PIC18F2221-I/ML Microchip Technology, PIC18F2221-I/ML Datasheet - Page 17

• Manufacturer Part Number: PIC18F2221-I/ML
• Description: IC PIC MCU FLASH 2KX16 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-I/ML

• Core Size: 8-Bit
• Program Memory Size: 4KB (2K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• 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 ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC18
• No. Of I/o's: 25
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Package: 28QFN EP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 25
• Interface Type: I2C/SPI/USART
• On-chip Adc: 10-chx10-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TABLE 1-2:
© 2009 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)
PIC18F2221/2321/4221/4321 FAMILY
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
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/PWM2 output.
Digital I/O.
Capture 1 input/Compare 1 output/PWM1 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
PP
= Input
= Output
/RE3 pin.
Description
P = Power
DS39689F-page 17
2
C™ mode.