1OSO/T13CKI
OSC2/CLKO/RA6
OSC1/CLKI
VSS
VDD
RE2/AN7/OESPP
RE1/AN6/CK2SPP
RE0/AN5/CK1SPP
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT/RCV
44-Pin QFN
RC7/RX/DT/SDO
RD4/SPP4
RD5/SPP5/P1B
RD6/SPP6/P1C
RD7/SPP7/P1D
VSS
VDD
VDD
RB0/AN12/INT0/FLT0/SDI/SDA
RB1/AN10/INT1/SCK/SCL
RB2/AN8/INT2/VMO
1 33
2 32
3 31
4 30
5
6
7
PIC18F4458
PIC18F4553
29
28
27
8 26
9 25
10 24
11 23
OSC2/CLKO/RA6
OSC1/CLKI
VSS
VSS
VDD
VDD
RE2/AN7/OESPP
RE1/AN6/CK2SPP
RE0/AN5/CK1SPP
RA5/AN4/SS/HLVDIN/C2OUT
RA4/T0CKI/C1OUT/RCV
Note 1:
2:
RB3 is the alternate pin for CCP2 multiplexing.
Special ICPORT features are available only in 44-pin TQFP packages. See Section 25.9 “Special ICPORT Features” in
the “PIC18F2455/2550/4455/4550 Data Sheet”’.
© 2007 Microchip Technology Inc.
Preliminary
DS39887B-page 3
5 Page 
PIC18F2458/2553/4458/4553
TABLE 1-2: PIC18F2458/2553 PINOUT I/O DESCRIPTIONS
Pin Name
Pin
Number Pin
SPDIP, Type
SOIC
Buffer
Type
Description
MCLR/VPP/RE3
MCLR
VPP
RE3
1 Master Clear (input) or programming voltage (input).
I ST Master Clear (Reset) input. This pin is an active-low
Reset to the device.
P Programming voltage input.
I ST Digital input.
OSC1/CLKI
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OSC1
CLKI
9 Oscillator crystal or external clock input.
I Analog Oscillator crystal input or external clock source input.
I Analog External clock source input. Always associated with pin
function OSC1. (See OSC2/CLKO pin.)
OSC2/CLKO/RA6
OSC2
CLKO
RA6
10 Oscillator crystal or clock output.
O—
Oscillator crystal output. Connects to crystal or resonator in
Crystal Oscillator mode.
O—
In select modes, OSC2 pin outputs CLKO which has 1/4 the
frequency of OSC1 and denotes the instruction cycle rate.
I/O TTL
General purpose I/O pin.
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
CMOS = CMOS compatible input or output
I = Input
P = Power
Note 1: Alternate assignment for CCP2 when CCP2MX Configuration bit is cleared.
2: Default assignment for CCP2 when CCP2MX Configuration bit is set.
© 2007 Microchip Technology Inc.
Preliminary
DS39887B-page 9
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet PIC18F4458.PDF ] | |
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