PIC18F2431-I/SO Microchip Technology, PIC18F2431-I/SO Datasheet - Page 20

• Manufacturer Part Number: PIC18F2431-I/SO
• Description: IC PIC MCU FLASH 8KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2431-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 28-SOIC (7.5mm Width)
• 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: 24
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART/I2C/SPI/SSP
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM183021, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5-ch x 10-bit
• Package: 28SOIC W
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT28SO-1 - SOCKET TRANSITION 28SOIC 300MILI3-DB18F4431 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F2331/2431/4331/4431
TABLE 1-3:
DS39616D-page 20
RA0/AN0
RA1/AN1
RA2/AN2/V
INDX
RA3/AN3/V
CAP2/QEA
RA4/AN4/CAP3/QEB
RA5/AN5/LVDIN
Legend: TTL = TTL compatible input
Note 1:
RA0
AN0
RA1
AN1
RA2
AN2
V
CAP1
INDX
RA3
AN3
V
CAP2
QEA
RA4
AN4
CAP3
QEB
RA5
AN5
LVDIN
REF
REF
Pin Name
2:
3:
-
+
ST
O
RC3 is the alternate pin for T0CKI/T5CKI; RC4 is the alternate pin for SDI/SDA; RC5 is the alternate pin
for SCK/SCL; RC7 is the alternate pin for SDO.
RD4 is the alternate pin for FLTA.
RD5 is the alternate pin for PWM4.
REF
REF
-/CAP1/
+/
= Schmitt Trigger input with CMOS levels
= Output
PIC18F4331/4431 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP TQFP QFN
2
3
4
5
6
7
Pin Number
19
20
21
22
23
24
19
20
21
22
23
24
Type
Pin
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
I
I
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
PORTA is a bidirectional I/O port.
Digital I/O.
Analog Input 0.
Digital I/O.
Analog Input 1.
Digital I/O.
Analog Input 2.
A/D reference voltage (low) input.
Input Capture Pin 1.
Quadrature Encoder Interface index input pin.
Digital I/O.
Analog Input 3.
A/D reference voltage (high) input.
Input Capture Pin 2.
Quadrature Encoder Interface Channel A input pin.
Digital I/O.
Analog Input 4.
Input Capture Pin 3.
Quadrature Encoder Interface Channel B input pin.
Digital I/O.
Analog Input 5.
Low-Voltage Detect input.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
 2010 Microchip Technology Inc.