Features
High Performance, Low Power 32-Bit Atmel AVR Microcontroller
Compact Single-cycle RISC Instruction Set Including DSP Instruction Set
Read-Modify-Write Instructions and Atomic Bit Manipulation
Performing up to 1.39 DMIPS / MHz
Up to 83 DMIPS Running at 60 MHz from Flash
Up to 46 DMIPS Running at 30 MHz from Flash
Memory Protection Unit
Multi-hierarchy Bus System
32-bit ATMEL
High-Performance Data Transfers on Separate Buses for Increased Performance
7 Peripheral DMA Channels Improves Speed for Peripheral Communication
AVR
Internal High-Speed Flash
512K Bytes, 256K Bytes, 128K Bytes, 64K Bytes Versions
Microcontroller
Single Cycle Access up to 30 MHz
Prefetch Buffer Optimizing Instruction Execution at Maximum Speed
4ms Page Programming Time and 8ms Full-Chip Erase Time
100,000 Write Cycles, 15-year Data Retention Capability AT32UC3B0512
Flash Security Locks and User Defined Configuration Area
AT32UC3B0256
Internal High-Speed SRAM, Single-Cycle Access at Full Speed
96K Bytes (512KB Flash), 32K Bytes (256KB and 128KB Flash), 16K Bytes (64KB
AT32UC3B0128
Flash)
Interrupt Controller
AT32UC3B064
Autovectored Low Latency Interrupt Service with Programmable Priority
System Functions
AT32UC3B1512
Power and Clock Manager Including Internal RC Clock and One 32KHz Oscillator
Two Multipurpose Oscillators and Two Phase-Lock-Loop (PLL) allowing
AT32UC3B1256
Independant CPU Frequency from USB Frequency
Watchdog Timer, Real-Time Clock Timer AT32UC3B1128
Universal Serial Bus (USB)
AT32UC3B164
Device 2.0 and Embedded Host Low Speed and Full Speed
Flexible End-Point Configuration and Management with Dedicated DMA Channels
On-chip Transceivers Including Pull-Ups
USB Wake Up from Sleep Functionality
One Three-Channel 16-bit Timer/Counter (TC)
Three External Clock Inputs, PWM, Capture and Various Counting Capabilities
One 7-Channel 20-bit Pulse Width Modulation Controller (PWM)
Three Universal Synchronous/Asynchronous Receiver/Transmitters (USART)
Independant Baudrate Generator, Support for SPI, IrDA and ISO7816 interfaces
Support for Hardware Handshaking, RS485 Interfaces and Modem Line
One Master/Slave Serial Peripheral Interfaces (SPI) with Chip Select Signals
One Synchronous Serial Protocol Controller
2
S and Generic Frame-Based Protocols
Supports I
2
One Master/Slave Two-Wire Interface (TWI), 400kbit/s I C-compatible
One 8-channel 10-bit Analog-To-Digital Converter, 384ks/s
16-bit Stereo Audio Bitstream DAC
Sample Rate Up to 50 KHz
QTouch Library Support
Capacitive Touch Buttons, Sliders, and Wheels
QTouch and QMatrix Acquisition
32059L01/2012AT32UC3B
On-Chip Debug System (JTAG interface)
Nexus Class 2+, Runtime Control, Non-Intrusive Data and Program Trace
64-pin TQFP/QFN (44 GPIO pins), 48-pin TQFP/QFN (28 GPIO pins)
5V Input Tolerant I/Os, including 4 high-drive pins
Single 3.3V Power Supply or Dual 1.8V-3.3V Power Supply
2
32059LAVR3201/2012