ATUC256L3U-AUT
- Mfr.Part #
- ATUC256L3U-AUT
- Manufacturer
- Microchip Technology
- Package / Case
- 64-TQFP Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 256KB FLASH 64TQFP
- Stock
- 3,910
- In Stock :
- 3,910
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Frequency :
- 50MHz
- Bit Size :
- 32
- Number of Programmable I/O :
- 51
- Package / Case :
- 64-TQFP Exposed Pad
- Series :
- AVR®32 UC3 L
- ROM (words) :
- 65536
- Package :
- Tray
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Surface Mount :
- yes
- Number of USB Channels :
- 1
- Voltage - Supply (Vcc/Vdd) :
- 1.62V~3.6V
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Operating Supply Voltage (Max) :
- 1.98(V)
- Data Converters :
- A/D 8x12b
- Maximum Operating Temperature :
- + 85 C
- JESD-609 Code :
- e3
- CPU Family :
- AVR RISC
- Number of PWM Channels :
- 36
- RoHS :
- Details
- Has ADC :
- yes
- Operating Temp Range :
- -40C to 85C
- Core Architecture :
- AVR
- Program Memory Size :
- 256KB 256K x 8
- Memory Type :
- Flash
- Pin Count :
- 64
- Mounting Type :
- Surface Mount
- Device Core Size :
- 32(b)
- Max Operating Temperature :
- 85 °C
- Terminal Position :
- QUAD
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Connectivity :
- I2C, SPI, UART/USART, USB
- Watchdog Timer :
- yes
- Schedule B :
- 8542310000/8542310000/8542310000/8542310000/8542310000
- Device Core :
- AVR
- Published :
- 2012
- Operating Temperature :
- -40°C~85°C TA
- Number of SPI Channels :
- 1
- Number of Timers - General Purpose :
- 7
- Operating Temperature (Max) :
- 85C
- Instruction Set Architecture :
- RISC
- Minimum Operating Temperature :
- - 40 C
- Seated Height-Max :
- 1.2 mm
- Base Product Number :
- ATUC256
- Product :
- MCU
- Pbfree Code :
- yes
- Interface Type :
- SPI/USART/USB
- Mount :
- Surface Mount
- Min Supply Voltage :
- 1.62 V
- Number of Terminals :
- 64
- Rad Hardened :
- No
- Peak Reflow Temperature (Cel) :
- 260
- Temperature Grade :
- Industrial
- Operating Temperature Classification :
- Industrial
- Number of Terminations :
- 64
- Package Type :
- TQFP
- Peripherals :
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Terminal Pitch :
- 0.5mm
- DMA Channels :
- yes
- Program Memory Type :
- Flash
- Base Part Number :
- ATUC256L
- Memory Size :
- 256KB
- Mounting :
- Surface Mount
- DAC Channels :
- yes
- JESD-30 Code :
- S-PQFP-G64
- Weight :
- 360.605934mg
- Operating Supply Voltage (Typ) :
- 1.8(V)
- Core Processor :
- AVR
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Interface :
- I2C, SPI, UART, USART, USB
- Mounting Style :
- SMD/SMT
- Programmable :
- yes
- Core Size :
- 32-Bit
- Product Status :
- Active
- Power Supplies :
- 1.8,1.8/3.3 V
- Tradename :
- UC3
- PWM Channels :
- yes
- # I/Os (Max) :
- 51
- Supply Voltage :
- 1.8V
- Operating Temperature (Min) :
- -40C
- Qualification Status :
- Not Qualified
- Max Supply Voltage :
- 1.98 V
- ROM Programmability :
- Flash
- Clock Freq :
- 50(MHz)
- Max Frequency :
- 50 MHz
- Width :
- 10mm
- RAM Size :
- 32K x 8
- Number of I2C Channels :
- 2
- Min Operating Temperature :
- -40 °C
- Operating Supply Voltage (Min) :
- 1.62(V)
- Data Bus Width :
- 32b
- Speed :
- 50MHz
- Data Converter :
- A/D 8x12b
- Total Internal Ram Size :
- 32KB(kB)
- Terminal Form :
- Gull wing
- Supplier Device Package :
- 64-TQFP (10x10)
- Oscillator Type :
- Internal
- Number of Timers/Counters :
- 7
- Number of ADC Channels :
- 8
- Number of I/Os :
- 51 I/O
- Height :
- 1mm
- EEPROM Size :
- --
- Terminal Finish :
- Matte Tin (Sn)
- Packaging :
- Tray
- Length :
- 10mm
- Number of I/O Lines :
- 51
- Product Category :
- 32-bit Microcontrollers - MCU
- Manufacturer :
- Microchip
- Contact Plating :
- Tin
- Factory Lead Time :
- 9 Weeks
- Interfaces :
- SPI/USART/USB
- RoHS Status :
- ROHS3 Compliant
- Brand :
- Microchip Technology
- Product Type :
- 32-bit Microcontrollers - MCU
- Reach Compliance Code :
- Compliant
- RAM (bytes) :
- 32768
- Number of I/O :
- 51
- Operating Supply Voltage :
- 1.8V
- Number of Pins :
- 64
- Package Shape :
- Square
- Datasheets
- ATUC256L3U-AUT
ATUC256L3U-AUT Documents

Microcontrollers Microchip Technology ATUC256L3U-AUT Overview
The Microcontrollers Microchip Technology ATUC256L3U-AUT is a high-performance, 32-bit MCU that is part of Microchip's renowned AVR UC3 series. Designed for efficiency and versatility, this MCU is packed with a 256KB flash memory and operates under a wide voltage range. Its architecture is optimized for applications requiring high-speed processing and multiple connectivity options. The Microchip Technology ATUC256L3U-AUT provides a robust solution for advanced embedded systems, combining power efficiency with high computing performance.
ATUC256L3U-AUT Features
This microcontroller features a 32-bit AVR architecture, which offers an excellent balance of power consumption and processing speed, making it ideal for battery-operated applications. It also supports advanced features such as DSP instructions, multiple communication interfaces (including SPI, I2C, and USB), and high-resolution PWM outputs. Enhanced safety features, including watchdog timers and brown-out detection, ensure reliable operation in critical applications.
ATUC256L3U-AUT Applications
- Automotive Systems: Utilized in engine control units and dashboard electronics, the MCU's robust processing capabilities and connectivity options ensure reliable performance in automotive environments.
- Industrial Automation: Supports advanced control systems for machinery and production lines, facilitating process optimization through high-speed data processing and communication capabilities.
- Consumer Electronics: Ideal for portable devices and home automation systems, where its power efficiency and capability to handle multiple inputs and outputs enhance user interfaces and connectivity.
- Medical Devices: Used in portable medical diagnostics and monitoring equipment, providing the necessary computational power and data security for critical healthcare applications.
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