Microchip Technology
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
PIC16F819-I/P
Ver Detalle Hojas de datos

PIC16F819-I/P

Product Overview

Category

The PIC16F819-I/P belongs to the category of microcontrollers.

Use

This microcontroller is widely used in various electronic applications that require embedded control and processing capabilities.

Characteristics

  • Low power consumption
  • High-performance RISC CPU
  • Wide operating voltage range
  • Integrated peripherals for versatile functionality
  • Enhanced flash program memory

Package

The PIC16F819-I/P is available in a 14-pin plastic dual inline package (PDIP).

Essence

The essence of the PIC16F819-I/P lies in its ability to provide efficient and reliable control and processing capabilities in a compact form factor.

Packaging/Quantity

The PIC16F819-I/P is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • CPU: 8-bit RISC
  • Program Memory: 3.5 KB Flash
  • Data Memory: 256 bytes RAM
  • Operating Voltage Range: 2.0V to 5.5V
  • Maximum Speed: 20 MHz
  • I/O Pins: 12
  • Timers: 1 x 8-bit, 1 x 16-bit
  • Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
  • Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F819-I/P has a total of 14 pins, each serving a specific purpose. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. RA0/AN0 - Analog input channel 0 / Digital I/O pin
  3. RA1/AN1 - Analog input channel 1 / Digital I/O pin
  4. RA2/AN2 - Analog input channel 2 / Digital I/O pin
  5. RA3/AN3 - Analog input channel 3 / Digital I/O pin
  6. RA4/T0CKI/C1OUT - Timer0 clock input / Digital I/O pin / Comparator output
  7. RA5/AN4/MCLR/VPP - Analog input channel 4 / Master Clear input / Programming voltage supply
  8. VSS - Ground
  9. RB0/INT - External interrupt input / Digital I/O pin
  10. RB1/SDI/SDA - SPI data input / I2C data input / Digital I/O pin
  11. RB2/SDO/PGM - SPI data output / In-Circuit Serial Programming (ICSP) programming pin
  12. RB3/SCK/SCL - SPI clock input / I2C clock input / Digital I/O pin
  13. RB4/PGC - ICSP programming clock pin
  14. RB5/PGD - ICSP programming data pin

Functional Features

The PIC16F819-I/P offers several functional features that enhance its usability and performance:

  • Enhanced Flash program memory for easy firmware updates
  • Integrated analog-to-digital converter (ADC) for precise analog signal measurements
  • Multiple communication interfaces (USART, SPI, I2C) for seamless connectivity with other devices
  • Timers for accurate timing control
  • Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

  • Compact size and low power consumption make it suitable for portable and battery-powered applications.
  • Versatile functionality with integrated peripherals allows for a wide range of applications.
  • Easy to program and update firmware using in-circuit serial programming (ICSP).
  • Cost-effective solution for embedded control applications.

Disadvantages

  • Limited program memory and data memory compared to higher-end microcontrollers.
  • Limited number of I/O pins may restrict the number of external devices that can be connected.

Working Principles

The PIC16F819-I/P operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory to perform various tasks. The microcontroller interacts with external devices through its I/O pins and utilizes its integrated peripherals to provide additional functionality.

Detailed Application Field Plans

The PIC16F819-I/P finds applications 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
  6. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the PIC16F819-I/P. Some notable alternatives include:

  1. PIC16F818-I/P
  2. PIC16F870-I/P
  3. PIC16F877A-I/P
  4. ATmega328P-PU
  5. STM32F103C8T6

These alternative models provide varying features and capabilities, allowing users to choose the most suitable

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PIC16F819-I/P en soluciones técnicas

  1. What is the maximum operating frequency of PIC16F819-I/P?
    - The maximum operating frequency of PIC16F819-I/P is 20 MHz.

  2. How many I/O pins does PIC16F819-I/P have?
    - PIC16F819-I/P has a total of 18 I/O pins.

  3. What is the flash program memory size of PIC16F819-I/P?
    - The flash program memory size of PIC16F819-I/P is 3.5 KB.

  4. Can PIC16F819-I/P be used for analog-to-digital conversion?
    - Yes, PIC16F819-I/P features an 8-channel 10-bit analog-to-digital converter (ADC).

  5. Does PIC16F819-I/P support serial communication protocols?
    - Yes, PIC16F819-I/P supports USART, SPI, and I2C serial communication protocols.

  6. What are the power supply voltage requirements for PIC16F819-I/P?
    - PIC16F819-I/P operates within a voltage range of 2.0V to 5.5V.

  7. Is PIC16F819-I/P suitable for battery-powered applications?
    - Yes, PIC16F819-I/P's low power consumption makes it suitable for battery-powered applications.

  8. Can PIC16F819-I/P be programmed using in-circuit programming (ICSP)?
    - Yes, PIC16F819-I/P supports in-circuit programming for easy firmware updates.

  9. What development tools are available for programming PIC16F819-I/P?
    - Development tools such as MPLAB X IDE and PICkit programmers can be used to program PIC16F819-I/P.

  10. Are there any application notes or reference designs available for using PIC16F819-I/P in technical solutions?
    - Yes, Microchip provides application notes and reference designs to assist in implementing PIC16F819-I/P in various technical solutions.