IC MCU 32BIT 256KB FLASH 100TQFP Product overview: AT32UC3A1256AU-AUR from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 32-bit, 32BIT, 256KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 32-bit, 32BIT, 256KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT32UC3A1256AU-A
Win Source Part Number: 1046509-AT32UC3A1256
Category: Integrated Circuits (ICs)>Embedded - Microcontrollers
Series: AVR®32 UC3 A1 Audio
Core Processor: AVR
Speed: 66MHz
Package: Tape & Reel
Standard Package: 1,000
Mounting: SMD (SMT)
Core Size: 32-Bit Single-Core
Connectivity: Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O: 69
Program Memory Size: 256KB (256K x 8)
Program Memory Type: FLASH
RAM Size: 64K x 8
Data Converters: A/D 8x10b
Oscillator Type: Internal
Package / Case: 100-TQFP
Supplier Device Package: 100-TQFP (14x14)
Temperature Range - Operating: -40°C ~ 85°C (TA)
Supply Voltage - Operating: 1.65V ~ 3.6V
Alternative Parts (Cross-Reference): AT32UC3C1256C-AUR; AT32UC3C1256C-AUT; AT32UC3C1256C-AZR;
ECCN: 3A991A2
Fake Threat In the Open Market: 77 pct.
MSL Level: 3 (168 Hours)
REACH Status: REACH Unaffected
HTSUS: 8542.31.0001
Mfr: Microchip Technology
Other Names: AT32UC3A1256AUAUR,AT
Base Product Number: AT32UC3A1256
Product Status: Obsolete
AVR AVR®32 UC3 A1 Audio Microcontroller IC 32-Bit Single-Core 66MHz 256KB (256K x 8) FLASH 100-TQFP (14x14)
IC MCU 32BIT 256KB FLASH 100TQFP
IC MCU 32BIT 256KB FLASH 100TQFP
AVR AVR®32 UC3 A1 Audio Microcontroller IC 32-Bit Single-Core 66MHz 256KB (256K x 8) FLASH 100-TQFP (14x14)
AVR AVR®32 UC3 A1 Audio Microcontroller IC 32-Bit Single-Core 66MHz 256KB (256K x 8) FLASH 100-TQFP (14x14)
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-AT32UC3A1256AU-AUR | 1046509-AT32UC3A1256AU-AUR | AT32UC3A1256AU-AURTR-ND | AT32UC3A1256AU-AUR | AT32UC3A1256AU-AUR | AT32UC3A1256AU-AUR | AT32UC3A1256AU-AUR |
| Product Name | 32-bit 32BIT 256KB Embedded Microcontroller MCU | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | Microcontrollers | Microcontrollers |
| Data Bus | 32 Bit | 32 Bit | 32 Bit | 32 Bit; 32-Bit | 32 Bit; 32-Bit Single-Core | 32 Bit; 32-Bit Single-Core | |
| RAM | 64 KB | 256 KB | 64 KB | 64 KB | 64 KB | 64 KB | |
| Supply Voltage | 1.65 to 3.6 volts | 1.65 to 3.6 volts | 1.65 to 3.6 volts | 3.6 to 1.65 volts | |||
| Package Type | Other; Tape & Reel (TR) | TQFP; Other; 100-TQFP | QFP | QFP; TQFP; Other; 100-TQFP | QFP; TQFP; Other; 100-TQFP | ||
| Operating Temperature | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) |
