AT32UC3B0512-A2UR

Microcontrollers Overview

The AT32UC3B0512-A2UR is a 32-bit microcontroller based on the AVR32 UC RISC processor, operating at frequencies up to 60 MHz. It features 512 KB of internal high-speed Flash memory and 96 KB of SRAM. The device includes a Memory Protection Unit (MPU), seven Peripheral DMA channels, and a Class 2+ On-Chip Debug system with Nexus trace capabilities. Connectivity options include Full-Speed USB 2.0 Device and Embedded Host interfaces, three USARTs, one SPI, one TWI, an SSC, and an 8-channel 10-bit ADC. It supports a 16-bit stereo audio bitstream DAC and QTouch library for capacitive sensing.

Microcontrollers Feature Summary

• AVR32 UC 32-bit RISC core with DSP instructions and Memory Protection Unit
• Integrated Full-Speed USB 2.0 Device and Embedded Host interface
• Class 2+ On-Chip Debug System with non-intrusive real-time trace
• Seven Peripheral DMA channels for high-performance data transfers

Microcontrollers Applications

• High-speed USB devices and hosts
• Audio applications requiring I2S or bitstream DAC output
• Capacitive touch control interfaces using QTouch technology
• SD/SDIO card and MLC NAND flash controllers

Microcontrollers Procurement Notes

Verify the specific package variant corresponding to the suffix 'A2UR' against the manufacturer's official documentation to ensure correct pinout and thermal characteristics. Confirm that the ordering suffix does not alter the functional specifications or memory configuration defined in the standard datasheet. Cross-reference the component marking with the official device identification guide to prevent counterfeit substitution.

Microcontrollers Selection Notes

Select this model when 512 KB of program memory and 96 KB of RAM are required for complex embedded tasks. It is suitable for designs needing integrated USB host/device functionality alongside rich peripheral sets like SSC and multiple USARTs. Consider the 64-pin TQFP/QFN package constraints and the dual power supply requirements for VDDCORE and VDDIO during the hardware design phase.

Microcontrollers Part Context

This component belongs to the AT32UC3B series within the Microchip AVR32 family. It shares architectural similarities with the AT32UC3A and AT32UC3C series but offers distinct memory configurations and package options tailored for cost-sensitive, low-power applications. The series emphasizes high code density and performance efficiency through its single-cycle RISC instruction set.

Microcontrollers Replacement Considerations

AT32UC3B0512-AUT

Microcontrollers FAQ

Does the AT32UC3B0512 support Java hardware acceleration?

No, the AVR32UC CPU implemented in this device does not provide Java hardware acceleration.

What is the maximum clock frequency for the AT32UC3B0512?

The processor runs at frequencies up to 60 MHz.

How many GPIO pins are available on the 64-pin package version?

The 64-pin TQFP/QFN package provides 44 General Purpose Input/Output (GPIO) pins.