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ATMEGA32A-MU
+BOMIC MCU 8BIT 32KB FLASH 44VQFN
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ManufacturerMicrochip Technology
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Mfr. Part #ATMEGA32A-MU
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Datasheet ATMEGA32A-MU DataSheet
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In Stock5736
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Specifications
| Attribute | Value |
| Series | AVR® ATmega |
| Part Status | Active |
| DigiKey Programmable | Not Verified |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-VQFN (7x7) |
| Package / Case | 44-VFQFN Exposed Pad |
| Base Product Number | ATMEGA32 |
Overview
Description
It operates at a frequency of up to 16MHz, offering a balanced combination of performance and power efficiency. The ATMEGA32A-MU includes 32 general-purpose I/O pins, allowing it to interface with various peripherals and sensors. It also supports multiple communication interfaces, such as SPI, I2C, and UART, enhancing its connectivity options.
Additional features include a 10-bit ADC, timers, PWM channels, and watchdog timer, making it versatile for applications like motor control, sensor management, and general-purpose control systems. Packaged in a 32-pin QFN form factor, the ATMEGA32A-MU is compact, suitable for space-constrained designs. It is widely used in consumer electronics, automotive systems, and industrial controls.
Equivalent
1. Microchip ATmega328P: Similar architecture and features.
2. Microchip ATmega16: Offers similar function with less memory.
3. Microchip ATmega32U4: Additional USB interface.
4. STMicroelectronics STM8S103F3: Comparable 8-bit architecture.
5. NXP LPC11U24: ARM Cortex-M0, for more advanced architectures.
Always check specific requirements like pin count, memory, and peripheral compatibility.
Features
Key features include:
1. I/O Ports: 32 general-purpose I/O lines for interfacing with external components.
2. Timers/Counters: Three timers (two 8-bit and one 16-bit) for precision timing and event counting.
3. PWM Channels: Supports Pulse Width Modulation for motor and LED control.
4. ADC: An integrated 10-bit Analog to Digital Converter with up to 8 channels.
5. USART, SPI, I2C: Multiple communication interfaces for data transfer.
6. Interrupts: 21 interrupt sources, enhancing real-time processing capabilities.
7. Low Power Modes: Various power-saving modes to enhance battery-operated applications.
Its compact TQFP-44 package is suitable for space-constrained designs, making it ideal for embedded systems, consumer electronics, and industrial automation applications.
Pinout
1. Digital I/O Pins: It has 32 general-purpose I/O pins that are highly versatile.
2. Analog Inputs: There are 8-channel 10-bit ADC (Analog-to-Digital Converter) inputs for analog signal processing.
3. Timers: It includes two 8-bit timers and one 16-bit timer for various timing and counting operations.
4. Communication Interfaces: The microcontroller provides several interfaces like USART, SPI, and I2C (also known as TWI) for serial communication.
5. PWM: It supports PWM (Pulse Width Modulation) channels for controlling devices like motors.
6. External Interrupts: There are multiple external interrupt sources.
7. Memory: The ATMEGA32A-MU comes with 32KB of Flash memory, 2KB of SRAM, and 1KB of EEPROM.
8. Power Management: It supports various power-saving modes.
These features make the ATMEGA32A-MU suitable for a wide range of applications, from simple embedded projects to more complex systems requiring efficient power management and diverse peripheral connectivity.
Manufacturer
Microchip Technology focuses on providing embedded control solutions that help designers create optimized, reliable, and cost-effective products. The company differentiates itself by offering a vast product portfolio, comprehensive support, and robust development tools, enabling engineers to streamline the design and development process for their applications.