AT32UC3A3256-ALUR
- Mfr.Part #
- AT32UC3A3256-ALUR
- Manufacturer
- Microchip Technology
- Package / Case
- 144-LQFP
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 144LQFP
- Stock
- 871
- In Stock :
- 871
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Voltage - Supply (Vcc/Vdd) :
- 1.75V~3.6V
- ROM (words) :
- 262144
- Data Converters :
- A/D 8x10b
- RoHS :
- Details
- Power Supplies :
- 1.8,3.3 V
- Peripherals :
- Brown-out Detect/Reset, DMA, POR, WDT
- Number of I/Os :
- 110 I/O
- CPU Family :
- AVR RISC
- Peak Reflow Temperature (Cel) :
- 260
- Mount :
- Surface Mount
- Number of I/O :
- 110
- Height Seated (Max) :
- 1.6mm
- Core Processor :
- AVR
- Qualification Status :
- Not Qualified
- Frequency :
- 66MHz
- Additional Feature :
- IT ALSO OPERATES AT 3.3 V
- Core Size :
- 32-Bit
- Factory Lead Time :
- 12 Weeks
- Data Converter :
- A/D 8x10b
- Number of Terminations :
- 144
- Minimum Operating Temperature :
- - 40 C
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- External Data Bus Width :
- 16
- Maximum Operating Temperature :
- + 85 C
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Interface Type :
- 2-Wire, I2S, JTAG, SPI, USART
- Supplier Device Package :
- 144-LQFP (20x20)
- Temperature Grade :
- Industrial
- Supply Voltage-Max (Vsup) :
- 1.95V
- EEPROM Size :
- --
- DAC Channels :
- yes
- Terminal Form :
- Gull wing
- JESD-609 Code :
- e3
- Reach Compliance Code :
- Compliant
- Package Shape :
- Square
- Base Product Number :
- AT32UC3
- DAC Resolution :
- 16 bit
- RAM (bytes) :
- 65536
- Contact Plating :
- Tin
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Product :
- MCU
- DMA Channels :
- yes
- Seated Height-Max :
- 1.6 mm
- JESD-30 Code :
- S-PQFP-G144
- Height :
- 1.6 mm
- Program Memory Size :
- 256KB 256K x 8
- Data Bus Width :
- 32b
- Speed :
- 66MHz
- Package / Case :
- 144-LQFP
- Memory Size :
- 256KB
- Published :
- 2012
- Interfaces :
- IrDA/SCI/SCIF/UDI
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Number of Terminals :
- 144
- Length :
- 20mm
- Connectivity :
- EBI/EMI, I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG
- Has ADC :
- yes
- Memory Type :
- FLASH, SRAM
- Mounting Type :
- Surface Mount
- Brand :
- Microchip Technology
- Number of Pins :
- 144
- Number of I/O Lines :
- 110
- Number of Timers/Counters :
- 3
- Operating Supply Voltage :
- 3.3V
- ROM Programmability :
- Flash
- Product Category :
- 32-bit Microcontrollers - MCU
- Product Status :
- Active
- Product Type :
- 32-bit Microcontrollers - MCU
- Operating Temperature :
- -40°C~85°C TA
- Pbfree Code :
- yes
- Program Memory Type :
- Flash
- Mounting Style :
- SMD/SMT
- PWM Channels :
- No
- RAM Size :
- 128K x 8
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Number of Programmable I/O :
- 23
- Supply Voltage :
- 1.85V
- Oscillator Type :
- Internal
- Bit Size :
- 32
- Base Part Number :
- AT32UC3A3256
- Packaging :
- Tape and Reel (TR)
- Address Bus Width :
- 24
- Terminal Pitch :
- 0.5mm
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- QUAD
- Surface Mount :
- yes
- Number of ADC Channels :
- 8 Channel
- Interface :
- 2-Wire, EBI/EMI, I2C, I2S, IrDA, MMC, SCI, SPI, UART, USART, USB
- Series :
- AVR®32 UC3 A3
- Width :
- 20.1 mm
- Manufacturer :
- Microchip
- Tradename :
- AVR
- Datasheets
- AT32UC3A3256-ALUR

Microcontrollers Microchip Technology AT32UC3A3256-ALUR Overview
The Microcontrollers Microchip Technology AT32UC3A3256-ALUR is a highly capable 32-bit microcontroller that targets demanding applications requiring a substantial amount of memory and processing power. Designed by Microchip Technology, this MCU integrates 256KB of in-system programmable flash and operates at a high level of efficiency. Its compact 144LQFP packaging makes it ideal for sophisticated yet space-constrained applications. This microcontroller not only offers robust performance but also provides a scalable option for developers looking to manage complex tasks within stringent power and space budgets, making it a preferred choice for advanced embedded systems.
AT32UC3A3256-ALUR Features
The AT32UC3A3256-ALUR microcontroller is equipped with several features that enhance its utility in complex embedded systems:
- 32-bit AVR architecture providing efficient processing and optimal power consumption.
- 256KB of flash memory ensuring ample space for application code and data storage.
- High-performance capabilities with a clock speed sufficient for intensive applications.
- Comprehensive interface options including SPI, UART, and USB, facilitating versatile peripheral integrations.
- 144-pin LQFP package, offering a compact footprint suitable for space-sensitive applications.
AT32UC3A3256-ALUR Applications
- Industrial Automation: This MCU can be used to manage and control machinery in automated production lines, providing reliable processing capabilities that help maintain efficiency and precision.
- Medical Devices: Its high reliability and robust feature set make it suitable for critical medical applications such as monitoring systems and portable diagnostic instruments.
- Consumer Electronics: The AT32UC3A3256-ALUR is perfect for enhancing the intelligence and connectivity of smart home devices and personal gadgets, owing to its powerful interface options.
- Automotive: This microcontroller supports applications in automotive modules, including infotainment systems and advanced driver-assistance systems (ADAS), by providing the necessary computational power and connectivity features.
- Communication Systems: It is also ideal for communication infrastructure equipment, facilitating data handling and signal processing tasks efficiently.
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