規格
| 屬性 | 價值 |
| Package | Tube |
| Series | PIC® 16F |
| ProductStatus | Active |
| CoreProcessor | PIC |
| CoreSize | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 33 |
| ProgramMemorySize | 7KB (4K x 14) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 128 x 8 |
| RAMSize | 192 x 8 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | External |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | 40-DIP (0.600, 15.24mm) |
概述
Description
The PIC16F874A-I/P is a microcontroller from Microchip Technology, part of the PIC16 series. It features a 40-pin PDIP package and operates at industrial temperature ranges. The device incorporates a 14-bit word architecture with a RISC (Reduced Instruction Set Computing) design, allowing for efficient programming and execution.
Key specifications include 4KB of flash memory, 192 bytes of RAM, and 256 bytes of EEPROM, providing ample storage for instructions and data. The microcontroller offers 33 I/O pins, supporting a wide range of peripheral interfacing capabilities. It includes an 8-channel 10-bit Analog-to-Digital Converter (ADC), enhancing its use in sensor applications.
The PIC16F874A supports various communication protocols, including I2C, SPI, and USART, making it versatile for numerous applications, from embedded control systems to automation. Its low power consumption and high performance make it ideal for battery-operated devices. The IC also features watchdog timer support and in-circuit serial programming for ease of development and debugging. Overall, the PIC16F874A-I/P is well-suited for educational, industrial, and personal electronic projects.
Key specifications include 4KB of flash memory, 192 bytes of RAM, and 256 bytes of EEPROM, providing ample storage for instructions and data. The microcontroller offers 33 I/O pins, supporting a wide range of peripheral interfacing capabilities. It includes an 8-channel 10-bit Analog-to-Digital Converter (ADC), enhancing its use in sensor applications.
The PIC16F874A supports various communication protocols, including I2C, SPI, and USART, making it versatile for numerous applications, from embedded control systems to automation. Its low power consumption and high performance make it ideal for battery-operated devices. The IC also features watchdog timer support and in-circuit serial programming for ease of development and debugging. Overall, the PIC16F874A-I/P is well-suited for educational, industrial, and personal electronic projects.
Equivalent
Equivalent products for the PIC16F874A-I/P, a microcontroller by Microchip Technology, include the PIC16F877A-I/P, which offers additional program memory. Other options may include the PIC16F873A or similar models in the PIC16 series with comparable features. For more modern alternatives, consider looking into the enhanced mid-range or PIC18 series for improved performance and more features, although these may require consideration of differences in architecture and compatibility. Always check datasheets for specific feature requirements.
Pinout
The PIC16F874A-I/P is a microcontroller from Microchip Technology, part of the PIC16 series. It features a 40-pin Dual In-line Package (DIP).
Key functions and features include:
1. CPU Architecture: 8-bit RISC architecture.
2. FLASH Program Memory: 7.2 KB for storing code.
3. EEPROM Data Memory: 128 bytes for non-volatile data storage.
4. RAM Data Memory: 368 bytes for data manipulation during execution.
5. I/O Ports: Five ports (PORTA, PORTB, PORTC, PORTD, and PORTE) for various input/output functions.
6. Timers: Three timers (Timer0, Timer1, and Timer2) for timing operations and event counting.
7. ADC: 10-bit Analog-to-Digital Converter with up to 8 channels for sensor interfacing.
8. Serial Communication: Supports USART for serial communication.
9. Capture/Compare/PWM (CCP): Modules for capturing pulse width, comparing, and generating PWM signals.
10. Peripheral Interface: I²C and SPI for interfacing with other devices.
11. Interrupts: Supports multiple interrupt sources for handling events promptly.
This versatile microcontroller is used in embedded applications requiring moderate processing power and peripheral integration.
Key functions and features include:
1. CPU Architecture: 8-bit RISC architecture.
2. FLASH Program Memory: 7.2 KB for storing code.
3. EEPROM Data Memory: 128 bytes for non-volatile data storage.
4. RAM Data Memory: 368 bytes for data manipulation during execution.
5. I/O Ports: Five ports (PORTA, PORTB, PORTC, PORTD, and PORTE) for various input/output functions.
6. Timers: Three timers (Timer0, Timer1, and Timer2) for timing operations and event counting.
7. ADC: 10-bit Analog-to-Digital Converter with up to 8 channels for sensor interfacing.
8. Serial Communication: Supports USART for serial communication.
9. Capture/Compare/PWM (CCP): Modules for capturing pulse width, comparing, and generating PWM signals.
10. Peripheral Interface: I²C and SPI for interfacing with other devices.
11. Interrupts: Supports multiple interrupt sources for handling events promptly.
This versatile microcontroller is used in embedded applications requiring moderate processing power and peripheral integration.
Manufacturer
The PIC16F874A-I/P is manufactured by Microchip Technology Inc. Microchip Technology is an American company that specializes in the production of microcontroller, memory, and analog semiconductors. They are well-known for their PIC microcontroller products, which are widely used in embedded systems across various industries. Founded in 1989 and headquartered in Chandler, Arizona, Microchip Technology focuses on providing a wide range of embedded control solutions. Their products are used in a variety of applications, including automotive, industrial, consumer, and communications markets. The company is recognized for offering reliable and cost-effective semiconductor products and has a significant presence in the global semiconductor industry.
Application
The PIC16F874A-I/P microcontroller is commonly used in various applications due to its versatility and cost-effectiveness. Key areas include:
1. Embedded Systems: Often used in consumer electronics and household appliances for control tasks.
2. Automotive: Employed in vehicle systems for functions like lighting and infotainment controls.
3. Industrial Automation: Utilized in control systems for machinery and process automation.
4. IoT Devices: Serves as the core controller for various Internet of Things applications.
5. Robotics: Used for motor control and sensor interfacing.
6. Communication Systems: Supports serial communication protocols for data transmission.
Its adaptability for various digital and analog tasks makes it suitable for numerous other bespoke applications.
1. Embedded Systems: Often used in consumer electronics and household appliances for control tasks.
2. Automotive: Employed in vehicle systems for functions like lighting and infotainment controls.
3. Industrial Automation: Utilized in control systems for machinery and process automation.
4. IoT Devices: Serves as the core controller for various Internet of Things applications.
5. Robotics: Used for motor control and sensor interfacing.
6. Communication Systems: Supports serial communication protocols for data transmission.
Its adaptability for various digital and analog tasks makes it suitable for numerous other bespoke applications.
Package
The PIC16F874A-I/P is a 40-pin PDIP (Plastic Dual In-line Package) microcontroller. This type of package is used for through-hole mounting on a printed circuit board and provides durability and ease of handling during assembly or prototyping.