PIC16F819-I/SO

Product Overview

Category

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

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• Low power consumption
• High-performance RISC CPU
• Wide operating voltage range
• Flash program memory
• EEPROM data memory
• I/O ports with programmable pull-up resistors
• Timers and counters
• Analog-to-digital converter (ADC)
• Serial communication interfaces

Package

The PIC16F819-I/SO is available in a small outline (SO) package, which allows for easy integration into compact electronic designs.

Essence

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

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• CPU: 8-bit RISC
• Program Memory Size: 3.5 KB
• RAM Size: 256 bytes
• Data EEPROM Size: 128 bytes
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Speed: 20 MHz
• I/O Pins: 18
• ADC Channels: 5
• Timers: 3
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F819-I/SO has a total of 18 pins, each serving a specific purpose. The pin configuration is as follows:

1. RA2 - Analog Input/Output
2. RA3 - Analog Input/Output
3. RA4/T0CKI - Analog Input/Output / Timer0 Clock Input
4. RA5/AN4 - Analog Input/Output
5. VSS - Ground
6. RA0/AN0 - Analog Input/Output
7. RA1/AN1 - Analog Input/Output
8. OSC1/CLKIN - Oscillator Crystal Input
9. OSC2/CLKOUT - Oscillator Crystal Output
10. RC0/T1OSO/T1CKI - Timer1 Output / Timer1 Clock Input
11. RC1/T1OSI/CCP2 - Timer1 Output / Timer1 Input / CCP2 Input
12. RC2/CCP1 - CCP1 Input/Output
13. RC3/SCK/SCL - Serial Clock Input (SPI/I2C)
14. RC4/SDI/SDA - Serial Data Input (SPI/I2C)
15. RC5/SDO - Serial Data Output (SPI)
16. RC6/TX/CK - USART Transmit/Serial Clock Output
17. RC7/RX/DT - USART Receive/Data Terminal
18. VDD - Power Supply

Functional Features

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

• Flash program memory for storing the application code
• EEPROM data memory for non-volatile storage
• I/O ports with programmable pull-up resistors for easy interfacing with external devices
• Timers and counters for precise timing operations
• Analog-to-digital converter (ADC) for converting analog signals to digital values
• Serial communication interfaces (USART, SPI, I2C) for data exchange with other devices

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications
• High-performance RISC CPU enables efficient processing of instructions
• Wide operating voltage range allows for flexibility in different power supply scenarios
• Compact form factor (SO package) facilitates integration into space-constrained designs

Disadvantages

• Limited program memory size may restrict the complexity of applications
• Limited RAM size may impose constraints on data storage and manipulation
• Lack of advanced peripherals compared to more advanced microcontrollers

Working Principles

The PIC16F819-I/SO operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, processes data using its CPU, and interacts with external devices through its I/O ports and communication interfaces.

Detailed Application Field Plans

The PIC16F819-I/SO 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

In these fields, the microcontroller can be used for tasks such as sensor interfacing, data processing, motor control, communication, and user interface implementation.

Detailed and Complete Alternative Models

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

1. PIC16