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AT32UC3A0512
  • AT32UC3A0512
  • AT32UC3A0512

AT32UC3A0512

In Production

The high-performance, low-power 32-bit AVR RISC-based microcontroller combines 512KB flash, 64KB SRAM, 10/100 ethernet MAC, full-speed (12 Mbps) USB 2.0 with embedded host capability, I2S, and a built-in audio D/A converter. This device features SRAM/SDRAM external bus interface and achieves 91 Dhrystone MIPS (DMIPS) at 66MHz while consuming only 40mA at 3.3V.The Peripheral Direct Memory Access (PDCA) controller transfers data between peripherals and memories without processor involvement, drastically reducing processing with continuous large data streams within the MCU....

Microchip Technology AT32UC3A0512 Product Info

16 April 2026 0

Parameters

Part Family

AVR A0/A1 Series

CPU Type

32-bit AVR MCU

MaxSpeed (MHz)

66

Program Memory Size (KB)

512

SRAM (KB)

64

Temp. Range Min.

-40

Temp. Range Max.

85

Operation Voltage Min.(V)

3

Operation Voltage Max.(V)

3.6

SPI

6

I2C

1

UART

4

QSPI

0

Crypto Engine

No

Internal Oscillator

115Khz

Pin Count

144

Description

The high-performance, low-power 32-bit AVR RISC-based microcontroller combines 512KB flash, 64KB SRAM, 10/100 ethernet MAC, full-speed (12 Mbps) USB 2.0 with embedded host capability, I2S, and a built-in audio D/A converter.

This device features SRAM/SDRAM external bus interface and achieves 91 Dhrystone MIPS (DMIPS) at 66MHz while consuming only 40mA at 3.3V.

The Peripheral Direct Memory Access (PDCA) controller transfers data between peripherals and memories without processor involvement, drastically reducing processing with continuous large data streams within the MCU.

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