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PIC18F4221 Datasheet(PDF) 4 Page - Microchip Technology

Part # PIC18F4221
Description  Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4221 Datasheet(HTML) 4 Page - Microchip Technology

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PIC18F2221/2321/4221/4321 FAMILY
DS39689F-page 4
© 2009 Microchip Technology Inc.
Pin Diagrams
10
11
2
3
4
5
6
1
8
7
9
12
13
14
15
16
17
18
19
20
23
24
25
26
27
28
22
21
MCLR/VPP/RE3
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA4/T0CKI/C1OUT
RA5/AN4/SS/HLVDIN/C2OUT
VSS
OSC1/CLKI/RA7
OSC2/CLKO/RA6
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RB7/KBI3/PGD
RB6//KBI2/PGC
RB5/KBI1/PGM
RB4/KBI0/AN11
RB3/AN9/CCP2
RB2/INT2/AN8
RB1/INT1/AN10
RB0/INT0/FLT0/AN12
VDD
VSS
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
28-Pin SPDIP, SOIC, SSOP
28-Pin QFN
10 11
2
3
6
1
18
19
20
21
22
12 13 14
15
8
7
16
17
23
24
25
26
27
28
9
PIC18F2221
5
4
RB3/AN9/CCP2(1)
RB2/INT2/AN8
RB1/INT1/AN10
RB0/INT0/FLT0/AN12
VDD
VSS
RC7/RX/DT
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA4/T0CKI/C1OUT
RA5/AN4/SS/HLVDIN/C2OUT
VSS
OSC1/CLKI/RA7
OSC2/CLKO/RA6
Note 1:
RB3 is the alternate pin for CCP2 multiplexing.
PIC18F2321


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