32-bit AVR microcontroller featuring 128KB FLASH and 96KB RAM. Operates at up to 66MHz with a 32-bit data bus. Offers 110 I/Os, including 23 programmable, and supports SPI, I2C, USB, UART, and more interfaces. Packaged in a 144-pin LQFP for surface mounting, with an operating voltage range of 1.81V to 3.6V. Includes peripherals like DMA, PWM, and a watchdog timer.
Frequency66MHz
PackageLQFP
MountingSurface Mount
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Technical Specifications
Microchip AT32UC3A3128S-ALUR technical specifications.
General
Package/Case
LQFP
Contact Plating
Tin, Matte
Core Architecture
AVR
Data Bus Width
32b
Frequency
66MHz
Interface
SPI, I2S, USART, 2-Wire, I2C, USB, IrDA, UART, EBI/EMI, SCI
Max Frequency
66MHz
Max Operating Temperature
85°C
Min Operating Temperature
-40°C
Max Supply Voltage
3.6V
Memory Size
128KB
Memory Type
FLASH,
Min Supply Voltage
1.81V
Mount
Surface Mount
Number of I/Os
110
Number of Programmable I/O
23
Number of Timers/Counters
3
Operating Supply Voltage
3.3V
Oscillator Type
Internal
Package Quantity
1
Packaging
Tape and Reel
Peripherals
Brown-out Detect/Reset, POR, WDT, DMA, PWM
RAM Size
96KB
RoHS Compliant
Yes
Series
AVR®32 UC3 A3
Watchdog Timer
Yes
Compliance
RoHS
Compliant
Datasheet
Microchip AT32UC3A3128S-ALUR Datasheet
Download the complete datasheet for Microchip AT32UC3A3128S-ALUR to view detailed technical specifications.
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