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ATMEGA32A-AU
+BOMIC MCU 8BIT 32KB FLASH 44TQFP
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ManufacturerAtmel
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Mfr. Part #ATMEGA32A-AU
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Datasheet ATMEGA32A-AU DataSheet
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Package TQFP-44
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In Stock6345
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Specifications
| Attribute | Value |
| Package | Bulk |
| 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 | 32 |
| ProgramMemorySize | 32KB (16K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 1K x 8 |
| RAMSize | 2K x 8 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 44-TQFP |
Overview
Description
Key features include 32 general-purpose I/O lines, 8-channel 10-bit ADC, and multiple communication interfaces like USART, SPI, and I2C. It also supports PWM, timers, and counters, enhancing its versatility in real-time applications. The ATMEGA32A-AU is known for its reliability and ease of programming, often using the popular Arduino IDE or Atmel Studio.
Its compact TQFP-44 package makes it suitable for space-constrained designs. With a voltage range of 1.8V to 5.5V, it fits well into low-power applications. The chip is widely used in hobbyist projects, educational platforms, and commercial products, appreciated for its capability and cost-effectiveness.
Equivalent
Features
1. Architecture: 8-bit AVR RISC architecture with 32KB of Flash memory, 2KB of SRAM, and 1KB of EEPROM.
2. Operating Voltage: 2.7V to 5.5V, making it suitable for various applications.
3. Performance: Capable of executing instructions in a single clock cycle, allowing up to 16 MIPS throughput at 16 MHz.
4. I/O Ports: 32 general-purpose I/O lines for interfacing with external components.
5. Timers/Counters: Includes three flexible timer/counters with compare modes and PWM.
6. Analog Features: 8-channel 10-bit ADC and an analog comparator for analog signal processing.
7. Communication Interfaces: Supports USART, SPI, and I2C (TWI) protocols for serial communication.
8. Interrupts: Features a robust interrupt system with external and internal interrupt sources.
9. Power-saving Modes: Offers various power-saving modes to optimize power consumption.
10. Package: Available in a 44-pin TQFP package, suitable for compact designs.
These features make it versatile for applications in embedded systems, consumer electronics, and automotive industries.
Pinout
The functions of the ATmega32A-AU include:
1. CPU: 8-bit AVR RISC architecture.
2. Digital I/O: 32 programmable I/O lines.
3. Timers: Three Timer/Counters with compare modes.
4. Pulse Width Modulation (PWM): PWM outputs for control applications.
5. Analog-to-Digital Converter (ADC): 10-bit resolution with 8 multiplexed channels.
6. Communication Interfaces:
- USART for serial communication.
- SPI (Serial Peripheral Interface) for high-speed synchronous data transfer.
- TWI (Two-Wire Interface) for I2C communication.
7. Interrupts: Multiple external and internal interrupt sources.
8. Watchdog Timer: With a separate on-chip oscillator for system reliability.
This microcontroller is commonly used in embedded system applications due to its versatility and range of peripherals.
Manufacturer
Application
1. Embedded Systems: Ideal for small to mid-sized embedded projects.
2. Consumer Electronics: Used in devices like remote controls and kitchen appliances.
3. Automotive: Applied in dashboard instrumentation and sensor systems.
4. Industrial Automation: Suitable for process control and motor control systems.
5. Communication Devices: Used in wireless communication modules.
6. Home Automation: Applied in smart home devices for automation and control.
7. Educational Projects: Popular in academic settings for learning and prototyping.
Its low power consumption, integrated peripherals, and ease of programming make it suitable for diverse applications.