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PIC18F85J50-I/PT
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PIC18F85J50-I/PT

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, Internet of Things (IoT) applications
  • Characteristics: High-performance, low-power consumption, USB connectivity
  • Package: TQFP-44
  • Essence: A microcontroller designed for various embedded applications with USB connectivity.

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 48 MHz
  • Program Memory Size: 64 KB
  • RAM Size: 3.8 KB
  • Data EEPROM Size: 256 bytes
  • Number of I/O Pins: 36
  • ADC Channels: 12
  • UART Modules: 2
  • SPI Modules: 1
  • I2C Modules: 1
  • USB: Full-Speed USB 2.0
  • Operating Voltage Range: 2.0V to 5.5V
  • Temperature Range: -40°C to +125°C

Pin Configuration

The PIC18F85J50-I/PT microcontroller has a total of 44 pins. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. VSS - Ground
  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/VPP - Master Clear input or programming voltage
  10. RB0 - General-purpose I/O pin
  11. RB1 - General-purpose I/O pin
  12. RB2 - General-purpose I/O pin
  13. RB3 - General-purpose I/O pin
  14. RB4 - General-purpose I/O pin
  15. RB5 - General-purpose I/O pin
  16. RB6 - General-purpose I/O pin
  17. RB7 - General-purpose I/O pin
  18. VUSB - USB power supply voltage
  19. RC0 - General-purpose I/O pin
  20. RC1 - General-purpose I/O pin
  21. RC2 - General-purpose I/O pin
  22. RC3 - General-purpose I/O pin
  23. RC4 - General-purpose I/O pin
  24. RC5 - General-purpose I/O pin
  25. RC6 - General-purpose I/O pin
  26. RC7 - General-purpose I/O pin
  27. OSC1/CLKI - Oscillator input or external clock input
  28. OSC2/CLKO - Oscillator output or clock output
  29. RD0 - General-purpose I/O pin
  30. RD1 - General-purpose I/O pin
  31. RD2 - General-purpose I/O pin
  32. RD3 - General-purpose I/O pin
  33. RD4 - General-purpose I/O pin
  34. RD5 - General-purpose I/O pin
  35. RD6 - General-purpose I/O pin
  36. RD7 - General-purpose I/O pin
  37. RE0 - General-purpose I/O pin
  38. RE1 - General-purpose I/O pin
  39. RE2 - General-purpose I/O pin
  40. RE3 - General-purpose I/O pin
  41. RE4 - General-purpose I/O pin
  42. RE5 - General-purpose I/O pin
  43. RE6 - General-purpose I/O pin
  44. RE7 - General-purpose I/O pin

Functional Features

  • High-performance 8-bit microcontroller with USB connectivity
  • Low-power consumption for energy-efficient applications
  • Wide operating voltage range for flexibility in power supply options
  • Ample program memory and RAM for complex applications
  • Multiple I/O pins for interfacing with external devices
  • Built-in ADC channels for analog signal processing
  • UART, SPI, and I2C modules for communication with other devices
  • Full-Speed USB 2.0 for easy connectivity to computers and other USB devices

Advantages and Disadvantages

Advantages: - High-performance and low-power consumption - USB connectivity simplifies communication with other devices - Ample program memory and RAM for complex applications - Wide operating voltage range allows flexibility in power supply options

Disadvantages: - Limited number of I/O pins compared to some other microcontrollers - May require additional components for certain applications

Working Principles

The PIC18F85J50-I/PT microcontroller operates based on an 8-bit architecture. It executes instructions stored in its program memory to perform various tasks. The microcontroller can communicate with external devices through its I/O pins, UART, SPI, and I2C modules. It can also connect to a computer or other USB devices using its built-in USB interface.

Application Field Plans

The PIC18F85J50-I/PT micro

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PIC18F85J50-I/PT en soluciones técnicas

  1. What is the maximum operating frequency of PIC18F85J50-I/PT?
    - The maximum operating frequency of PIC18F85J50-I/PT is 48 MHz.

  2. What are the key features of PIC18F85J50-I/PT?
    - Some key features of PIC18F85J50-I/PT include USB 2.0, 12-bit ADC, and up to 64 KB flash memory.

  3. Can PIC18F85J50-I/PT be used for USB communication?
    - Yes, PIC18F85J50-I/PT has built-in USB 2.0 support for communication applications.

  4. What programming languages can be used to program PIC18F85J50-I/PT?
    - PIC18F85J50-I/PT can be programmed using C, Assembly, and other high-level languages supported by Microchip's MPLAB IDE.

  5. Is PIC18F85J50-I/PT suitable for low-power applications?
    - Yes, PIC18F85J50-I/PT offers low-power modes and features, making it suitable for battery-powered or energy-efficient applications.

  6. What peripherals are integrated into PIC18F85J50-I/PT?
    - PIC18F85J50-I/PT integrates peripherals such as UART, SPI, I2C, PWM, and more for versatile connectivity and control options.

  7. Can PIC18F85J50-I/PT be used in industrial automation applications?
    - Yes, PIC18F85J50-I/PT is suitable for industrial automation due to its robust features and communication capabilities.

  8. What development tools are available for PIC18F85J50-I/PT?
    - Microchip provides development tools such as MPLAB X IDE, compilers, and debuggers specifically designed for PIC microcontrollers.

  9. Does PIC18F85J50-I/PT support real-time operating systems (RTOS)?
    - Yes, PIC18F85J50-I/PT can be used with various RTOS for multitasking and time-critical applications.

  10. Are there any application notes or reference designs available for PIC18F85J50-I/PT?
    - Yes, Microchip provides application notes, reference designs, and technical documentation to assist in the implementation of PIC18F85J50-I/PT in various technical solutions.