Atmel AT32UC3A4128-C1UT

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Product attributes Property Value
Manufacturer Atmel
Product Series AVR®32 UC3 A4
Packaging Bulk |
Core Processor AVR
Core Size 32-Bit Single-Core
Speed 66MHz
Connectivity EBI/EMI, I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG
Peripherals Brown-out Detect/Reset, DMA, POR, WDT
Number of I/O 88
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 128K x 8
Voltage - Supply (Vcc/Vdd) 1.75V ~ 3.6V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 100-VFBGA (7x7)
Package / Case 100-VFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The AT32UC3A4128-C1UT from Atmel is a 32-bit AVR32 microcontroller designed for high-performance embedded applications. It operates from 1.75V to 3.6V and runs at up to 66MHz. The device includes 128KB of flash and 128KB of SRAM, offering generous memory for complex applications. Integrated features include DMA, brown-out detection, POR, and WDT. The 100-ball VFBGA package provides a compact solution for space-constrained designs. It is suitable for audio, industrial, and portable applications operating from -40°C to 85°C.

  • High-speed AVR32 core (66MHz): Delivers superior processing power for DSP and control tasks.
  • Large 128KB SRAM: Enables buffering of large data sets without external memory.
  • Wide voltage range (1.75V-3.6V): Flexible power supply options, including single-cell batteries.
  • DMA controller: Offloads data transfer tasks, improving real-time performance.
  • Compact VFBGA package: Ideal for miniaturized electronic devices.

Audio Processing Systems

The 66MHz AVR32 core with 128KB RAM handles real-time audio DSP algorithms. DMA transfers audio samples without CPU intervention.

Industrial Automation HMI

With 100 I/O pins, it interfaces with touchscreens and encoders. The 128KB flash stores graphics data and control logic.

Portable Instrumentation

Operating from 1.75V to 3.6V, it works with a single Li-ion cell. The WDT ensures reliable operation in field use.

Wireless Sensor Nodes

The low voltage and 66MHz speed balance performance and power. DMA reduces wake-up time, extending battery life.

Motor Control Drives

PWM outputs generate precise motor waveforms. The brown-out detector prevents glitches during voltage sags.

Embedded Vision Cameras

The 128KB RAM buffers image frames, while the AVR32 core processes basic image features. The VFBGA package saves space in compact camera modules.

Q: What is the core architecture of the AT32UC3A4128-C1UT?
A: It uses the AVR32 UC3 RISC core running at up to 66MHz.
Q: What is the supply voltage range?
A: It operates from 1.75V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 128KB of flash and 128KB of SRAM.
Q: What package is available?
A: It comes in a 100-ball VFBGA package.
Q: Does it support DMA?
A: Yes, it includes a DMA controller for high-speed data movement.
Base Product Number : AT32UC3A4128
100-VFBGA 128KB flash 128KB RAM 32-bit MCU 66MHz AT32UC3A4128 audio AVR32 brown-out detect DMA industrial portable PWM
Q: What is the core architecture of the AT32UC3A4128-C1UT?
A: It uses the AVR32 UC3 RISC core running at up to 66MHz.
Q: What is the supply voltage range?
A: It operates from 1.75V to 3.6V.
Q: How much flash and RAM does it have?
A: It has 128KB of flash and 128KB of SRAM.
Q: What package is available?
A: It comes in a 100-ball VFBGA package.
Q: Does it support DMA?
A: Yes, it includes a DMA controller for high-speed data movement.