The ATSAM3N4AA-MU is a 32-bit microcontroller from Quarktwin Technology Ltd. based on the ARM Cortex-M3 architecture, operating at a maximum frequency of 48 MHz. It features 256 Kbytes of embedded Flash memory and 24 Kbytes of SRAM, making it suitable for a variety of applications requiring moderate processing power and memory capacity. The device supports multiple communication interfaces, including two USARTs, two UARTs, two I2C-compatible interfaces, and three SPI interfaces, providing flexibility for connectivity. This microcontroller includes a range of integrated peripherals such as a 10-bit ADC with up to 16 channels, a 10-bit DAC, and multiple timers for PWM and general-purpose timing functions. It operates within a voltage range of 1.62V to 3.6V and is available in a compact 48-lead QFN package, which is advantageous for space-constrained designs. The ATSAM3N4AA-MU also incorporates low power modes, achieving down to 3 ¬µA in backup mode, making it suitable for battery-operated devices. With its pin-to-pin compatibility with the SAM3S series, the ATSAM3N4AA-MU offers an effective migration path for applications transitioning from 8/16-bit to 32-bit microcontrollers, particularly in cost-sensitive, high-volume environments. The operating temperature range is industrial-grade, from -40¬8C to 85¬8C, ensuring reliability in demanding conditions.
IC MCU 32BIT 256KB FLASH 48QFN Product overview: ATSAM3N4AA-MU 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-ATSAM3N4AA-MU can be used for catalog matching and distributor lookup.
ARM® Cortex®-M3 SAM3N Microcontroller IC 32-Bit Single-Core 48MHz 256KB (256K x 8) FLASH 48-QFN (7x7)
ARM® Cortex®-M3 SAM3N Microcontroller IC 32-Bit Single-Core 48MHz 256KB (256K x 8) FLASH 48-QFN (7x7)
Manufacturer: Microchip Technology
Win Source Part Number: 809867-ATSAM3N4AA-MU
Packaging: Tray
Mounting Style: SMD
Core Processor: ARM Cortex -M3
Speed: 48MHz
Core Size: 32-Bit
Connectivity: I2C, IrDA, SPI, UART/USART
Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O: 34
Program Memory Size: 256KB (256K x 8)
Program Memory Type: FLASH
RAM Size: 24K x 8
Data Converters: A/D 8x10b
Oscillator Type: Internal
Part Status: Obsolete (End Of Life)
Supplier Device Package: 48-QFN (7x7)
Temperature Range - Operating: -40°C ~ 85°C
Manufacturer Package: 48-VFQFN Exposed Pad
Popularity: Medium
Fake Threat In the Open Market: 65 pct.
Supply and Demand Status: Limited
Manufacturer Pack Quantity: 260
MSL Level: 1 (Unlimited)
Part Number Series: ATSAM3N4
Voltage - Supply (Vcc/Vdd): 1.62V ~ 3.6V
ARM Microcontrollers - MCU IND TEMP MRLA
IC MCU 32BIT 256KB FLASH 48QFN
ARM® Cortex®-M3 SAM3N Microcontroller IC 32-Bit Single-Core 48MHz 256KB (256K x 8) FLASH 48-QFN (7x7)
ARM® Cortex®-M3 SAM3N Microcontroller IC 32-Bit Single-Core 48MHz 256KB (256K x 8) FLASH 48-QFN (7x7)
IC MCU 32BIT 256KB FLASH 48QFN
| ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | Utmel Electronic Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-ATSAM3N4AA-MU | ATSAM3N4AA-MU-ND | 809867-ATSAM3N4AA-MU | 536-ATSAM3N4AA-MU | ATSAM3N4AA-MU | ATSAM3N4AA-MU | ATSAM3N4AA-MU |
| Product Name | 32-bit 32BIT 256KB Embedded Microcontroller MCU | Microcontrollers | Embedded - Embedded - Microcontrollers - ATSAM3N4AA-MU | ARM Microcontrollers - MCU IND TEMP MRLA | Embedded - Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Data Bus | 32 Bit | 32 Bit | 32 Bit | 32 Bit; 32-Bit | 32 Bit; 32-Bit Single-Core | 32 Bit | |
| RAM | 24 KB | 24 KB | 256 KB | 24 KB | 24 KB | 24 KB | |
| Supply Voltage | 1.62 to 3.6 volts | 1.62 to 3.6 volts | 1.62 to 3.6 volts | 3.6 volts | 3.6 volts | ||
| Package Type | Other; Tray | Other; 48-VFQFN Exposed Pad | Other; 48-VFQFN Exposed Pad | Other; 48-VFQFN Exposed Pad | Other; 48-VFQFN Exposed Pad | ||
| 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) |
