PIC16F628-20E/SO

Product Overview

Category

The PIC16F628-20E/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 with programmable pull-up resistors
• Timers and counters
• Analog-to-digital converter (ADC)
• Serial communication interface (USART, SPI, or I2C)
• Watchdog Timer
• Brown-out Reset

Package

The PIC16F628-20E/SO is available in a small outline (SO) package.

Essence

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

Packaging/Quantity

The PIC16F628-20E/SO is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

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
• ADC Resolution: 8 bits
• Timers: 2
• USART/SPI/I2C: Yes
• Watchdog Timer: Yes
• Brown-out Reset: Yes

Detailed Pin Configuration

The PIC16F628-20E/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 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
6. RA4/T0CKI/C1OUT - Timer0 clock input or digital I/O
7. RA5/MCLR/VPP - Master Clear input or programming voltage
8. GND - Ground
9. OSC1/CLKIN - Oscillator input
10. OSC2/CLKOUT - Oscillator output
11. RC0/T1OSO/T1CKI - Timer1 oscillator output or digital I/O
12. RC1/T1OSI/CCP2 - Timer1 oscillator input or digital I/O
13. RC2/CCP1 - Capture/Compare/PWM module or digital I/O
14. RC3/SCK/SCL - Serial clock input or digital I/O
15. RC4/SDI/SDA - Serial data input or digital I/O
16. RC5/SDO - Serial data output or digital I/O
17. VSS - Ground
18. RB7/PGD - Programming/data pin

Functional Features

The PIC16F628-20E/SO 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 non-volatile EEPROM memory retains data even when power is lost, ensuring data integrity.
4. I/O Ports: The microcontroller provides multiple I/O ports with programmable pull-up resistors, allowing for flexible interfacing with external devices.
5. Timers and Counters: Integrated timers and counters enable precise timing and event counting capabilities.
6. Analog-to-Digital Converter (ADC): The built-in ADC allows for the conversion of analog signals into digital values, expanding the microcontroller's sensing capabilities.
7. Serial Communication Interface: The microcontroller supports various serial communication protocols such as USART, SPI, or I2C, facilitating data exchange with other devices.
8. Watchdog Timer: The watchdog timer ensures system reliability by resetting the microcontroller in case of software or hardware failures.
9. Brown-out Reset: This feature protects the microcontroller from voltage fluctuations, preventing erratic behavior.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• High-performance CPU enables efficient execution of instructions.
• Flash program memory allows for easy reprogramming.
• Multiple I/O ports provide flexibility in interfacing with external devices.
• Integrated timers and counters offer precise timing and event counting capabilities.

Disadvantages

• Limited RAM data memory may restrict the complexity of applications.
• 8-bit ADC resolution may not be sufficient for certain high-precision measurements.
• Lack of advanced peripherals compared