PIC18F4431-E/ML Microchip Technology, PIC18F4431-E/ML Datasheet - Page 10

• Manufacturer Part Number: PIC18F4431-E/ML
• Description: IC MCU FLASH 8KX16 44QFN
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
TABLE 1-2:
DS80239A-page 10
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2/FLTA
RC2/CCP1/FLTB
RC3/T0CKI/T5CKI/INT0
RC4/INT1/SDI/SDA
RC5/INT2/SCK/SCL
RC6/TX/CK/SS
RC7/RX/DT/SDO
V
V
Legend: TTL = TTL compatible input
SS
DD
RC0
T1OSO
T1CKI
RC1
T1OSI
CCP2
FLTA
RC2
CCP1
FLTB
RC3
T0CKI
T5CKI
INT0
RC4
INT1
SDI
SDA
RC5
INT2
SCK
SCL
RC6
TX
CK
SS
RC7
RX
DT
SDO
Pin Name
ST
O
OD = Open-Drain (no diode to V
= Schmitt Trigger input with CMOS levels
= Output
PIC18F2331/2431 PINOUT I/O DESCRIPTIONS (CONTINUED)
SOIC
8, 19
7, 20
DIP,
Number
12
13
14
15
16
17
18
11
Pin
QFN
10
11
12
13
14
15
16
17
5,
4,
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
I
I
I
I
I
I
I
I
DD
)
CMOS
Buffer
Type
TTL
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
PORTC is a bidirectional I/O port.
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
Digital I/O.
Timer1 oscillator output.
Timer1 external clock input.
Digital I/O.
Timer1 oscillator input.
Capture 2 input, Compare 2 output, PWM 2 output.
Fault interrupt input pin.
Digital I/O.
Capture 1 input/Compare 1 output/PWM 1 output.
Fault interrupt input pin.
Digital I/O.
Timer0 alternate clock input.
Timer5 alternate clock input.
External interrupt 0.
Digital I/O.
External interrupt 1.
SPI™ data in.
I
Digital I/O.
External interrupt 2.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I
Digital I/O.
USART asynchronous transmit.
USART synchronous clock (see related RX/DT).
SPI slave select input.
Digital I/O.
USART asynchronous receive.
USART synchronous data (see related TX/CK).
SPI data out.
2
C™ data I/O.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
© 2005 Microchip Technology Inc.
2
C mode.