Datasheets

Atmel AVR 32-bit Architecture Manual

Atmel AVR 32-bit Architecture Manual Complete
( file size: 5108318 , 377 pages , revision D , updated: 04/2011 )

AVR32UC Technical Reference

AVR32UC Technical Reference
( file size: 1129853 , 159 pages , revision F , updated: 03/2010 )

ATUCL3U/L4U Series

ATUCL3U/L4U Series Complete
( file size: 11.6MB , 963 pages , revision D , updated: 06/2013 )

ATUCL3U/L4U Series

ATUCL3U/L4U Series Summary
( file size: 428.7KB , 45 pages , revision D , updated: 06/2013 )

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The high-performance 32-bit AVR microcontroller is designed for cost-sensitive embedded applications that require low power consumption, high code density, and high performance. The device includes USB Full-speed device interface.

The microcontroller's Memory Protection Unit (MPU) and fast, flexible interrupt controller support the latest real-time operating systems. The Secure Access Unit (SAU) with MPU provides enhanced security and integrity. Higher computation capability is achieved using a rich set of DSP instructions.

The microcontroller embeds state-of-the-art picoPower technology for ultra-low power consumption. Combinations of power control techniques bring active current consumption down to 165µA/MHz and leakage down to 9nA while still retaining a bank of backup registers. The device offers a wide range of trade-offs between functionality and power consumption to reach the lowest possible power usage for the application's required feature set.

Related Devices

Type
Device

Memory:

ATUC256L3U
32-bit Atmel® AVR® Microcontroller, 256KB Flash, 64-pin, USB Full-speed Device, CAT Module, FlashVault code protection

Memory:

ATUC64L3U
32-bit Atmel® AVR® Microcontroller, 64KB Flash, 64-pin, USB Full-speed Device, CAT Module, FlashVault code protection

Key Parameters

Parameter
Value

Flash (Kbytes):

128 Kbytes

Pin Count:

64

Max. Operating Freq. (MHz):

50 MHz

CPU:

32-bit AVR

# of Touch Channels:

25

Hardware QTouch Acquisition:

Yes

Max I/O Pins:

51

Ext Interrupts:

51

USB Transceiver:

1

USB Speed:

Full Speed

 

Ordering Codes

Ordering Code Package Speed Power Supply Operational Range Comment Buy Online Samples
ATUC128L3U-AUT TQFP MF 64 50 1.62-3.6 Industrial (A) (-40°C to 85°C) Buy Request
ATUC128L3U-AUR TQFP MF 64 50 1.62-3.6 Industrial (A) (-40°C to 85°C) Tape and Reel Buy Request
ATUC128L3U-ZUT VQFN (Sawn) PJ 64 50 1.62-3.6 Industrial (A) (-40°C to 85°C) Buy
ATUC128L3U-ZUR VQFN (Sawn) PJ 64 50 1.62-3.6 Industrial (A) (-40°C to 85°C) Tape and Reel Buy