사양
| 속성 | 가치 |
| Package / Case | Tray |
| Series | PIC® 16F |
| Part Status | Active |
| Core Processor | PIC |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 33 |
| Program Memory Size | 14KB (8K x 14) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 368 x 8 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | External |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
개요
Description
The PIC16F877-20I/PQ is a microcontroller from Microchip Technology, widely used in embedded systems due to its versatility and ease of use. It is part of the PIC16 series, offering a balance of performance and cost-effectiveness. This microcontroller features a 20 MHz clock speed, which supports a range of applications requiring moderate processing power.
Key features include a 40-pin package, 14-bit instruction set, and a RISC architecture, which allows for efficient programming and execution. It has 368 bytes of RAM, 256 bytes of EEPROM, and 8K words of Flash program memory, making it suitable for various applications that require non-volatile storage.
The PIC16F877-20I/PQ also provides multiple I/O ports, 33 in total, which can be used for digital input and output, making it ideal for interfacing with sensors and other peripherals. Additionally, it includes features such as an Analog-to-Digital Converter (ADC), Pulse Width Modulation (PWM) modules, timers, and serial communication interfaces like USART, SPI, and I2C.
Its popularity in educational and commercial projects is due to its robustness, availability, and a large support community.
Key features include a 40-pin package, 14-bit instruction set, and a RISC architecture, which allows for efficient programming and execution. It has 368 bytes of RAM, 256 bytes of EEPROM, and 8K words of Flash program memory, making it suitable for various applications that require non-volatile storage.
The PIC16F877-20I/PQ also provides multiple I/O ports, 33 in total, which can be used for digital input and output, making it ideal for interfacing with sensors and other peripherals. Additionally, it includes features such as an Analog-to-Digital Converter (ADC), Pulse Width Modulation (PWM) modules, timers, and serial communication interfaces like USART, SPI, and I2C.
Its popularity in educational and commercial projects is due to its robustness, availability, and a large support community.
Equivalent
The PIC16F877-20I/PQ is a Microchip microcontroller. Equivalent products with similar specifications include the PIC16F887 and PIC16F1937, which offer similar pin counts and features. From other manufacturers, the Atmel ATmega32 and NXP's LPC1114FN28 may be considered, though differences in architecture and peripherals should be checked. Always verify compatibility in terms of pin configuration, features, and performance requirements.
Features
The PIC16F877-20I/PQ is a microcontroller from Microchip Technology, featuring:
1. Core: 8-bit PIC microcontroller.
2. Flash Memory: 14 KB for program storage.
3. RAM: 368 bytes for data.
4. EEPROM: 256 bytes for non-volatile data storage.
5. I/O Ports: 33 digital I/O pins.
6. Timers: Three timers (Timer0, Timer1, Timer2) for various timing applications.
7. ADC: 10-bit, 8-channel Analog-to-Digital Converter for analog signal processing.
8. Capture/Compare/PWM Modules: Two modules for measuring time periods and generating PWM signals.
9. Serial Communication: Supports USART for serial communication.
10. SPI/I²C: Supports both SPI and I²C protocols for peripheral interfacing.
11. Watchdog Timer: On-chip watchdog timer for system reliability.
12. Oscillator Options: Supports external oscillators up to 20 MHz.
13. Operating Voltage: 2.0V to 5.5V.
14. Package: Available in a 44-pin TQFP package.
This combination of features makes it suitable for various applications, including embedded systems and industrial automation.
1. Core: 8-bit PIC microcontroller.
2. Flash Memory: 14 KB for program storage.
3. RAM: 368 bytes for data.
4. EEPROM: 256 bytes for non-volatile data storage.
5. I/O Ports: 33 digital I/O pins.
6. Timers: Three timers (Timer0, Timer1, Timer2) for various timing applications.
7. ADC: 10-bit, 8-channel Analog-to-Digital Converter for analog signal processing.
8. Capture/Compare/PWM Modules: Two modules for measuring time periods and generating PWM signals.
9. Serial Communication: Supports USART for serial communication.
10. SPI/I²C: Supports both SPI and I²C protocols for peripheral interfacing.
11. Watchdog Timer: On-chip watchdog timer for system reliability.
12. Oscillator Options: Supports external oscillators up to 20 MHz.
13. Operating Voltage: 2.0V to 5.5V.
14. Package: Available in a 44-pin TQFP package.
This combination of features makes it suitable for various applications, including embedded systems and industrial automation.
Pinout
The PIC16F877-20I/PQ is a microcontroller with a 44-pin TQFP (Thin Quad Flat Pack) package. It is part of the PIC16 series by Microchip Technology and is widely used in embedded systems.
Key features and functions include:
1. Pins: 44 pins in total.
2. I/O Ports: Multiple I/O ports, including Ports A, B, C, D, and E for general-purpose input/output.
3. Analog Inputs: 8-channel, 10-bit Analog-to-Digital Converter (ADC).
4. Timers: Includes three timers - Timer0, Timer1, and Timer2 for time-related operations.
5. USART: Supports serial communication via USART module.
6. I2C and SPI: Supports I2C and SPI communication protocols.
7. PWM: Pulse Width Modulation capabilities for motor control and signal generation.
8. EEPROM: 256 bytes of EEPROM for non-volatile data storage.
9. Program Memory: 14 KB of Flash memory for code storage.
10. RAM: 368 bytes of RAM for data handling.
11. Watchdog Timer: Enhanced reliability with a Watchdog Timer to reset the system in case of malfunction.
These features make it suitable for a wide range of applications, from simple hobby projects to complex industrial systems.
Key features and functions include:
1. Pins: 44 pins in total.
2. I/O Ports: Multiple I/O ports, including Ports A, B, C, D, and E for general-purpose input/output.
3. Analog Inputs: 8-channel, 10-bit Analog-to-Digital Converter (ADC).
4. Timers: Includes three timers - Timer0, Timer1, and Timer2 for time-related operations.
5. USART: Supports serial communication via USART module.
6. I2C and SPI: Supports I2C and SPI communication protocols.
7. PWM: Pulse Width Modulation capabilities for motor control and signal generation.
8. EEPROM: 256 bytes of EEPROM for non-volatile data storage.
9. Program Memory: 14 KB of Flash memory for code storage.
10. RAM: 368 bytes of RAM for data handling.
11. Watchdog Timer: Enhanced reliability with a Watchdog Timer to reset the system in case of malfunction.
These features make it suitable for a wide range of applications, from simple hobby projects to complex industrial systems.
Manufacturer
The PIC16F877-20I/PQ is manufactured by Microchip Technology Inc. Microchip Technology is a publicly-traded company that specializes in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. Founded in 1989 and headquartered in Chandler, Arizona, Microchip Technology is a leading provider of microcontroller and analog semiconductors. Their products are utilized in a broad array of applications, including automotive, industrial, consumer, and computing markets. The company is known for delivering reliable, high-performance products and providing comprehensive development tools to support its customers in designing embedded systems.
Application
The PIC16F877-20I/PQ microcontroller is widely used in various application areas due to its versatility and features. It is commonly employed in embedded systems, including industrial automation, consumer electronics, and automotive applications. Its capabilities in controlling and interfacing with peripherals make it ideal for developing motor control systems, sensor interfacing, and communication devices. Additionally, it's used in home automation systems, data acquisition, and instrumentation applications. The microcontroller's support for serial communication protocols like I2C and SPI further extends its use in networked and IoT (Internet of Things) devices. Its robust performance and ease of programming make it a popular choice for educational projects and prototyping.
Package
The PIC16F877-20I/PQ microcontroller is packaged in a Plastic Quad Flatpack (PQFP), specifically designed for industrial temperature ranges. This package type offers a compact form factor with pins on all four sides, suitable for surface mounting on printed circuit boards.
