PIC16F628-20E/SS

Product Overview

Category

The PIC16F628-20E/SS belongs to the category of microcontrollers.

Use

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

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 interface

Package

The PIC16F628-20E/SS is available in a small outline 20-pin SSOP package.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for a wide range of electronic devices and systems.

Packaging/Quantity

The PIC16F628-20E/SS is typically packaged in reels, with each reel containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Operating Voltage: 2.0V to 5.5V
• Maximum Clock Frequency: 20 MHz
• Flash Program Memory: 3.5 KB
• RAM Data Memory: 224 bytes
• EEPROM Data Memory: 128 bytes
• I/O Pins: 16
• Timers: 2
• ADC Resolution: 8 bits
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F628-20E/SS has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. RA0/AN0 - Analog input or digital I/O
3. RA1/AN1 - Analog input or digital I/O
4. RA2/AN2 - Analog input or digital I/O
5. RA3/AN3/VREF - Analog input or digital I/O, voltage reference
6. RA4/T0CKI/C1OUT - Timer0 clock input or digital I/O, comparator output
7. RA5/MCLR/VPP - Master Clear input or programming voltage
8. OSC1/CLKIN - Oscillator input
9. OSC2/CLKOUT - Oscillator output
10. RC0/T1OSO/T1CKI - Timer1 oscillator output or digital I/O
11. RC1/T1OSI/CCP2 - Timer1 oscillator input or digital I/O, CCP2 module
12. RC2/CCP1 - Capture/Compare/PWM module 1
13. RC3/SCK/SCL - Serial clock input or digital I/O
14. RC4/SDI/SDA - Serial data input or digital I/O
15. RC5/SDO - Serial data output
16. RC6/TX/CK - USART transmit or digital I/O, synchronous clock
17. RC7/RX/DT - USART receive or digital I/O, asynchronous data
18. VSS - Ground

Functional Features

The PIC16F628-20E/SS offers several functional features that enhance its usability and performance:

1. High-performance RISC CPU: The microcontroller is equipped with a powerful CPU that enables efficient execution of instructions.
2. Flash Program Memory: The onboard flash memory allows for easy reprogramming of the microcontroller.
3. EEPROM Data Memory: The electrically erasable programmable read-only memory (EEPROM) provides non-volatile storage for critical data.
4. Timers and Counters: The built-in timers and counters facilitate precise timing and event counting operations.
5. Analog-to-Digital Converter (ADC): The ADC enables the microcontroller to convert analog signals into digital values for processing.
6. Serial Communication Interface: The microcontroller supports various serial communication protocols, such as USART, SPI, and I2C.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows for compatibility with different power sources.
• Flash program memory enables easy firmware updates.
• Compact package size saves board space in compact designs.
• Versatile I/O ports provide flexibility for interfacing with external devices.

Disadvantages

• Limited program memory capacity may restrict the complexity of applications.
• Relatively low ADC resolution may affect the accuracy of analog measurements.
• Lack of advanced peripherals compared to more advanced microcontrollers.

Working Principles

The PIC16F628-20E/SS 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 utilizes its internal modules, such as timers, counters, and ADC