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ATMEGA32U2-MU
+BOMIC MCU 8BIT 32KB FLASH 32VQFN
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ManufacturerMicrochip Technology
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Mfr. Part #ATMEGA32U2-MU
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Datasheet ATMEGA32U2-MU DataSheet
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Package VQFN-32
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In Stock5839
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Specifications
| Attribute | Value |
| Package | Tray |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 16MHz |
| Connectivity | SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 22 |
| ProgramMemorySize | 32KB (16K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 1K x 8 |
| RAMSize | 1K x 8 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 5.5V |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-VFQFN Exposed Pad |
Overview
Description
Key features include a full-speed USB 2.0 interface, which allows the microcontroller to connect directly to USB hosts, making it ideal for USB peripherals and data transfer applications. It operates at up to 16 MHz and is equipped with several peripheral interfaces, including SPI, I2C, and USART, enhancing its communication capabilities. It also supports six PWM channels and multiple I/O pins, providing flexibility for controlling external devices.
The microcontroller's compact QFN32 package makes it suitable for space-constrained designs. With its low-power consumption and robust feature set, the ATMEGA32U2-MU is commonly used in applications like USB devices, custom hardware interfaces, and home automation systems.
Equivalent
1. Microchip ATMEGA32U4: Offers similar features with additional I/O pins.
2. Microchip ATMEGA16U2: Less flash memory but similar in other aspects.
3. Microchip AT90USB162: Similar USB capabilities with slight variations in specs.
4. NXP LPC1343: ARM Cortex-M3, more powerful but also USB-enabled.
5. STMicroelectronics STM32F103C8: ARM Cortex-M3, more advanced with USB.
These alternatives vary in processing power and features.
Features
1. Core: AVR 8-bit RISC architecture with high-performance and low-power operation.
2. Memory: 32KB of in-system self-programmable Flash, 1KB SRAM, and 1KB EEPROM.
3. Clock Speed: Operates at up to 16 MHz.
4. I/O Ports: 22 programmable I/O lines, offering flexibility for interfacing with external devices.
5. USB Connectivity: Full-speed USB 2.0 compliant interface, facilitating seamless USB communication.
6. Timers/Counters: Includes two 8-bit and one 16-bit timer/counter with separate prescaler, compare mode, and capture mode.
7. Serial Communication: Supports SPI, UART, and I2C interfaces.
8. ADC: 10-bit ADC with up to 8-channel support.
9. Enhanced RISC Architecture: Executes powerful instructions in a single clock cycle.
10. Additional Features: Watchdog timer with an internal oscillator, on-chip PLL for fast USB operation, and in-system programming via bootloader.
This microcontroller is well-suited for applications requiring USB connectivity, general-purpose control, and embedded systems development.
Pinout
1. Pin Count: 32 pins.
2. USB Functionality: It includes a USB 2.0 full-speed/low-speed device, which makes it suitable for USB applications.
3. I/O Ports: It has multiple programmable I/O ports.
4. Memory: It features 32KB of ISP flash memory, 1KB of EEPROM, and 1.25KB of SRAM.
5. Timers/Counters: Includes timers/counters for managing time-critical operations.
6. Communication: Offers USART, SPI, and TWI for communication purposes.
7. Power Management: Supports power-saving sleep modes for energy efficiency.
8. Interrupts: Offers external and internal interrupt sources for responsive applications.
9. ADC: Contains a 10-bit ADC for analog-to-digital conversion.
These features make the ATmega32U2-MU suitable for a range of applications, including embedded systems and USB-connected devices.