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ATMEGA8A-PU
+BOMIC MCU 8BIT 8KB FLASH 28DIP
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제조업체마이크로칩 기술
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제조업체 부품 #ATMEGA8A-PU
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데이터시트 ATMEGA8A-PU DataSheet
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패키지 DIP28
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재고5791
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사양
| 속성 | 가치 |
| 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) | 2.7V ~ 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) |
개요
Description
Key features include:
- CPU: 8-bit AVR RISC architecture
- Memory: 8KB of Flash, 1KB SRAM, and 512 bytes EEPROM
- Clock Speed: Operates at up to 16MHz
- I/O Ports: 23 programmable I/O lines
- Timers: Three timers (two 8-bit and one 16-bit)
- Analog to Digital Converter (ADC): 6-channel, 10-bit resolution
- Communication Interfaces: Supports USART, SPI, and I2C (TWI)
- Power Consumption: Features power-saving modes
- Operating Voltage: 2.7V to 5.5V
The microcontroller is suitable for projects requiring moderate processing power, such as sensor interfacing, control systems, and simple robotics. Its compatibility with the Arduino development environment makes it popular among hobbyists and engineers alike.
Equivalent
1. ATMEGA8-16PU: A similar 8-bit AVR microcontroller with minor variations in specs.
2. ATMEGA88PA-PU: Offers enhancements and more features with similar pinout.
3. ATMEGA328P-PU: More memory and features, commonly used in Arduino boards.
4. ATtiny85: Smaller, with fewer I/O pins, suitable for simpler projects.
These alternatives vary in memory, features, and power consumption, so selection depends on project requirements.
Features
1. Core: AVR-based with RISC architecture.
2. Speed: Up to 16 MHz clock frequency.
3. Memory: 8KB Flash, 1KB SRAM, 512 Bytes EEPROM.
4. I/O Ports: 23 general-purpose I/O lines.
5. Timers: Two 8-bit and one 16-bit timer/counter.
6. ADC: Six-channel, 10-bit Analog to Digital Converter.
7. Communication Interfaces: Supports USART, SPI, and I2C (TWI).
8. Power Consumption: Offers various power-saving modes.
9. Voltage Range: Operates from 2.7V to 5.5V.
10. Package: 28-pin Dual Inline Package (DIP).
11. Interrupts: Internal and external interrupt sources.
12. PWM: Pulse Width Modulation support.
13. Programming: In-System Programmable via SPI.
14. Watchdog Timer: For enhanced reliability.
15. Temperature Range: Operates across a wide temperature range.
These features make the ATMEGA8A-PU suitable for applications requiring low power consumption, precise timing, and versatile interfacing capabilities.
Pinout
1. VCC: Digital supply voltage.
2. GND: Ground.
3. Port B (PB7-PB0): 8-bit bi-directional I/O port with internal pull-up resistors.
4. Port C (PC6-PC0): 7-bit bi-directional I/O port with internal pull-up resistors.
5. Port D (PD7-PD0): 8-bit bi-directional I/O port with internal pull-up resistors.
6. RESET: Active low reset input.
7. XTAL1/XTAL2: Input/Output for the inverting oscillator amplifier.
8. AVCC: Supply voltage pin for the A/D Converter.
9. AREF: Reference voltage for the A/D Converter.
10. ADC: 6-channel 10-bit ADC (on Port C).
The ATmega8A-PU supports a wide range of applications, offering features like timers, PWM, UART, SPI, and I2C interfaces, making it versatile for embedded system projects.
Manufacturer
Application
1. Embedded Systems: Used in consumer electronics for control operations.
2. Robotics: Controls motor functions and sensor integrations.
3. IoT Devices: Acts as a core processing unit for connected devices.
4. Automotive: Utilized for dashboard instrumentation and control systems.
5. Industrial Automation: Implements process controls and monitoring systems.
6. Home Automation: Manages sensors and actuators for smart home devices.
7. Educational Projects: Ideal for learning programming and electronics.
These applications leverage the microcontroller's flexibility, affordability, and rich set of features.