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About
The PIC16F628A-I/P is an 8-bit microcontroller from Microchip Technology, designed with versatility and ease of use in mind, making it suitable for a wide range of applications from simple to complex projects. This microcontroller is part of Microchip’s extensive PIC family, known for their efficiency and reliability in embedded systems.
Features
The PIC16F628A-I/P from Microchip Technology is a versatile and widely used 8-bit microcontroller that packs a range of features suitable for a multitude of applications, from simple DIY projects to complex industrial systems. Here’s a detailed overview of its key features:
Core & Memory
- High-performance RISC CPU: Utilizes Microchip’s PIC architecture, optimized for speed and efficiency in instruction execution.
- 3.5KB of Flash Program Memory: Allows ample space for application code, with high endurance for frequent reprogramming.
- 128 Bytes of EEPROM Data Memory: Ideal for storing non-volatile data that must be preserved between resets.
- 224 Bytes of SRAM: Provides volatile memory for temporary data storage during operation.
I/O and Peripherals
- 16 I/O Pins: Versatile pins that can be configured as input or output, allowing for extensive peripheral interfacing.
- PWM (Pulse Width Modulation) Module: Useful for controlling motors, LEDs, and other devices that require precise power modulation.
- USART (Universal Synchronous Asynchronous Receiver Transmitter): Enables serial communication, allowing the microcontroller to interface with other serial devices like sensors, other microcontrollers, or computers.
- Complementary Waveform Generator (CWG): Provides a way to generate complementary waveforms, useful in driving half-bridge and full-bridge configurations, particularly in motor control applications.
- 2 Comparators: Useful for analog signal comparison and decision-making processes, such as triggering events when a certain threshold is crossed.
- Programmable Voltage Reference (PVR): Allows setting of various reference voltages for analog comparisons and ADC operations.
Timing and Counting
- Timer0: 8-bit timer/counter with 8-bit prescaler: Useful for timing operations and event counting.
- Timer1: 16-bit timer/counter: Provides longer timing intervals than Timer0, with optional external clock input.
- Timer2: 8-bit timer/counter with 8-bit period register, prescaler, and postscaler: Offers precise timing control, useful in PWM applications.
Analog Features
- Analog-to-Digital Converter (ADC): With up to 8 channels, this feature is essential for interfacing with analog sensors and converting their signals into digital values for processing.
Security and Reliability
- Watchdog Timer (WDT): Helps in recovering from unexpected software failures, ensuring the system continues operating properly.
- Power-on Reset (POR): Ensures the microcontroller starts in a known state, enhancing system reliability.
- Brown-out Reset (BOR): Protects the microcontroller from operating improperly during low voltage conditions.
Programming and Debugging
- In-Circuit Serial Programming™ (ICSP™): Enables the microcontroller to be programmed after being placed in a circuit, facilitating updates and debugging.
- In-Circuit Debugging (ICD): Allows real-time debugging of the application, which is crucial for development and troubleshooting.
These features, combined with Microchip’s extensive support and resources, make the PIC16F628A-I/P a flexible and powerful option for both hobbyists and professionals working on various electronic projects.
Applications
The PIC16F628A-I/P microcontroller by Microchip Technology is versatile and can be used across a wide array of applications due to its robust set of features. Here are some common applications for the PIC16F628A-I/P:
- Consumer Electronics: Its versatility and programmability make it ideal for consumer electronics such as home appliances, personal gadgets, and entertainment systems, where it can be used for control mechanisms and user interfaces.
- Automotive: In automotive applications, the PIC16F628A-I/P can be utilized for engine management, car alarms, LED lighting control, and other vehicle monitoring systems due to its reliability and operational stability under varying conditions.
- Industrial Control: The microcontroller serves well in industrial settings for control systems, sensor monitoring, and automation tasks, thanks to its robust I/O capabilities and the ability to operate in harsh environments.
- Telecommunications: It can be used in communication devices and systems, such as modems and wireless interfaces, owing to its support for serial communication protocols.
- Medical Devices: In the medical field, the PIC16F628A-I/P finds applications in small medical devices and health monitoring systems due to its low power consumption and compact size.
- Security Systems: Its capabilities make it suitable for security applications, including access control systems, security alarms, and surveillance systems, where reliability and responsiveness are crucial.
- Hobbyist Projects and Education: Due to its ease of use and support within the hobbyist community, it is widely used in educational settings and DIY projects, from simple experiments to more complex systems like robotic controllers.
The PIC16F628A-I/P’s combination of features such as programmable FLASH memory, a wide range of peripherals, and low power consumption, along with its ease of programming, makes it a flexible microcontroller choice for both complex professional applications and simple projects alike.
Specifications
| Product Attribute | Attribute Value |
| Manufacturer: | Microchip |
| Product Category: | 8-bit Microcontrollers – MCU |
| Core: | PIC16 |
| Program Memory Size: | 3.5 kB |
| Data RAM Size: | 224 B |
| Package / Case: | PDIP-18 |
| Maximum Clock Frequency: | 20 MHz |
| ADC Resolution: | No ADC |
| Number of I/Os: | 16 I/O |
| Supply Voltage – Min: | 3 V |
| Supply Voltage – Max: | 5.5 V |
| Mounting Style: | Through Hole |
| Data Bus Width: | 8 bit |
| Minimum Operating Temperature: | – 40 C |
| Maximum Operating Temperature: | + 85 C |
| Series: | PIC16(L)F62x |
| Packaging: | Tube |
| Brand: | Microchip Technology |
| Data ROM Size: | 128 B |
| Data ROM Type: | Flash |
| Height: | 3.3 mm |
| Interface Type: | SCI, USART |
| Length: | 22.86 mm |
| Number of Timers/Counters: | 3 Timer |
| Processor Series: | PIC16 |
| Product: | MCUs |
| Product Type: | 8-bit Microcontrollers – MCU |
| Program Memory Type: | Flash |
| Factory Pack Quantity: | 25 |
| Subcategory: | Microcontrollers – MCU |
| Tradename: | PIC |
| Width: | 6.35 mm |
| Unit Weight: | 500 mg |
Datasheet
PIC16F628A-I/P Microchip Technology
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