PIC18F4431-I/P Microchip Technology Inc., PIC18F4431-I/P Datasheet - Page 16
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC18F4431-I/P
Manufacturer Part Number
PIC18F4431-I/P
Description
Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 36 I/O; 40-Pin-PDIP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F4431-IP.pdf
(396 pages)
Specifications of PIC18F4431-I/P
A/d Inputs
9-Channel, 10-Bit
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
36
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
40-pin PDIP
Programmable Memory
16K Bytes
Ram Size
768 Bytes
Speed
40 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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PIC18F2331/2431/4331/4431
TABLE 1-2:
DS39616B-page 14
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
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
PIC18F2331/2431 PINOUT I/O DESCRIPTIONS (CONTINUED)
= TTL compatible input
= Schmitt Trigger input with CMOS levels
= Output
= Open-Drain (no diode to V
8, 19 8, 19
7, 20 7, 20
DIP SOIC
11
12
13
14
15
16
17
18
Number
Pin
11
12
13
14
15
16
17
18
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
)
Buffer
CMOS
Type
Preliminary
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.
Capture2 input, Compare2 output, PWM2 output.
Fault interrupt input pin.
Digital I/O.
Capture1 input/Compare1 output/PWM1 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
I
P
= CMOS compatible input or output
= Input
= Power
Description
2003 Microchip Technology Inc.
2
C mode.
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