Microchip Technology
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
PIC16F84A-04/SO
Ver Detalle Hojas de datos

PIC16F84A-04/SO

Product Overview

Category

The PIC16F84A-04/SO belongs to the category of microcontrollers.

Use

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

Characteristics

  • Low power consumption
  • High-performance RISC CPU
  • Flash program memory
  • EEPROM data memory
  • I/O ports
  • Timers/counters
  • Serial communication interface
  • Analog-to-digital converter (ADC)
  • Watchdog timer
  • Power-saving sleep mode

Package

The PIC16F84A-04/SO is available in a small outline (SO) package.

Essence

The essence of the PIC16F84A-04/SO lies in its ability to provide a cost-effective solution for embedded control applications.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Operating voltage: 2.0V to 5.5V
  • Maximum CPU frequency: 4 MHz
  • Program memory size: 1K words
  • Data memory size: 68 bytes
  • I/O pins: 13
  • ADC resolution: 8 bits
  • Timer modules: 1 x 8-bit, 1 x 16-bit
  • Communication interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F84A-04/SO has a total of 18 pins, each serving a specific purpose. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. RA2/AN2/CVREF/VREF - Analog input channel 2 / Comparator reference voltage
  3. RA3/AN3/VREF - Analog input channel 3 / Comparator reference voltage
  4. RA4/T0CKI/C1OUT - Timer0 clock input / Comparator output
  5. MCLR/VPP - Master Clear input / Programming voltage
  6. RA0/AN0 - Analog input channel 0
  7. RA1/AN1 - Analog input channel 1
  8. OSC1/CLKI - Oscillator input
  9. OSC2/CLKO - Oscillator output
  10. RC0/T1OSO/T1CKI - Timer1 oscillator output / Timer1 clock input
  11. RC1/T1OSI/CCP2 - Timer1 oscillator input / Capture/Compare/PWM module 2
  12. RC2/CCP1 - Capture/Compare/PWM module 1
  13. RC3/SCK/SCL - Serial clock (SPI/I2C)
  14. RC4/SDI/SDA - Serial data input (SPI/I2C)
  15. RC5/SDO - Serial data output (SPI)
  16. VSS - Ground
  17. RB0/INT - External interrupt input
  18. RB1 - General-purpose I/O

Functional Features

The PIC16F84A-04/SO offers several functional features that enhance its usability and performance:

  1. Flash program memory allows for easy reprogramming of the microcontroller.
  2. EEPROM data memory provides non-volatile storage for critical data.
  3. I/O ports enable communication with external devices and peripherals.
  4. Timers/counters facilitate precise timing and event counting operations.
  5. Serial communication interface enables communication with other devices using protocols like SPI and I2C.
  6. Analog-to-digital converter (ADC) allows for conversion of analog signals to digital values.
  7. Watchdog timer ensures system reliability by resetting the microcontroller in case of a software or hardware failure.
  8. Power-saving sleep mode conserves energy when the microcontroller is idle.

Advantages and Disadvantages

Advantages

  • Low power consumption makes it suitable for battery-powered applications.
  • High-performance RISC CPU provides efficient processing capabilities.
  • Flash program memory allows for easy firmware updates.
  • Wide operating voltage range enhances compatibility with various power sources.

Disadvantages

  • Limited program memory size may restrict the complexity of applications.
  • Limited data memory size may pose challenges when handling large datasets.
  • Lack of advanced peripherals may limit functionality in certain applications.

Working Principles

The PIC16F84A-04/SO operates based on the principles of a reduced instruction set computer (RISC) architecture. It executes instructions stored in its program memory, manipulating data from its data memory and interacting with external devices through its I/O ports. The microcontroller's internal clock drives the execution of instructions, while timers and interrupts enable precise timing and event-driven operations.

Detailed Application Field Plans

The PIC16F84A-04/SO finds application in various fields, including but not limited to:

  1. Home automation systems
  2. Industrial control systems
  3. Automotive electronics
  4. Medical devices
  5. Consumer electronics

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PIC16F84A-04/SO en soluciones técnicas

  1. What is the maximum clock frequency of PIC16F84A-04/SO?
    - The maximum clock frequency of PIC16F84A-04/SO is 4 MHz.

  2. How many I/O pins does PIC16F84A-04/SO have?
    - PIC16F84A-04/SO has a total of 13 I/O pins.

  3. What is the program memory size of PIC16F84A-04/SO?
    - The program memory size of PIC16F84A-04/SO is 1K x 14 (words).

  4. Can PIC16F84A-04/SO be used for controlling motors?
    - Yes, PIC16F84A-04/SO can be used to control small motors with appropriate driver circuits.

  5. Does PIC16F84A-04/SO have built-in analog-to-digital conversion (ADC) capability?
    - No, PIC16F84A-04/SO does not have built-in ADC capability.

  6. What are the communication interfaces supported by PIC16F84A-04/SO?
    - PIC16F84A-04/SO supports serial communication using its USART module.

  7. Is PIC16F84A-04/SO suitable for battery-powered applications?
    - Yes, PIC16F84A-04/SO is suitable for battery-powered applications due to its low power consumption.

  8. Can PIC16F84A-04/SO be programmed in-circuit?
    - Yes, PIC16F84A-04/SO can be programmed in-circuit using a suitable programmer.

  9. What are the typical applications of PIC16F84A-04/SO?
    - Typical applications of PIC16F84A-04/SO include simple embedded control systems, LED display control, and sensor interfacing.

  10. Is PIC16F84A-04/SO suitable for beginner-level projects?
    - Yes, PIC16F84A-04/SO is often used in beginner-level projects due to its simplicity and ease of use.