PIC18F2221-E/SO Microchip Technology, PIC18F2221-E/SO Datasheet - Page 16

• 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
TABLE 1-2:
DS39689F-page 16
RB0/INT0/FLT0/AN12
RB1/INT1/AN10
RB2/INT2/AN8
RB3/AN9/CCP2
RB4/KBI0/AN11
RB5/KBI1/PGM
RB6/KBI2/PGC
RB7/KBI3/PGD
Legend: TTL = TTL compatible input
Note 1:
RB0
INT0
FLT0
AN12
RB1
INT1
AN10
RB2
INT2
AN8
RB3
AN9
CCP2
RB4
KBI0
AN11
RB5
KBI1
PGM
RB6
KBI2
PGC
RB7
KBI3
PGD
2:
Pin Name
(2)
ST = Schmitt Trigger input with CMOS levels
I
Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.
2
C = ST with I
PIC18F2221/2321 PINOUT I/O DESCRIPTIONS (CONTINUED)
SPDIP,
SOIC,
SSOP
Pin Number
2
C™ or SMB levels
21
22
23
24
25
26
27
28
QFN
18
19
20
21
22
23
24
25
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
PORTB is a bidirectional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
Digital I/O.
External Interrupt 1.
Analog Input 10.
Digital I/O.
External Interrupt 2.
Analog Input 8.
Digital I/O.
Analog Input 9.
Capture 2 input/Compare 2 output/PWM2 output.
Digital I/O.
Interrupt-on-change pin.
Analog Input 11.
Digital I/O.
Interrupt-on-change pin.
Low-Voltage ICSP™ programming enable pin.
Digital I/O.
Interrupt-on-change pin.
In-circuit debugger and ICSP programming clock pin.
Digital I/O.
Interrupt-on-change pin.
In-circuit debugger and ICSP programming data pin.
Digital I/O.
External Interrupt 0.
PWM Fault input for CCP1.
Analog Input 12.
CMOS = CMOS compatible input or output
I
O
= Input
= Output
Description
© 2009 Microchip Technology Inc.
P = Power