ATMEL AT32UC3B Series Chip Unlock

Case of chip decryption of metal detector AT32UC3B0256

AT32UC3B Series

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.



  • Model: AT32UC3B0256-A2UR
  • Package: TQFP-64_10x10x05P
  • Description: IC MCU 32BIT 256KB FLASH 64TQFP
  • Moisture Sensitivity Level (MSL): 3 (168 hours)
  • Detailed description: AVR-series-microcontroller-IC-32-bit-60MHz-256KB (256K-x-8)-flash memory-64-TQFP (10×10)
  • Data list: AT32UC3B Series Complete;
  • Standard package: AT32UC3B Series Summary;
  • Series: Embedded – Microcontrollers
  • Other names: AVR®32 UC3 B
  • Core Processor: AVR
  • Kernel Specifications: 32-bit
  • Speed: 60MHz
  • Connectivity: I²C, IrDA, SPI, SSC, UART/USART, USB
  • Peripherals: Brown-out detection/reset, DMA, POR, PWM, WDT
  • Number of I/Os: 44
  • Program memory capacity: 256KB (256K x 8)
  • Program Memory Type: Flash
  • RAM size: 32K x 8
  • Voltage – Supply (Vcc/Vdd): 1.65V ~ 3.6V
  • Data Converter: A/D 8x10b
  • Working temperature: -40°C ~ 85°C (TA)
  • Mounting Type: Surface Mount
  • Package/Case: 64-TQFP
  • Supplier Device Package: 64-TQFP (10×10)

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