AT32UC3A1128-AUT
- Mfr.Part #
- AT32UC3A1128-AUT
- Manufacturer
- Microchip Technology
- Package / Case
- 100-TQFP
- Datasheet
- Download
- Description
- IC MCU 32BIT 128KB FLASH 100TQFP
- Stock
- 13,038
- In Stock :
- 13,038
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Timers/Counters :
- 3
- Supply Voltage :
- 1.8V
- Reach Compliance Code :
- Compliant
- Data Converters :
- A/D 8x10b
- Number of Terminations :
- 100
- Operating Supply Voltage (Min) :
- 1.65/3(V)
- Package / Case :
- 100-TQFP
- EEPROM Size :
- --
- Width :
- 14mm
- Oscillator Type :
- Internal
- Number of Ethernet Channels :
- 1
- Peak Reflow Temperature (Cel) :
- 260
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- RoHS :
- Details
- Core Size :
- 32-Bit
- JESD-30 Code :
- S-PQFP-G100
- Pbfree Code :
- yes
- Series :
- AVR®32 UC3 A1
- Additional Feature :
- IT ALSO OPERATES AT 3.3 V
- Interface :
- 2-Wire, Ethernet, I2C, I2S, SPI, Serial, UART, USART, USB
- Instruction Set Architecture :
- RISC
- DMA Channels :
- yes
- Number of Pins :
- 100
- RAM (bytes) :
- 32768
- Interface Type :
- 2-Wire, RS-485, SPI, USART
- Maximum Operating Temperature :
- + 85 C
- Connectivity :
- Ethernet, I2C, SPI, SSC, UART/USART, USB OTG
- Device Core :
- AVR
- Number of I/O :
- 69
- Supplier Device Package :
- 100-TQFP (14x14)
- Tradename :
- AVR
- Operating Supply Voltage (Typ) :
- 1.8/2.5/3.3(V)
- Terminal Pitch :
- 0.5mm
- Operating Temp Range :
- -40C to 85C
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Mount :
- Surface Mount
- Seated Height-Max :
- 1.2 mm
- Product Status :
- Active
- REACH SVHC :
- No SVHC
- Number of ADC Channels :
- 8
- Terminal Form :
- Gull wing
- Rad Hardened :
- No
- Manufacturer :
- Microchip
- Memory Size :
- 128kB
- Published :
- 2009
- Data Converter :
- A/D 8x10b
- Number of PWM Channels :
- 7
- Maximum Expanded Memory Size :
- 64MB
- Radiation Hardening :
- No
- Product :
- MCU
- Pin Count :
- 100
- Speed :
- 66MHz
- Surface Mount :
- yes
- RAM Size :
- 32K x 8
- Device Core Size :
- 32(b)
- Operating Supply Voltage :
- 3.3V
- Has ADC :
- yes
- Number of Terminals :
- 100
- Height :
- 1.05mm
- Operating Temperature (Min) :
- -40C
- RoHS Status :
- ROHS3 Compliant
- Qualification Status :
- Not Qualified
- Mounting Type :
- Surface Mount
- Programmable :
- yes
- External Data Bus Width :
- 16
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Mounting :
- Surface Mount
- Number of SPI Channels :
- 2
- Program Memory Type :
- Flash
- CPU Family :
- AVR RISC
- Contact Plating :
- Tin
- ROM (words) :
- 131072
- Address Bus Width :
- 24
- Length :
- 14mm
- Number of I/O Lines :
- 69
- Core Processor :
- AVR
- Interfaces :
- Ethernet/I2S/JTAG/SP
- # I/Os (Max) :
- 69
- Clock Freq :
- 66(MHz)
- Terminal Finish :
- Matte Tin (Sn)
- Product Category :
- 32-bit Microcontrollers - MCU
- JESD-609 Code :
- e3
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Frequency :
- 66MHz
- Temperature Grade :
- Industrial
- Minimum Operating Temperature :
- - 40 C
- Number of I/Os :
- 69 I/O
- Operating Temperature Classification :
- Industrial
- Operating Temperature :
- -40°C~85°C TA
- Total Internal Ram Size :
- 32KB(kB)
- Base Part Number :
- AT32UC3A1128
- Package Shape :
- Square
- Program Memory Size :
- 128KB 128K x 8
- Number of Timers - General Purpose :
- 3
- PWM Channels :
- yes
- Operating Supply Voltage (Max) :
- 1.95/3.6(V)
- Terminal Position :
- QUAD
- Mounting Style :
- SMD/SMT
- Operating Temperature (Max) :
- 85C
- Package Type :
- TQFP
- Data Bus Width :
- 32b
- Packaging :
- Tray
- DAC Channels :
- yes
- ROM Programmability :
- Flash
- Brand :
- Microchip Technology
- Package :
- Tray
- Base Product Number :
- AT32UC3
- Factory Lead Time :
- 27 Weeks
- Bit Size :
- 32
- Voltage - Supply (Vcc/Vdd) :
- 1.65V~3.6V
- Product Type :
- 32-bit Microcontrollers - MCU
- Power Supplies :
- 1.8,3.3 V
- Datasheets
- AT32UC3A1128-AUT
AT32UC3A1128-AUT Documents

Microcontrollers Microchip Technology AT32UC3A1128-AUT Overview
The Microcontrollers Microchip Technology AT32UC3A1128-AUT is a high-performance, low-power 32-bit AVR microcontroller that combines robust functionality with advanced features, designed to meet the demands of sophisticated embedded systems. Built on Microchip's renowned technology, this MCU is equipped with 128KB of in-system programmable flash and operates at up to 66 MHz. It is housed in a compact 100-TQFP package, making it ideal for space-constrained applications. Its extensive set of peripherals and low power consumption make it especially suitable for applications requiring high-speed processing and minimal power usage, thus driving efficiency and reliability in system design.
AT32UC3A1128-AUT Features
The AT32UC3A1128-AUT features include a 32-bit AVR core, 128KB of flash memory, and a wide range of connectivity options including USART, SPI, and USB interfaces. The device supports a full-speed USB 2.0 interface for communication and can operate at voltages ranging from 1.65V to 3.6V. It also includes advanced security features with its built-in cryptographic engine, ensuring secure data transfer and storage. Additional functionalities like DMA channels, timers, and PWM outputs enhance its versatility, making it a robust choice for complex digital control tasks.
AT32UC3A1128-AUT Applications
- Industrial Automation: Utilized in control systems for real-time management of machinery, enhancing operational efficiency and precision.
- Medical Devices: Powers sophisticated medical diagnostics equipment, ensuring reliable processing capabilities for critical healthcare applications.
- Consumer Electronics: Drives the core functionality in devices like smart home controllers and portable electronics, offering robust performance and extended battery life.
- Automotive Systems: Used in automotive applications for vehicle control systems and infotainment, ensuring high reliability and performance under rigorous conditions.
- Communication Systems: Integral to the operation of communication infrastructure, supporting complex signal processing tasks and data management.
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