PIC18F2431-I/SP Microchip Technology Inc., PIC18F2431-I/SP Datasheet - Page 14

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PIC18F2431-I/SP

Manufacturer Part Number
PIC18F2431-I/SP
Description
Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
Manufacturer
Microchip Technology Inc.
Datasheet

Specifications of PIC18F2431-I/SP

A/d Inputs
5-Channel, 10-Bit
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
24
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SPDIP
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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Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2431-I/SP
Manufacturer:
MICROCHIP/微芯
Quantity:
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Part Number:
PIC18F2431-I/SP
Quantity:
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PIC18F2331/2431/4331/4431
TABLE 1-2:
DS39616B-page 12
MCLR/V
OSC1/CLKI/RA7
OSC2/CLKO/RA6
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/AN4/CAP3/QEB
Legend: TTL
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
/RE3
ST
O
OD
REF
REF
-/CAP1/INDX
+/CAP2/QEA
PIC18F2331/2431 PINOUT I/O DESCRIPTIONS
= TTL compatible input
= Schmitt Trigger input with CMOS levels
= Output
= Open-Drain (no diode to V
DIP SOIC
10
Number
1
9
2
3
4
5
6
Pin
10
1
9
2
3
4
5
6
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
P
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
DD
)
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
CMOS
Type
Preliminary
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
I
P
= CMOS compatible input or output
= Input
= Power
Description
 2003 Microchip Technology Inc.

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