AT32UC3L0256-D3HR

Microcontrollers Overview

The AT32UC3L0256-D3HR is a 32-bit microcontroller based on the AVR32 UC RISC processor, operating at frequencies up to 50MHz. It features 256KB of internal high-speed Flash memory and 32KB of SRAM. The device supports a single power supply ranging from 1.62V to 3.6V. It includes 36 GPIO pins within a 48-pin TQFP package.

Microcontrollers Feature Summary

• Integrates picoPower technology for ultra-low power consumption with multi-hierarchy bus systems.
• Includes a Memory Protection Unit (MPU) and Secure Access Unit (SAU) for secure application execution.
• Features a Peripheral DMA controller to enable high-performance data transfers without CPU intervention.
• Supports capacitive touch sensing via the CAT module using QTouch technology.

Microcontrollers Applications

• Cost-sensitive embedded applications requiring low power consumption
• Real-time operating system implementations
• Applications utilizing secure library support via FlashVault technology

Microcontrollers Procurement Notes

Verify the specific ordering suffix D3HR against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with the required voltage domain and interface configurations before integration.

Microcontrollers Selection Notes

Select this component for designs needing a balance of performance and power efficiency. The 50MHz clock speed and DSP instructions suit signal processing tasks. Verify that the 36 available GPIO pins meet the I/O requirements of the target system.

Microcontrollers Part Context

This part belongs to the AT32UC3L series, designed for cost-sensitive embedded markets. It shares architectural similarities with other AVR32 UC devices but offers specific memory capacities and peripheral sets tailored for low-power operation.

Microcontrollers Replacement Considerations

Consult official substitution lists for compatible parts within the AT32UC3 family. Verify pinout and register compatibility when considering alternatives like the AT32UC3L0128 variant.

Microcontrollers FAQ

What is the maximum operating frequency of the AT32UC3L0256-D3HR?

The device runs at frequencies up to 50MHz.

Does the AT32UC3L0256-D3HR support capacitive touch interfaces?

Yes, it includes a Capacitive Touch (CAT) module supporting QTouch and QMatrix acquisition.

How does the device ensure code security?

It utilizes FlashVault technology and a Secure Access Unit (SAU) to protect proprietary code and allow secure library execution.