PIC18F85K90-I/PT

Product Overview

• Category: Microcontroller
• Use: Embedded systems, industrial automation, consumer electronics
• Characteristics: High-performance, low-power consumption, versatile
• Package: TQFP-44
• Essence: 8-bit microcontroller with advanced features
• Packaging/Quantity: Tape and reel, 250 units per reel

Specifications

• Architecture: Enhanced Mid-range
• CPU Speed: Up to 64 MHz
• Program Memory Size: 32 KB Flash
• RAM Size: 2 KB
• Data EEPROM Size: 256 bytes
• Operating Voltage Range: 2.3V to 5.5V
• Number of I/O Pins: 36
• Analog-to-Digital Converter (ADC): 10-bit, 13 channels
• Communication Interfaces: UART, SPI, I2C
• Timers: 4 x 8-bit, 1 x 16-bit
• PWM Channels: 5
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The PIC18F85K90-I/PT microcontroller has a total of 44 pins. The pin configuration is as follows:

• Port A (RA0 - RA7)
• Port B (RB0 - RB7)
• Port C (RC0 - RC7)
• Port D (RD0 - RD7)
• Port E (RE0 - RE2)
• VDD, VSS, MCLR, OSC1, OSC2, AN0 - AN12, VREF-, VREF+

Functional Features

• Enhanced Mid-range core for improved performance and efficiency
• High-speed Flash program memory for quick code execution
• Low-power consumption for energy-efficient applications
• Multiple communication interfaces for easy integration with other devices
• Rich set of peripherals including ADC, PWM, timers, and more
• Flexible I/O pins for versatile connectivity options

Advantages and Disadvantages

Advantages: - High-performance microcontroller suitable for demanding applications - Versatile features enable a wide range of use cases - Low-power consumption extends battery life in portable devices - Ample program memory and RAM for complex algorithms - Extensive peripheral set simplifies system design

Disadvantages: - Limited program memory size compared to 16-bit or 32-bit microcontrollers - Limited RAM size may restrict the complexity of applications - Not suitable for applications requiring high computational power

Working Principles

The PIC18F85K90-I/PT microcontroller operates based on the Enhanced Mid-range architecture. It executes instructions stored in its Flash program memory and utilizes various peripherals to interact with the external world. The CPU fetches instructions from memory, performs calculations, and controls the operation of other components.

The microcontroller can communicate with other devices using UART, SPI, or I2C interfaces. It can also read analog signals through its ADC channels and generate PWM signals for precise control. The flexible I/O pins allow connection to sensors, actuators, and other external components.

Detailed Application Field Plans

The PIC18F85K90-I/PT microcontroller finds applications in various fields, including:

1. Industrial Automation: Control systems, motor control, process monitoring
2. Consumer Electronics: Home automation, smart appliances, wearable devices
3. Automotive: Engine management, dashboard control, infotainment systems
4. Medical Devices: Patient monitoring, diagnostic equipment, medical imaging
5. Internet of Things (IoT): Sensor nodes, data acquisition, edge computing

Alternative Models

If the PIC18F85K90-I/PT does not meet specific requirements, alternative microcontrollers with similar capabilities include:

1. PIC18F87K90-I/PT
2. PIC18F86K90-I/PT
3. PIC18F84K90-I/PT

These models offer similar features and pin compatibility, allowing for easy substitution in most applications.

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