PIC18C442/JW

Product Overview

Category

The PIC18C442/JW belongs to the category of microcontrollers.

Use

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

Characteristics

• High-performance 8-bit microcontroller
• Low power consumption
• Wide operating voltage range
• Integrated peripherals for enhanced functionality
• Ample program and data memory

Package

The PIC18C442/JW is available in a compact and durable package, suitable for surface mount technology (SMT) assembly.

Essence

This microcontroller combines advanced features and performance, making it an ideal choice for demanding applications that require efficient control and processing capabilities.

Packaging/Quantity

The PIC18C442/JW is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

• Architecture: 8-bit RISC
• CPU Speed: Up to 40 MHz
• Program Memory Size: 16 KB
• Data Memory Size: 768 bytes
• Number of I/O Pins: 35
• Operating Voltage Range: 2.0V to 5.5V
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit, up to 13 channels
• Timers: Multiple timers/counters with various modes

Detailed Pin Configuration

The PIC18C442/JW has a total of 35 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground reference
3. RA0 - General-purpose I/O pin
4. RA1 - General-purpose I/O pin
5. RA2 - General-purpose I/O pin
6. RA3 - General-purpose I/O pin
7. RA4 - General-purpose I/O pin
8. RA5 - General-purpose I/O pin
9. MCLR - Master Clear input
10. OSC1 - Oscillator input
11. OSC2 - Oscillator output
12. RC0 - General-purpose I/O pin
13. RC1 - General-purpose I/O pin
14. RC2 - General-purpose I/O pin
15. RC3 - General-purpose I/O pin
16. RC4 - General-purpose I/O pin
17. RC5 - General-purpose I/O pin
18. RB0 - General-purpose I/O pin
19. RB1 - General-purpose I/O pin
20. RB2 - General-purpose I/O pin
21. RB3 - General-purpose I/O pin
22. RB4 - General-purpose I/O pin
23. RB5 - General-purpose I/O pin
24. RB6 - General-purpose I/O pin
25. RB7 - General-purpose I/O pin
26. RB8 - General-purpose I/O pin
27. RB9 - General-purpose I/O pin
28. RB10 - General-purpose I/O pin
29. RB11 - General-purpose I/O pin
30. RB12 - General-purpose I/O pin
31. RB13 - General-purpose I/O pin
32. RB14 - General-purpose I/O pin
33. RB15 - General-purpose I/O pin
34. VCAP - Capacitor connection for internal voltage regulator
35. VSS - Ground reference

Functional Features

The PIC18C442/JW offers a range of functional features that enhance its capabilities:

• High-speed processing and execution of instructions
• Flexible I/O configuration for interfacing with external devices
• Integrated communication interfaces for seamless data transfer
• On-chip memory for program storage and data handling
• Analog-to-digital conversion for sensor interfacing
• Timers and counters for precise timing and event management

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for demanding applications
• Low power consumption for energy-efficient designs
• Ample program and data memory for complex algorithms
• Integrated peripherals reduce the need for external components
• Wide operating voltage range allows for versatile applications

Disadvantages

• Limited program memory size compared to some other microcontrollers
• Relatively higher cost compared to lower-end microcontrollers
• Steeper learning curve for beginners due to advanced features and capabilities

Working Principles

The PIC18C442/JW operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, manipulating data using its central processing unit (CPU) and interacting with external devices through its I/O pins. The microcontroller's internal clock generates timing signals for synchronization, ensuring accurate execution of instructions.

Detailed Application Field Plans

The PIC18C442/JW finds applications in various fields, including but not limited to:

1. Industrial automation: Control systems, motor control, and monitoring devices.