PIC18LF2431-I/SP Microchip Technology, PIC18LF2431-I/SP Datasheet - Page 16

• Manufacturer Part Number: PIC18LF2431-I/SP
• Description: IC MCU FLASH 8KX16 28-DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2431-I/SP

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Core Processor: PIC
• 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
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: PIC18
• No. Of I/o's: 24
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• Processor Series: PIC18LF
• 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: 1 x 8
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 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 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

PIC18F2331/2431/4331/4431
TABLE 1-2:
DS39616C-page 14
MCLR/V
OSC1/CLKI/RA7
OSC2/CLKO/RA6
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/AN4/CAP3/QEB
Legend: TTL = TTL compatible input
MCLR
V
RE3
OSC1
CLKI
RA7
OSC2
CLKO
RA6
RA0
AN0
RA1
AN1
RA2
AN2
V
CAP1
INDX
RA3
AN3
V
CAP2
QEA
RA4
AN4
CAP3
QEB
REF
REF
PP
PP
-
+
Pin Name
ST
O
OD = Open-Drain (no diode to V
/RE3
REF
REF
-/CAP1/INDX
+/CAP2/QEA
= Schmitt Trigger input with CMOS levels
= Output
PIC18F2331/2431 PINOUT I/O DESCRIPTIONS
SPDIP,
Pin Number
SOIC
10
1
9
2
3
4
5
6
QFN
26
27
28
6
7
1
2
3
Type
DD
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
P
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
)
Preliminary
Analog
Analog
Analog
Analog
Analog
Analog
Analog
CMOS
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
Master Clear (input) or programming voltage (input).
Oscillator crystal or external clock input.
Oscillator crystal or clock output.
PORTA is a bidirectional I/O port.
Master Clear (Reset) input. This pin is an active-low
Reset to the device.
High-voltage ICSP™ programming enable pin.
Digital input. Available only when MCLR is disabled.
Oscillator crystal input or external clock source input.
ST buffer when configured in RC mode; CMOS otherwise.
External clock source input. Always associated with pin
function OSC1. (See related OSC1/CLKI, OSC2/CLKO
pins.)
General purpose I/O pin.
Oscillator crystal output. Connects to crystal or
resonator in Crystal Oscillator mode.
In RC mode, OSC2 pin outputs CLKO, which has 1/4
the frequency of OSC1 and denotes the instruction
cycle rate.
General purpose I/O pin.
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.
CMOS = CMOS compatible input or output
I
P
= Input
= Power
Description
© 2007 Microchip Technology Inc.