PIC18F2221-E/SO Microchip Technology, PIC18F2221-E/SO Datasheet - Page 4

• Manufacturer Part Number: PIC18F2221-E/SO
• Description: 4KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 SOIC .300in TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-E/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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