Status: In Production
High-performance, low-power 32-bit AVR RISC-based microcontroller combines 512KB flash, 64KB SRAM, 10/100 ethernet MAC, full-speed (12 Mbps) USB 2.0 with embedded host capability, I2S, and a built-in audio D/A converter.
The MCU achieves 91 Dhrystone MIPS (DMIPS) at 66 MHz while consuming only 40 mA at 3.3V.
The Peripheral Direct Memory Access (PDCA) controller transfers data between peripherals and memories without processor involvement, drastically reducing processing with continuous large data streams within the MCU.
High Performance, Low Power 32-Bit Atmel® AVR® Microcontroller
Up to 91 DMIPS Running at 66 MHz from Flash (1 Wait-State)
Up to 49 DMIPS Running at 33MHz from Flash (0 Wait-State)
Memory Protection Unit (MPU)
Multi-hierarchy Bus System
512K Bytes, 256K Bytes, 128K Bytes Versions, Single Cycle Access up to 33 MHz
64K Bytes (512KB and 256KB Flash), 32K Bytes (128KB Flash)
External Memory Interface on AT32UC3A0 Derivatives
SDRAM / SRAM Compatible Memory Bus (16-bit Data and 24-bit Address Buses)
Power and Clock Manager Including Internal RC Clock and One 32KHz Oscillator
Two Multipurpose Oscillators and Two Phase-Lock-Loop (PLL) allowing Independent CPU Frequency from USB Frequency
Watchdog Timer, Real-Time Clock Timer
5V Input Tolerant I/Os
Single 3.3V Power Supply or Dual 1.8V-3.3V Power Supply
100-pin TQFP (69 GPIO pins), 144-pin LQFP (109 GPIO pins), 144 BGA (109 GPIO pins)
Temperature operating range
USB 2.0 Device: Full Speed and On-The-Go (OTG) Low Speed and Full Speed
Flexible End-Point Configuration and Management with Dedicated DMA Channels
On-chip Transceivers Including Pull-Ups
Ethernet MAC 10/100 Mbps interface
802.3 Ethernet Media Access Controller
Supports Media Independent Interface (MII) and Reduced MII (RMII)
One Three-Channel 16-bit Timer/Counter (TC)
One 7-Channel 16-bit Pulse Width Modulation Controller (PWM)
Four Universal Synchronous/Asynchronous Receiver/Transmitters (USART)
Independent Baud rate Generator, Support for SPI, IrDA and ISO7816 interfaces
Support for Hardware Handshaking, RS485 Interfaces and Modem Line
Two Master/Slave Serial Peripheral Interfaces (SPI) with Chip Select Signals
One Synchronous Serial Protocol Controller
Supports I2S and Generic Frame-Based Protocols
One Master/Slave Two-Wire Interface (TWI), 400kbit/s I2C-compatible
One 8-channel 10-bit Analog-To-Digital Converter\
16-bit Stereo Audio Bitstream
Sample Rate Up to 50 KHz
Debugger Development Support
On-Chip Debug System (JTAG interface)
Nexus Class 2+, Runtime Control, Non-Intrusive Data and Program Trace
Studio 7 is the integrated development platform (IDP) for developing and debugging all AVR® and SAM microcontroller applications. The Atmel Studio 7 IDP gives you a seamless and easy-to-use environment to write, build and debug your applications written in C/C++ or assembly code. It also connects seamlessly to the debuggers, programmers and development kits that support AVR® and SAM...
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NOTE: The UC3-A3 Xplainedis suited for evaluation ofboth UC3A3 and UC3A4 microcontrollers....
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Power Debugger is a powerful development tool for debugging and programming AVR microcontrollers using UPDI, JTAG, PDI, debugWIRE, aWire, TPI or SPI target interfaces and ARM® Cortex®-M based SAM microcontrollers using JTAG or SWD target interfaces.
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A complete starter kit and development system for the 8-bit and 32-bit AVR microcontrollers that gives designers a quick start to develop code on the AVR, with advanced features for prototyping and testing new designs.
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Routing card for 48-pin AVR UC3 B1 series in TQFP and QFN socket supplements the STK6000 Starter Kit.
For an overview of card combinations and supported devices see Device Support Table
For pricing and availability, contact Microchip Local Sales.