32-bit AVR microcontroller featuring 256KB FLASH and 64KB RAM. Operates at up to 66MHz with a 32-bit data bus. Offers extensive connectivity including SPI, USART, I2C, USB, Ethernet, UART, EBI/EMI, and I2S interfaces. Housed in a 144-pin LQFP package for surface mounting, with 109 I/Os and 69 programmable I/Os. Supports a wide operating voltage range of 1.65V to 3.6V and includes integrated peripherals like POR, PWM, and WDT.
Frequency66MHz
PackageLQFP
MountingSurface Mount
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Technical Specifications
Microchip AT32UC3A0256-ALUR technical specifications.
General
Package/Case
LQFP
Contact Plating
Tin, Matte
Core Architecture
AVR
Data Bus Width
32b
Frequency
66MHz
Interface
SPI, USART, 2-Wire, I2C, USB, Ethernet, UART, EBI/EMI, I2S
Max Frequency
66MHz
Max Operating Temperature
85°C
Max Supply Voltage
3.6V
Memory Size
256KB
Memory Type
FLASH,
Min Operating Temperature
-40°C
Min Supply Voltage
1.65V
Mount
Surface Mount
Number of I/Os
109
Number of Programmable I/O
69
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, PWM, WDT
RAM Size
64KB
RoHS Compliant
No
Series
AVR®32 UC3 A0
Compliance
RoHS
Not Compliant
Datasheet
Microchip AT32UC3A0256-ALUR Datasheet
Download the complete datasheet for Microchip AT32UC3A0256-ALUR to view detailed technical specifications.
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