32-bit AVR microcontroller featuring a 66MHz core, 256KB FLASH memory, and 64KB RAM. Offers 69 programmable I/Os and supports SPI, USART, I2C, USB, Ethernet, UART, and I2S interfaces. Operates from 1.65V to 3.6V with an internal oscillator and includes peripherals like Brown-out Detect, POR, PWM, and a Watchdog Timer. Packaged in a 100-pin TQFP with tin-matte plating for surface mounting.
Frequency66MHz
PackageTQFP
MountingSurface Mount
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Technical Specifications
Microchip AT32UC3A1256-AUR technical specifications.
General
Package/Case
TQFP
Contact Plating
Tin, Matte
Core Architecture
AVR
Data Bus Width
32b
Frequency
66MHz
Interface
SPI, USART, 2-Wire, I2C, USB, Ethernet, UART, I2S
Max Frequency
66MHz
Max Operating Temperature
85°C
Min Operating Temperature
-40°C
Max Supply Voltage
3.6V
Memory Size
256KB
Memory Type
FLASH,
Min Supply Voltage
1.65V
Mount
Surface Mount
Number of I/Os
69
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 A1
Watchdog Timer
Yes
Compliance
RoHS
Not Compliant
Datasheet
Microchip AT32UC3A1256-AUR Datasheet
Download the complete datasheet for Microchip AT32UC3A1256-AUR to view detailed technical specifications.
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