PIC18F442T-I/L

Product Overview

Category

The PIC18F442T-I/L 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 PIC18F442T-I/L is available in a 44-pin package.

Essence

The essence of the PIC18F442T-I/L lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic applications.

Packaging/Quantity

The PIC18F442T-I/L is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Architecture: 8-bit
• Program Memory Size: 16 KB
• RAM Size: 768 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 40 MHz
• Number of I/O Pins: 36
• Analog-to-Digital Converter (ADC) Channels: 13
• Timers: 4
• Communication Interfaces: UART, SPI, I2C
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PIC18F442T-I/L has a total of 44 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0 - General-purpose I/O pin
3. RA1 - General-purpose I/O pin
4. RA2 - General-purpose I/O pin
5. RA3 - General-purpose I/O pin
6. RA4 - General-purpose I/O pin
7. RA5 - General-purpose I/O pin
8. VSS - Ground
9. OSC1/CLKIN - Oscillator input
10. OSC2/CLKOUT - Oscillator output
11. RC0 - General-purpose I/O pin
12. RC1 - General-purpose I/O pin
13. RC2 - General-purpose I/O pin
14. RC3 - General-purpose I/O pin
15. RC4 - General-purpose I/O pin
16. RC5 - General-purpose I/O pin
17. RB0 - General-purpose I/O pin
18. RB1 - General-purpose I/O pin
19. RB2 - General-purpose I/O pin
20. RB3 - General-purpose I/O pin
21. RB4 - General-purpose I/O pin
22. RB5 - General-purpose I/O pin
23. RB6 - General-purpose I/O pin
24. RB7 - General-purpose I/O pin
25. RB8 - General-purpose I/O pin
26. RB9 - General-purpose I/O pin
27. RB10 - General-purpose I/O pin
28. RB11 - General-purpose I/O pin
29. RB12 - General-purpose I/O pin
30. RB13 - General-purpose I/O pin
31. RB14 - General-purpose I/O pin
32. RB15 - General-purpose I/O pin
33. VCAP - Capacitor connection for voltage regulator
34. VUSB - USB power supply
35. VDDCORE - Core voltage supply
36. VSSCORE - Core voltage ground
37. AVDD - Analog power supply
38. AVSS - Analog ground
39. AN0 - Analog input channel
40. AN1 - Analog input channel
41. AN2 - Analog input channel
42. AN3 - Analog input channel
43. AN4 - Analog input channel
44. AN5 - Analog input channel

Functional Features

The PIC18F442T-I/L offers a range of functional features that enhance its performance and versatility. Some notable features include:

• Flash memory for program storage
• Enhanced capture/compare/PWM (ECCP) module
• Enhanced USART module with support for LIN bus communication
• Master Synchronous Serial Port (MSSP) module supporting I2C and SPI protocols
• 10-bit Analog-to-Digital Converter (ADC)
• Power-saving Sleep mode
• Brown-out Reset (BOR) feature
• Watchdog Timer (WDT) for system reliability

Advantages and Disadvantages

Advantages

• High-performance architecture for efficient processing
• Wide operating voltage range allows flexibility in power supply selection
• Extensive peripheral integration reduces the need for external components
• Low power consumption for energy-efficient designs
• Flash-based program memory enables easy reprogramming

Disadvantages

• Limited program memory size compared to higher-end microcontrollers
• Limited RAM size may restrict complex data processing capabilities
• Lack of built-in Ethernet