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ATMEGA88A-AU
+StücklisteIC MCU 8BIT 8KB FLASH 32TQFP
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HerstellerMikrochip-Technologie
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Herstellerteil #ATMEGA88A-AU
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Paket TQFP-32
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tray |
| Series | AVR® ATmega |
| Part Status | Active |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 23 |
| Program Memory Size | 8KB (4K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
1. CPU and Memory: It features an AVR CPU core with 8KB of flash memory, 1KB SRAM, and 512 bytes EEPROM.
2. Operating Voltage: The microcontroller operates at 1.8V to 5.5V, making it versatile for different power environments.
3. Speed: It can run at a maximum clock speed of 20 MHz.
4. Peripherals: Equipped with multiple peripherals including USART, SPI, and I2C for communication, as well as ADC for analog signal processing.
5. Timers and Counters: Includes three Timer/Counters with PWM capabilities for generating precise timing and control.
6. GPIO: Offers 23 programmable I/O lines.
7. Power Management: Features power-saving modes to enhance battery life in portable applications.
Its combination of capabilities makes the ATMEGA88A-AU suitable for a variety of applications such as consumer electronics, automotive, and industrial automation.
Equivalent
Features
Key features include:
- 23 general-purpose I/O pins.
- Peripheral features like a 10-bit ADC with up to 8 channels, a programmable Watchdog Timer with internal oscillator, and a 6-channel 8-bit PWM.
- Communication interfaces include SPI, I²C (TWI), and USART.
- Low power consumption with various sleep modes and a power-on reset and programmable brown-out detection.
- Operating voltage ranges from 1.8V to 5.5V.
The microcontroller is suitable for applications requiring moderate flash, RAM, and EEPROM in a compact package, and it is commonly used in embedded systems, consumer electronics, and industrial control applications.
Pinout
1. I/O Ports: It has 23 programmable I/O lines.
2. Timers/Counters: Three timer/counters with compare modes; one 16-bit and two 8-bit.
3. ADC: A 10-bit ADC with up to 6 channels.
4. USART: Supports asynchronous and synchronous serial communication.
5. TWI (I2C): Two-wire serial interface.
6. SPI: Serial Peripheral Interface for high-speed synchronous data transfer.
7. PWM: Pulse Width Modulation channels.
8. Analog Comparator: For comparing analog voltages.
9. Watchdog Timer: For system reset on error.
10. Internal Oscillator: Has an internal calibrated oscillator.
The ATmega88A features a low-power consumption design and operates at a maximum frequency of 20 MHz. It is commonly used in embedded systems due to its balance of capability and cost-effectiveness.
Manufacturer
Application
1. Embedded Systems: Used in small-scale embedded systems for consumer electronics and industrial devices.
2. Automotive: Utilized for control systems and sensor interfacing in automotive applications.
3. Home Automation: Powers smart home devices like thermostats and security systems.
4. IoT Devices: Acts as a core component in Internet of Things applications for data processing and connectivity.
5. Robotics: Controls motor functions and sensor data processing in robotic systems.
6. Consumer Electronics: Integrated into gadgets and appliances for efficient control and operation.
Its ease of use, robust performance, and extensive development support make it suitable for a wide range of applications.