PIC18LF4685-I/PT

Product Overview

Category

The PIC18LF4685-I/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 memory for program storage
• Low power consumption
• Wide operating voltage range
• Integrated peripherals for enhanced functionality

Package

The PIC18LF4685-I/PT is available in a small form factor package, making it suitable for space-constrained designs.

Essence

The essence of this microcontroller lies in its ability to provide efficient control and processing capabilities in a compact package.

Packaging/Quantity

The PIC18LF4685-I/PT is typically packaged in tape and reel format, with a quantity of 250 units per reel.

Specifications

• Architecture: 8-bit
• Program Memory Size: 32 KB
• RAM Size: 1.5 KB
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 40 MHz
• Number of I/O Pins: 36
• ADC Channels: 10
• UART Modules: 2
• Timers: 4
• Comparators: 2

Detailed Pin Configuration

The PIC18LF4685-I/PT has a total of 36 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. RE0 - General-purpose I/O pin
9. RE1 - General-purpose I/O pin
10. RE2 - General-purpose I/O pin
11. VSS - Ground
12. OSC1/CLKIN - Oscillator input
13. OSC2/CLKOUT - Oscillator output
14. RC0 - General-purpose I/O pin
15. RC1 - General-purpose I/O pin
16. RC2 - General-purpose I/O pin
17. RC3 - General-purpose I/O pin
18. RC4 - General-purpose I/O pin
19. RC5 - General-purpose I/O pin
20. RC6 - General-purpose I/O pin
21. RC7 - General-purpose I/O pin
22. RD0 - General-purpose I/O pin
23. RD1 - General-purpose I/O pin
24. RD2 - General-purpose I/O pin
25. RD3 - General-purpose I/O pin
26. RD4 - General-purpose I/O pin
27. RD5 - General-purpose I/O pin
28. RD6 - General-purpose I/O pin
29. RD7 - General-purpose I/O pin
30. VCAP - Capacitor connection for internal voltage regulator
31. VUSB - USB power supply
32. RB0 - General-purpose I/O pin
33. RB1 - General-purpose I/O pin
34. RB2 - General-purpose I/O pin
35. RB3 - General-purpose I/O pin
36. RB4 - General-purpose I/O pin

Functional Features

The PIC18LF4685-I/PT offers a range of functional features that enhance its capabilities:

• Flash memory for program storage and easy reprogramming
• Integrated analog-to-digital converters (ADC) for precise measurements
• Multiple UART modules for serial communication
• Timers for accurate timing and event generation
• Comparators for analog signal comparison
• Enhanced I/O capabilities for interfacing with external devices

Advantages and Disadvantages

Advantages

• High-performance 8-bit architecture enables efficient processing
• Flash memory allows for easy program updates
• Low power consumption extends battery life in portable applications
• Wide operating voltage range provides flexibility in various power supply scenarios
• Integrated peripherals reduce the need for external components

Disadvantages

• Limited program memory size compared to higher-end microcontrollers
• Limited RAM size may restrict complex data manipulation
• Limited number of I/O pins may limit connectivity options in larger projects

Working Principles

The PIC18LF4685-I/PT operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, interacts with peripherals, and responds to external events. The central processing unit (CPU) fetches instructions from memory, performs calculations, and controls the flow of data within the system.

Detailed Application Field Plans

The PIC18LF4685-I/PT finds applications in various fields, including but not limited to:

1. Industrial automation: Control systems, motor control,