PIC18F2221 MICROCHIP [Microchip Technology], PIC18F2221 Datasheet - Page 17

• Manufacturer Part Number: PIC18F2221
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 1-2:
© 2007 Microchip Technology Inc.
RC0/T1OSO/T13CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
RE3
V
V
Legend: TTL = TTL compatible input
Note 1:
SS
DD
RC0
T1OSO
T13CKI
RC1
T1OSI
CCP2
RC2
CCP1
RC3
SCK
SCL
RC4
SDI
SDA
RC5
SDO
RC6
TX
CK
RC7
RX
DT
2:
Pin Name
(1)
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
8, 19
2
C™ or SMB levels
12
13
14
15
16
17
18
20
11
—
5, 16
QFN
10
12
13
14
15
17
11
—
8
9
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/O
I/O
I/O
—
O
O
O
P
P
I
I
I
I
Analog
Buffer
Type
I
I
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
—
2
2
Preliminary
C
C
PORTC is a bidirectional I/O port.
See MCLR/V
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
Digital I/O.
Timer1 oscillator analog output.
Timer1/Timer3 external clock input.
Digital I/O.
Timer1 oscillator analog input.
Capture 2 input/Compare 2 output/PWM 2 output.
Digital I/O.
Capture 1 input/Compare 1 output/PWM 1 output.
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I
Digital I/O.
SPI data in.
I
Digital I/O.
SPI data out.
Digital I/O.
EUSART asynchronous transmit.
EUSART synchronous clock (see related RX/DT).
Digital I/O.
EUSART asynchronous receive.
EUSART synchronous data (see related TX/CK).
2
C data I/O.
CMOS = CMOS compatible input or output
I
O
PIC18F4321 FAMILY
PP
= Input
= Output
/RE3 pin.
Description
P = Power
DS39689E-page 15
2
C™ mode.