PIC16F627A-I/SO

Product Overview

Category

The PIC16F627A-I/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/I2C/SPI)
• Watchdog Timer (WDT)
• Brown-out Reset (BOR)

Package

The PIC16F627A-I/SO is available in a small outline (SO) package, which allows for easy integration into compact electronic devices.

Essence

The essence of the PIC16F627A-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 each reel/tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Microcontroller Family: PIC16F
• Program Memory Size: 1.75 KB
• RAM Size: 128 bytes
• Number of I/O Pins: 16
• Operating Voltage Range: 2.0V to 5.5V
• Maximum Clock Speed: 20 MHz
• ADC Resolution: 8-bit
• Communication Interfaces: USART, I2C, SPI

Detailed Pin Configuration

The PIC16F627A-I/SO has a total of 18 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. RA2/AN2/CVREF/VREF - Analog input channel 2 / Comparator voltage reference input / Voltage reference output
2. RA3/AN3/VREF - Analog input channel 3 / Voltage reference input
3. RA4/T0CKI/C1OUT - Timer0 clock input / Comparator output
4. MCLR/VPP - Master Clear (Reset) input / Programming voltage input
5. RA0/AN0 - Analog input channel 0
6. RA1/AN1 - Analog input channel 1
7. OSC1/CLKIN - Oscillator crystal input
8. OSC2/CLKOUT - Oscillator crystal output
9. RC0/T1OSO/T1CKI - Timer1 oscillator output / Timer1 clock input
10. RC1/T1OSI/CCP2 - Timer1 oscillator input / Capture/Compare/PWM 2
11. RC2/CCP1 - Capture/Compare/PWM 1
12. RC3/SCL/SDA - I2C bus clock line / I2C bus data line
13. VDD - Positive power supply
14. VSS - Ground
15. RC4/SDI/SDA - SPI data input / I2C bus data line
16. RC5/SDO/SCL - SPI data output / I2C bus clock line
17. RC6/TX/CK - USART transmit data / USART synchronous clock
18. RC7/RX/DT - USART receive data / USART asynchronous clock

Functional Features

The PIC16F627A-I/SO offers several functional features that enhance its usability and performance:

• Flash program memory allows for easy reprogramming of the microcontroller.
• EEPROM data memory provides non-volatile storage for critical data.
• I/O ports with programmable pull-up resistors simplify interfacing with external devices.
• Timers and counters enable precise timing and event counting capabilities.
• The built-in ADC allows for analog signal conversion.
• Serial communication interfaces (USART/I2C/SPI) facilitate data exchange with other devices.
• Watchdog Timer (WDT) ensures system reliability by detecting and recovering from software failures.
• Brown-out Reset (BOR) protects the microcontroller from voltage fluctuations.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• High-performance RISC CPU enables efficient execution of instructions.
• Compact form factor allows for integration into space-constrained designs.
• Wide operating voltage range provides flexibility in various power supply scenarios.
• Multiple communication interfaces offer versatility in connecting with external devices.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• The 8-bit ADC resolution may not be sufficient for high-precision analog measurements.
• The number of I/O pins (16) may be insufficient for complex projects requiring extensive interfacing.

Working Principles

The PIC16F627A-I/SO operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory,