PIC18F442-E/PT

Product Overview

Category

The PIC18F442-E/PT 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-based program memory
• Wide operating voltage range
• Low power consumption
• Enhanced peripheral integration
• Extensive connectivity options

Package

The PIC18F442-E/PT is available in a PT package, which stands for Plastic Thin Quad Flat Pack. This package offers a compact and durable form factor suitable for surface mount applications.

Essence

The essence of the PIC18F442-E/PT lies in its ability to provide efficient and reliable control and processing capabilities in a wide range of electronic devices.

Packaging/Quantity

The PIC18F442-E/PT is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Microcontroller Family: PIC18F
• CPU Speed: Up to 40 MHz
• Program Memory Size: 16 KB
• RAM Size: 768 bytes
• Number of I/O Pins: 36
• ADC Channels: 10
• UART Modules: 2
• SPI Modules: 1
• I2C Modules: 1
• Operating Voltage Range: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18F442-E/PT features a total of 44 pins, each serving a specific purpose. Here is a detailed pin configuration:

• Pin 1: VDD (Power Supply)
• Pin 2: RA0/AN0 (Analog Input/Output)
• Pin 3: RA1/AN1 (Analog Input/Output)
• Pin 4: RA2/AN2 (Analog Input/Output)
• Pin 5: RA3/AN3/VREF-/CVREF (Analog Input/Output, Voltage Reference)
• Pin 6: RA4/T0CKI/C1OUT/RCV (Timer0 Clock Input, Comparator Output, UART Receiver)
• Pin 7: RA5/AN4/SS/HLVDIN (Analog Input/Output, Slave Select, High/Low Voltage Detect Input)
• Pin 8: RE0/RD/AN5 (Port E Bit 0, Port D, Analog Input/Output)
• Pin 9: RE1/WR/AN6 (Port E Bit 1, Port W, Analog Input/Output)
• Pin 10: RE2/CS/AN7 (Port E Bit 2, Chip Select, Analog Input/Output)
• ... (continued)

Functional Features

The PIC18F442-E/PT offers a range of functional features that enhance its performance and versatility. Some notable features include:

• Enhanced Capture/Compare/PWM (ECCP) module for advanced motor control applications
• Enhanced USART module for serial communication
• Enhanced Master Synchronous Serial Port (MSSP) module supporting I2C and SPI protocols
• Analog-to-Digital Converter (ADC) module for precise analog signal acquisition
• Timers and counters for accurate timing and event management
• Interrupt handling capabilities for efficient multitasking
• Low-power modes for energy-efficient operation

Advantages and Disadvantages

Advantages

• High-performance architecture enables fast and efficient processing
• Flash-based program memory allows for easy reprogramming
• Extensive peripheral integration reduces the need for external components
• Wide operating voltage range accommodates various power supply configurations
• Low power consumption prolongs battery life in portable applications

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 certain advanced features found in higher-end microcontrollers

Working Principles

The PIC18F442-E/PT operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with external devices through its I/O pins, and utilizes its integrated peripherals to perform various tasks. The microcontroller's central processing unit (CPU) coordinates these operations, enabling the device to function as intended.

Detailed Application Field Plans

The PIC18F442-E/PT finds application in a wide range of fields, including but not limited to:

1. Industrial automation: Control systems, monitoring devices, and data acquisition units.
2. Consumer electronics: Home appliances, gaming consoles, and audio/video equipment.
3. Automotive: Engine control units, dashboard displays, and vehicle diagnostics.
4. Medical devices: Patient monitoring systems, diagnostic equipment, and wearable health trackers