PIC16F628-04I/SS

Product Overview

Category

The PIC16F628-04I/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 PIC16F628-04I/SS is available in a small outline 20-pin SSOP package, which allows for compact and space-efficient designs.

Essence

The essence of the PIC16F628-04I/SS lies in its ability to provide a cost-effective solution for embedded control applications, offering a wide range of features and functionality.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Operating Voltage: 2.0V to 5.5V
• CPU Speed: 4 MHz
• Program Memory Size: 3.5 KB
• RAM Size: 224 bytes
• Data EEPROM Size: 128 bytes
• I/O Pins: 16
• ADC Channels: 8
• Timers: 2
• Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The PIC16F628-04I/SS has a total of 20 pins, each serving a specific purpose. The pin configuration is as follows:

1. RA2/AN2/CVREF/VREF - Analog input/Comparator reference voltage
2. RA3/AN3/VREF - Analog input/Comparator reference voltage
3. RA4/T0CKI/C1OUT - Timer0 clock input/Comparator output
4. RA5/AN4/SS/HLVDIN - Analog input/Slave select for SPI/High/Low voltage detect input
5. MCLR/VPP - Master clear (reset) input
6. VSS - Ground
7. RB0/INT/CCP1 - External interrupt/CCP module pin
8. RB1/SDI/SDA - Serial data input for SPI/I2C
9. RB2/SDO/RX/DT - Serial data output for SPI/USART receive data
10. RB3/PGM/PGC - Programming mode/Programming clock
11. RB4/PGD - Programming data
12. RB5/CK/SS - Clock input for USART/Slave select for SPI
13. RB6/TX/CK - USART transmit data/Clock input for USART
14. RB7/OSC1 - Oscillator crystal input
15. RB7/OSC2 - Oscillator crystal output
16. VDD - Power supply
17. RC0/T1OSO/T1CKI - Timer1 oscillator output/Timer1 clock input
18. RC1/T1OSI/CCP2 - Timer1 oscillator input/CCP module pin
19. RC2/CCP1 - CCP module pin
20. RC3/SCL - Serial clock for I2C

Functional Features

The PIC16F628-04I/SS offers a range of functional features that make it suitable for various applications. Some of the key features include:

• High-performance RISC CPU with 35 instructions
• Flash program memory for easy reprogramming
• EEPROM data memory for non-volatile storage
• I/O ports with programmable pull-up resistors for simplified interfacing
• Timers and counters for precise timing control
• Analog-to-digital converter (ADC) for analog signal processing
• Serial communication interfaces (USART, SPI, I2C) for data exchange

Advantages and Disadvantages

Advantages

• Low power consumption enables energy-efficient designs
• Wide operating voltage range allows for flexibility in power supply selection
• Flash program memory facilitates easy firmware updates
• Compact package size saves space in electronic designs
• Versatile I/O ports and communication interfaces enhance connectivity options

Disadvantages

• Limited program memory size may restrict the complexity of applications
• Relatively small RAM size may limit the amount of data that can be processed simultaneously
• Lack of built-in peripherals such as USB or Ethernet may require additional components for certain applications

Working Principles

The PIC16F628-04I/SS operates based on the principles of a RISC (Reduced Instruction Set Computer) architecture. It executes instructions stored in its program memory to perform various tasks. The microcontroller interacts with external devices through its I/O pins and communication interfaces, enabling it to receive inputs, process data,