PIC16F628-04/SO

Product Overview

Category

The PIC16F628-04/SO 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
• Flash program memory
• EEPROM data memory
• I/O ports
• Timers/counters
• Analog-to-digital converter (ADC)
• Serial communication interface
• Watchdog timer
• Brown-out reset

Package

The PIC16F628-04/SO comes in a small outline (SO) package, which is suitable for surface mount applications.

Essence

The essence of the PIC16F628-04/SO lies in its ability to provide a compact and versatile solution for controlling and managing various electronic systems.

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: 20 MHz
• Program memory size: 3.5 KB
• Data memory size: 224 bytes
• I/O pins: 16
• ADC resolution: 8 bits
• Communication interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F628-04/SO has a total of 18 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0/AN0 - Analog input / Digital I/O
3. RA1/AN1 - Analog input / Digital I/O
4. RA2/AN2 - Analog input / Digital I/O
5. RA3/AN3/VREF - Analog input / Digital I/O / Voltage reference
6. RA4/T0CKI - Timer0 clock input / Digital I/O
7. RA5/MCLR/VPP - Master Clear input / Programming voltage
8. OSC1/CLKIN - Oscillator input
9. OSC2/CLKOUT - Oscillator output
10. RC0/T1OSO/T1CKI - Timer1 oscillator output / Timer1 clock input / Digital I/O
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 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 / Clock (SPI)
17. RC7/RX/DT - USART receive / Data (SPI)
18. VSS - Ground

Functional Features

The PIC16F628-04/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 enables non-volatile storage of critical information.
3. I/O ports provide connectivity to external devices and sensors.
4. Timers/counters facilitate precise timing and event counting operations.
5. The built-in ADC allows for analog signal conversion.
6. Serial communication interfaces enable seamless integration with other devices.
7. The watchdog timer ensures system reliability by detecting and recovering from faults.
8. Brown-out reset protects the microcontroller from unstable power supply conditions.

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable applications.
• High-performance RISC CPU enables efficient execution of instructions.
• Compact package size allows for space-saving designs.
• Versatile I/O capabilities provide flexibility in system integration.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• The 8-bit ADC resolution may not be sufficient for certain precision measurements.
• Lack of advanced communication protocols may limit compatibility with specific devices.

Working Principles

The PIC16F628-04/SO operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory, interacts with external devices through its I/O ports, and performs various tasks using its integrated peripherals. The microcontroller follows a sequential execution model, where each instruction is fetched, decoded, and executed in a precise order.

Detailed Application Field Plans

The PIC16F628-04/SO finds extensive 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
6. Internet of Things (IoT) devices
7. Robotics 8