ATSAM3U1EA-AU
IC MCU 32BIT 64KB FLASH 144LQFP
Embedded Microcontrollers
144-LQFP
SAM3U
Obsolete
$9.57 / unit (market reference)
MOQ: 32 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | ATSAM3U1EA-AU |
| Package / Case | 144-LQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | ARM® Cortex®-M3 |
| Speed | 96MHz |
| Program Memory Size | 64KB (64K x 8) |
| RAM Size | 20K x 8 |
| Number of I/O | 96 |
| Data Converters | A/D 8x10b, 8x12b |
| Voltage - Supply | 1.62V ~ 3.6V |
| Connectivity | EBI/EMI, I²C, Memory Card, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Supplier Device Package | 144-LQFP (20x20) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
ATSAM3U1EA-AU by Rochester Electronics, LLC is a ARM® Cortex®-M3 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 144-LQFP package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 96MHz |
| RAM Size | 20K x 8 |
| Core Size | 32-Bit |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | EBI/EMI, I²C, Memory Card, SPI, SSC, UART/USART, USB |
| Number of I/O | 96 |
| Core Processor | ARM® Cortex®-M3 |
| Data Converters | A/D 8x10b, 8x12b |
| Oscillator Type | Internal |
| Program Memory Size | 64KB (64K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V |
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