PIC18F14K22-E/ML

Product Overview

Category

The PIC18F14K22-E/ML belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control and processing capabilities.

Characteristics

• High-performance 8-bit architecture
• Flash program memory
• Low power consumption
• Wide operating voltage range
• Enhanced peripheral integration
• Small form factor

Package

The PIC18F14K22-E/ML is available in a small outline 28-pin package (ML).

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic applications.

Packaging/Quantity

The PIC18F14K22-E/ML is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Architecture: 8-bit
• Program Memory Size: 16 KB
• RAM Size: 768 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum CPU Speed: 64 MHz
• Number of I/O Pins: 25
• ADC Channels: 12
• Timers: 4
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC18F14K22-E/ML features a total of 28 pins, each serving a specific purpose. The pin configuration is as follows:

1. RA0 - Analog Input/Output
2. RA1 - Analog Input/Output
3. RA2 - Analog Input/Output
4. RA3 - Analog Input/Output
5. RA4 - Analog Input/Output
6. RA5 - Analog Input/Output
7. VSS - Ground
8. RA7 - Analog Input/Output
9. RA6 - Analog Input/Output
10. OSC1/CLKIN - Oscillator Input
11. OSC2/CLKOUT - Oscillator Output
12. VDD - Power Supply
13. RB0/INT0 - General Purpose I/O
14. RB1/INT1 - General Purpose I/O
15. RB2/INT2 - General Purpose I/O
16. RB3/CCP2 - General Purpose I/O/Capture/Compare/PWM
17. RB4/SDI/SDA - General Purpose I/O/SPI Data Input/I2C Data
18. RB5/SDO - General Purpose I/O/SPI Data Output
19. RB6/SCK/SCL - General Purpose I/O/SPI Clock/I2C Clock
20. RB7/TX/CK - General Purpose I/O/USART Transmit/USART Clock
21. RB8/RX/DT - General Purpose I/O/USART Receive/USART Data
22. RB9/PGM - General Purpose I/O/In-Circuit Serial Programming
23. RB10/PGC - General Purpose I/O/In-Circuit Debugging Clock
24. RB11/PGD - General Purpose I/O/In-Circuit Debugging Data
25. VSS - Ground
26. VDD - Power Supply
27. NC - No Connection
28. MCLR/VPP - Master Clear/Programming Voltage

Functional Features

The PIC18F14K22-E/ML offers a range of functional features that enhance its performance and versatility. Some notable features include:

• Enhanced Capture/Compare/PWM (CCP) module for precise timing control
• Analog-to-Digital Converter (ADC) with 12 channels for accurate analog signal acquisition
• Universal Synchronous Asynchronous Receiver Transmitter (USART) for serial communication
• Serial Peripheral Interface (SPI) for interfacing with external devices
• Inter-Integrated Circuit (I2C) for communication with other ICs
• In-Circuit Serial Programming (ICSP) for convenient firmware updates

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables efficient processing
• Flash program memory allows for easy reprogramming
• Low power consumption extends battery life in portable applications
• Wide operating voltage range provides flexibility in various power supply scenarios
• Enhanced peripheral integration reduces the need for additional components

Disadvantages

• Limited program memory size may restrict the complexity of applications
• Relatively small RAM size may limit the amount of data that can be processed simultaneously
• Lack of built-in Ethernet or Wi-Fi connectivity may require additional components for network communication

Working Principles

The PIC18F14K22-E/ML operates based on the principles of microcontroller architecture. It executes instructions stored in its program memory, interacts with peripherals, and processes data according to the program logic. The microcontroller's central processing unit (CPU) coordinates these operations, enabling the desired functionality.

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