ATMEL AT32UC3B Series Chip Unlock


AT32UC3B Overview

The ATMEL AT32UC3B Chip is a 32-bit microcontroller that is highly advanced and powerful. It is based on a RISC architecture, which helps to ensure fast execution times and low power usage. The AT32UC3B is capable of executing 16-bit and 32-bit instructions, making it one of the fastest microcontrollers available. It also supports up to 8MB of external Flash memory, making it great for applications that require large amounts of data storage. This chip is also capable of supporting up to 128KB of SRAM and up to four USB ports. Other features include a 100MHz clock speed, a 32-bit Real Time Clock, and an embedded web server. The AT32UC3B is an excellent choice for a wide range of applications, making it an ideal choice for anyone looking for a powerful, feature-rich microcontroller.

AT32UC3B Pinout

AT32UC3B Pinout
AT32UC3B Pinout

AT32UC3B Features

  • High Performance, Low Power
  • Compact Single-cycle RISC Instruction Set
  • Watchdog Timer, Real-Time Clock Timer
  • Independant CPU Frequency from USB Frequency
  • USB Wake Up from Sleep Functionality
  • On-chip Transceivers Including Pull-Ups
  • On-Chip Debug System (JTAG interface)
  • Flash Security Locks and User Defined Configuration Area
  • Internal High-Speed SRAM, Single-Cycle Access at Full Speed
  • Capacitive Touch Buttons, Sliders, and Wheels
  • Support for Hardware Handshaking, RS485 Interfaces and Modem Line
  • Prefetch Buffer Optimizing Instruction Execution at Maximum Speed
  • Autovectored Low Latency Interrupt Service with Programmable Priority
  • Flexible End-Point Configuration and Management with Dedicated DMA Channels

AT32UC3B Specification

Package64-Pin TQFP/QFN, 48-pin TQFP/QFN
Moisture Sensitivity Level (MSL)3 (168 hours)
Flash Memory128 kB
SeriesEmbedded - Microcontrollers
Other namesAVR®32 UC3 B
Core ProcessorAVR
Kernel Specifications32-bit
ConnectivityI²C, IrDA, SPI, SSC, UART/USART, USB
PeripheralsBrown-out detection/reset, DMA, POR, PWM, WDT
Number of I/Os44
Program Memory Capacity256KB (256K x 8)
Program Memory TypeFlash
RAM Size32K x 8
Voltage - Supply (Vcc/Vdd)1.65V ~ 3.6V
Data ConverterA/D 8x10b
Working temperature-40°C ~ 85°C (TA)
Mounting TypeSurface Mount

AT32UC3X Series Model

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