Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 16MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 23 |
| ProgramMemorySize | 8KB (4K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 512 x 8 |
| RAMSize | 1K x 8 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 5.5V |
| DataConverters | A/D 6x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | 28-DIP (0.300, 7.62mm) |
Tổng quan
Description
The ATmega8-16PU is an 8-bit AVR microcontroller from Microchip (formerly Atmel). Key features:
- Clock Speed: 16 MHz (max).
- Flash Memory: 8 KB for code storage.
- SRAM: 1 KB, EEPROM: 512 bytes.
- I/O Pins: 23 programmable GPIOs.
- Peripherals: 6-channel 10-bit ADC, 3 timers, USART, SPI, I²C.
- Voltage Range: 4.5–5.5V (typical 5V operation).
- Package: 28-pin PDIP (DIP-28), suitable for breadboards.
Ideal for embedded projects like sensors, motor control, and basic automation due to its balance of performance, peripherals, and ease of use. Popular in hobbyist and educational applications.
- Clock Speed: 16 MHz (max).
- Flash Memory: 8 KB for code storage.
- SRAM: 1 KB, EEPROM: 512 bytes.
- I/O Pins: 23 programmable GPIOs.
- Peripherals: 6-channel 10-bit ADC, 3 timers, USART, SPI, I²C.
- Voltage Range: 4.5–5.5V (typical 5V operation).
- Package: 28-pin PDIP (DIP-28), suitable for breadboards.
Ideal for embedded projects like sensors, motor control, and basic automation due to its balance of performance, peripherals, and ease of use. Popular in hobbyist and educational applications.
Equivalent
Equivalent products to the ATMEGA8-16PU include:
- ATMEGA8-16AU (TQFP package)
- ATMEGA8L-8PU (lower voltage, 8MHz)
- ATMEGA168PA-PU (upgraded, more flash)
- ATMEGA48PA-PU (smaller flash, pin-compatible)
- ATTINY2313A-SU (simpler, fewer features).
Alternatives from other brands:
- STM8S003F3P6 (STMicroelectronics)
- PIC16F887-I/P (Microchip).
Check pinout and specs for compatibility.
- ATMEGA8-16AU (TQFP package)
- ATMEGA8L-8PU (lower voltage, 8MHz)
- ATMEGA168PA-PU (upgraded, more flash)
- ATMEGA48PA-PU (smaller flash, pin-compatible)
- ATTINY2313A-SU (simpler, fewer features).
Alternatives from other brands:
- STM8S003F3P6 (STMicroelectronics)
- PIC16F887-I/P (Microchip).
Check pinout and specs for compatibility.
Pinout
The ATMEGA8-16PU is a 28-pin DIP microcontroller from Atmel (now Microchip).
Pin Functions:
- Ports:
- PORTA (6 pins, ADC inputs)
- PORTB (8 pins, SPI, PWM, INT0/INT1)
- PORTC (7 pins, I²C, RESET, oscillator)
- Power (VCC, GND, AVCC, AREF)
- Crystal Oscillator (XTAL1/2)
- SPI (MOSI, MISO, SCK, SS)
- Analog Comparator & PWM (OC1A/OC1B)
- RESET (active-low reset pin)
Key Features:
- 16MHz max clock speed (16PU variant)
- 8KB Flash, 1KB SRAM, 512B EEPROM
- 23 I/O pins (6 ADC, 3 PWM, UART, SPI, I²C)
Compact and versatile for embedded applications.
Pin Functions:
- Ports:
- PORTA (6 pins, ADC inputs)
- PORTB (8 pins, SPI, PWM, INT0/INT1)
- PORTC (7 pins, I²C, RESET, oscillator)
- Power (VCC, GND, AVCC, AREF)
- Crystal Oscillator (XTAL1/2)
- SPI (MOSI, MISO, SCK, SS)
- Analog Comparator & PWM (OC1A/OC1B)
- RESET (active-low reset pin)
Key Features:
- 16MHz max clock speed (16PU variant)
- 8KB Flash, 1KB SRAM, 512B EEPROM
- 23 I/O pins (6 ADC, 3 PWM, UART, SPI, I²C)
Compact and versatile for embedded applications.
Manufacturer
The ATMEGA8-16PU is manufactured by Microchip Technology, a leading American semiconductor company.
Microchip specializes in microcontrollers, analog, and Flash-IP solutions, serving industries like automotive, industrial, and consumer electronics. Known for its PIC and AVR microcontroller families, Microchip acquired Atmel in 2016, gaining the ATmega series, including the ATmega8.
The company is recognized for reliable, low-power embedded systems and is a major player in the semiconductor market.
Microchip specializes in microcontrollers, analog, and Flash-IP solutions, serving industries like automotive, industrial, and consumer electronics. Known for its PIC and AVR microcontroller families, Microchip acquired Atmel in 2016, gaining the ATmega series, including the ATmega8.
The company is recognized for reliable, low-power embedded systems and is a major player in the semiconductor market.
Application
The ATmega8-16PU is an 8-bit AVR microcontroller used in various embedded applications, including:
- Consumer Electronics (remote controls, toys, small appliances)
- Industrial Automation (sensors, motor control, simple PLCs)
- Automotive Systems (dashboard displays, basic control modules)
- DIY & Hobby Projects (Arduino-compatible boards, robotics)
- Home Automation (lighting control, smart switches)
- Medical Devices (simple monitoring equipment)
Its features (16MHz speed, 8KB flash, ADC, PWM, UART) make it suitable for cost-sensitive, low-power embedded systems.
- Consumer Electronics (remote controls, toys, small appliances)
- Industrial Automation (sensors, motor control, simple PLCs)
- Automotive Systems (dashboard displays, basic control modules)
- DIY & Hobby Projects (Arduino-compatible boards, robotics)
- Home Automation (lighting control, smart switches)
- Medical Devices (simple monitoring equipment)
Its features (16MHz speed, 8KB flash, ADC, PWM, UART) make it suitable for cost-sensitive, low-power embedded systems.
Package
The ATMEGA8-16PU comes in a PDIP (Plastic Dual In-line Package) with 28 pins. It operates at 16 MHz and is designed for through-hole PCB mounting. The package dimensions are 36.32 x 13.97 mm, making it suitable for prototyping and hobbyist projects. PDIP packages are easy to handle and solder manually.